{"id":2269,"date":"2025-12-22T07:00:32","date_gmt":"2025-12-22T07:00:32","guid":{"rendered":"https:\/\/xbrele.com\/?p=2269"},"modified":"2026-05-25T14:46:27","modified_gmt":"2026-05-25T14:46:27","slug":"vacuum-circuit-breaker-ratings","status":"publish","type":"post","link":"https:\/\/xbrele.com\/hi\/vacuum-circuit-breaker-ratings\/","title":{"rendered":"\u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930 \u0930\u0947\u091f\u093f\u0902\u0917\u094d\u0938 \u0915\u0940 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e: kV, kA, BIL, Icw, \u0921\u094d\u092f\u0942\u091f\u0940"},"content":{"rendered":"\ufeff\n<!-- QUICK TAKEAWAY (replace TOC; keep your TOC plugin enabled) -->\n<section id=\"quick-takeaway\" style=\"margin:24px 0; padding:18px 18px; border:1px solid #e5e7eb; border-radius:14px; background:#ffffff;\">\n  <div style=\"display:flex; gap:12px; align-items:flex-start;\">\n    <div aria-hidden=\"true\" style=\"flex:0 0 auto; width:40px; height:40px; border-radius:10px; background:#00B8B8; display:flex; align-items:center; justify-content:center;\">\n      <svg width=\"22\" height=\"22\" viewbox=\"0 0 24 24\" fill=\"none\">\n        <path d=\"M12 2l1.7 5.4H19l-4.3 3.1 1.7 5.4L12 12.8 7.6 15.9 9.3 10.5 5 7.4h5.3L12 2z\" fill=\"#ffffff\"\/>\n      <\/svg>\n    <\/div>\n\n    <div style=\"flex:1 1 auto;\">\n      <p style=\"margin:0 0 6px 0; font-size:14px; font-weight:700; color:#0f172a; letter-spacing:0.2px;\">\n        \u0924\u094d\u0935\u0930\u093f\u0924 \u0938\u093e\u0930\u093e\u0902\u0936 (60 \u0938\u0947\u0915\u0902\u0921)\n      <\/p>\n      <p style=\"margin:0 0 10px 0; color:#334155; font-size:14px; line-height:1.6;\">\n        \u090f\u0915 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 VCB \u091a\u092f\u0928 \u201ckV + A\u201d \u0928\u0939\u0940\u0902 \u0939\u0948\u0964 \u0906\u092a\u0915\u094b \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964 <strong>\u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928<\/strong> (\u0915\u0947\u0935\u0940 \u0935\u0930\u094d\u0917 + BIL\/LIWV),\n        <strong>\u0926\u094b\u0937-\u0915\u093e\u0930\u094d\u092f\u0915\u093e\u0932<\/strong> (\u0905\u0935\u0930\u094b\u0927 kA + Icw + \u092e\u0947\u0915\u093f\u0902\u0917\/\u0915\u094d\u0932\u094b\u091c-\u0932\u0948\u091a), \u0914\u0930 <strong>\u0905\u0938\u094d\u0925\u093e\u092f\u0940<\/strong> (\u091f\u0940\u0906\u0930\u0935\u0940\/\u0906\u0930\u0906\u0930\u0906\u0930\u0935\u0940) \u0915\u0947 \u0916\u093f\u0932\u093e\u092b <strong>\u092c\u094d\u0930\u0947\u0915\u0930 \u0938\u094d\u0925\u093e\u0928 \u092a\u0930 \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0905\u0927\u094d\u092f\u092f\u0928<\/strong> \u0914\u0930 \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e \u0915\u093e IEC\/IEEE \u092e\u093e\u0928\u0915\u0964.\n      <\/p>\n\n      <div style=\"display:flex; flex-wrap:wrap; gap:8px; margin:0 0 10px 0;\">\n        <span style=\"display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border:1px solid #e5e7eb; border-radius:999px; font-size:12px; color:#0f172a; background:#f8fafc;\">\n          <span aria-hidden=\"true\" style=\"width:8px; height:8px; border-radius:999px; background:#00B8B8;\"><\/span>\n          kV \/ Ur: \u0909\u092a\u0915\u0930\u0923 \u0935\u0930\u094d\u0917\n        <\/span>\n        <span style=\"display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border:1px solid #e5e7eb; border-radius:999px; font-size:12px; color:#0f172a; background:#f8fafc;\">\n          <span aria-hidden=\"true\" style=\"width:8px; height:8px; border-radius:999px; background:#00B8B8;\"><\/span>\n          \u090f \/ \u0906\u0908\u0906\u0930: \u090a\u0937\u094d\u092e\u0940\u092f \u0938\u0940\u092e\u093e\n        <\/span>\n        <span style=\"display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border:1px solid #e5e7eb; border-radius:999px; font-size:12px; color:#0f172a; background:#f8fafc;\">\n          <span aria-hidden=\"true\" style=\"width:8px; height:8px; border-radius:999px; background:#00B8B8;\"><\/span>\n          kA \/ Isc: \u092c\u093e\u0927\u093f\u0924 \u0915\u0930\u0928\u093e\n        <\/span>\n        <span style=\"display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border:1px solid #e5e7eb; border-radius:999px; font-size:12px; color:#0f172a; background:#f8fafc;\">\n          <span aria-hidden=\"true\" style=\"width:8px; height:8px; border-radius:999px; background:#00B8B8;\"><\/span>\n          \u0906\u0908\u0938\u0940\u0921\u092c\u094d\u0932\u094d\u092f\u0942: \u0938\u092e\u092f \u0915\u093e \u0938\u093e\u092e\u0928\u093e \u0915\u0930\u0928\u093e\n        <\/span>\n        <span style=\"display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border:1px solid #e5e7eb; border-radius:999px; font-size:12px; color:#0f172a; background:#f8fafc;\">\n          <span aria-hidden=\"true\" style=\"width:8px; height:8px; border-radius:999px; background:#00B8B8;\"><\/span>\n          BIL\/LIWV: \u0909\u091b\u093e\u0932 \u092e\u093e\u0930\u094d\u091c\u093f\u0928\n        <\/span>\n        <span style=\"display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border:1px solid #e5e7eb; border-radius:999px; font-size:12px; color:#0f172a; background:#f8fafc;\">\n          <span aria-hidden=\"true\" style=\"width:8px; height:8px; border-radius:999px; background:#00B8B8;\"><\/span>\n          \u091f\u0940\u0906\u0930\u0935\u0940\/\u0906\u0930\u0906\u0930\u0906\u0930\u0935\u0940: \u092a\u0941\u0928\u0903 \u092a\u094d\u0930\u0939\u093e\u0930 \u091c\u094b\u0916\u093f\u092e\n        <\/span>\n      <\/div>\n\n      <p style=\"margin:0; color:#475569; font-size:12px; line-height:1.6;\">\n        <strong>\u0905\u0928\u0941\u092d\u0935\u093e\u0927\u093e\u0930\u093f\u0924 \u0928\u093f\u092f\u092e:<\/strong> \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0921\u094d\u092f\u0942\u091f\u0940 \u0915\u094b \u090f\u0915 \u092a\u0930\u093f\u0935\u093e\u0930 \u0915\u0940 \u0924\u0930\u0939 \u092e\u093e\u0928\u0947\u0902 \u2014\n        <strong>\u092c\u093e\u0927\u093f\u0924 \u0915\u0930\u0928\u093e (kA)<\/strong> + <strong>\u0905\u0932\u094d\u092a\u0915\u093e\u0932\u093f\u0915 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e (Icw)<\/strong> + <strong>\u092c\u0928\u093e\u0928\u093e\/\u0932\u0949\u0915 \u0915\u0930\u0928\u093e<\/strong>.\u092f\u0926\u093f \u0906\u092a\u0915\u093e \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u0947\u092c\u0932- \u092f\u093e \u0915\u0948\u092a\u0947\u0938\u093f\u091f\u0930-\u092d\u093e\u0930\u0940 \u0939\u0948, \u0924\u094b \u090f\u0915 \u0938\u094d\u092a\u0937\u094d\u091f \u091c\u094b\u0921\u093c\u0947\u0902\u0964 <strong>\u091f\u0940\u0906\u0930\u0935\u0940 \u091c\u093e\u0901\u091a<\/strong>.\n      <\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<p>\u092e\u0927\u094d\u092f\u092e-\u0935\u094b\u0932\u094d\u091f\u0947\u091c \u092a\u094d\u0930\u0923\u093e\u0932\u093f\u092f\u093e\u0901 \u0930\u0947\u091f\u093f\u0902\u0917 \u0915\u0940 \u0917\u0932\u0924\u093f\u092f\u094b\u0902 \u0915\u094b \u092e\u093e\u092b \u0928\u0939\u0940\u0902 \u0915\u0930\u0924\u0940\u0902\u0964 \u092f\u0939 \u092e\u093e\u0930\u094d\u0917\u0926\u0930\u094d\u0936\u093f\u0915\u093e \u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930 (\u0935\u0940\u0938\u0940\u092c\u0940) \u0915\u0940 \u0930\u0947\u091f\u093f\u0902\u0917 \u0915\u094b \u0909\u0938 \u0924\u0930\u0940\u0915\u0947 \u0938\u0947 \u0938\u092e\u091d\u093e\u0924\u0940 \u0939\u0948, \u091c\u093f\u0938 \u0924\u0930\u0939 \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930 \u0935\u093e\u0938\u094d\u0924\u0935 \u092e\u0947\u0902 \u0909\u0928\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902: <strong>\u0928\u0947\u092e\u092a\u094d\u0932\u0947\u091f \u2192 \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0905\u0927\u094d\u092f\u092f\u0928 \u2192 \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917 \u091c\u093e\u0901\u091a<\/strong>.<\/p>\n\n\n\n<p>\u092f\u0926\u093f \u0906\u092a \u092a\u0939\u0932\u0947 \u092e\u0942\u0932 \u092c\u093e\u0924\u0947\u0902 \u091c\u093e\u0928\u0928\u093e \u091a\u093e\u0939\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u092a\u0922\u093c\u0947\u0902:<br><a href=\"https:\/\/xbrele.com\/hi\/what-is-vacuum-circuit-breaker-working-principle\/\">\u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930 (\u0935\u0940\u0938\u0940\u092c\u0940) \u0915\u094d\u092f\u093e \u0939\u0948 \u0914\u0930 \u092f\u0939 \u0915\u0948\u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u093e \u0939\u0948?<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-nameplate-decoder-figure-01.webp\" alt=\"Ur, Ir, Isc, Icw \u0914\u0930 BIL \u0915\u094d\u0937\u0947\u0924\u094d\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0939\u093e\u0907\u0932\u093e\u0907\u091f \u0915\u093f\u090f \u0917\u090f \u0915\u094d\u0937\u0947\u0924\u094d\u0930\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925 \u0906\u0930\u0947\u0916\u0940\u092f \u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930 \u0928\u093e\u092e\u092a\u091f\u094d\u091f\u093f\u0915\u093e \u0932\u0947\u0906\u0909\u091f\" class=\"wp-image-2270\" srcset=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-nameplate-decoder-figure-01.webp 1024w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-nameplate-decoder-figure-01-300x164.webp 300w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-nameplate-decoder-figure-01-768x419.webp 768w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-nameplate-decoder-figure-01-18x10.webp 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u091a\u093f\u0924\u094d\u0930 1. \u0938\u093e\u092e\u093e\u0928\u094d\u092f VCB \u0928\u093e\u092e\u092a\u094d\u0932\u0947\u091f \u0921\u0940\u0915\u094b\u0921\u0930 \u092e\u093e\u0928\u091a\u093f\u0924\u094d\u0930\u2014\u0915\u094d\u0937\u0947\u0924\u094d\u0930 Ur, Ir, Isc, Icw, BIL\/LIWV \u0914\u0930 TRV-\u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u092b\u093c\u0940\u0932\u094d\u0921\u094d\u0938 \u0938\u0947 \u092e\u0947\u0932 \u0916\u093e\u0924\u0947 \u0939\u0948\u0902\u0964.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-vcb-ratings-really-mean-and-why-kv-a-is-not-enough\">VCB \u0930\u0947\u091f\u093f\u0902\u0917\u094d\u0938 \u0915\u093e \u0905\u0938\u0932\u0940 \u092e\u0924\u0932\u092c \u0915\u094d\u092f\u093e \u0939\u0948 (\u0914\u0930 \u201ckV + A\u201d \u0915\u094d\u092f\u094b\u0902 \u092a\u0930\u094d\u092f\u093e\u092a\u094d\u0924 \u0928\u0939\u0940\u0902 \u0939\u0948)<\/h2>\n\n\n\n<p>\u0905\u0927\u093f\u0915\u093e\u0902\u0936 \u090f\u092e\u0935\u0940 \u092c\u094d\u0930\u0947\u0915\u0930 \u0938\u092e\u0938\u094d\u092f\u093e\u090f\u0901 \u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0924\u0915\u0928\u0940\u0915 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u0940\u0902\u0964 \u092f\u0947 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u0924\u0940\u0928 \u0905\u0938\u0902\u0917\u0924\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938\u0940 \u090f\u0915 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0924\u094d\u0930\u0941\u091f\u093f \u0924\u0928\u093e\u0935 \u0905\u0938\u0902\u0917\u0924\u093f:<\/strong> \u0907\u0902\u091f\u0930\u092a\u094d\u091f\u093f\u0902\u0917 (kA) \u0915\u0940 \u091c\u093e\u0901\u091a \u0915\u0940 \u0917\u0908, \u0932\u0947\u0915\u093f\u0928 <strong>\u0905\u0932\u094d\u092a\u0915\u093e\u0932\u093f\u0915 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e (Icw)<\/strong> \u0914\u0930\/\u092f\u093e <strong>\u092c\u0928\u093e\u0928\u093e\/\u0932\u0949\u0915 \u0915\u0930\u0928\u093e<\/strong> \u0905\u0928\u0926\u0947\u0916\u093e \u0915\u093f\u092f\u093e \u0917\u092f\u093e\u0964.<\/li>\n\n\n\n<li><strong>\u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0938\u092e\u0928\u094d\u0935\u092f \u0905\u0938\u0902\u0917\u0924\u093f:<\/strong> \u0915\u0947\u0935\u0940 \u0935\u0930\u094d\u0917 \u092f\u093e <strong>\u092d\u093e\u0908\/\u092c\u0939\u0928 \u0914\u0930 \u091c\u0940\u0935\u0928\u0938\u093e\u0925\u0940<\/strong> \u0938\u0930\u094d\u091c \u090f\u0915\u094d\u0938\u092a\u094b\u091c\u0930 \u0914\u0930 \u090f\u0930\u0947\u0938\u094d\u091f\u0930 \u092e\u093e\u0928\u094d\u092f\u0924\u093e\u0913\u0902 \u0938\u0947 \u092e\u0947\u0932 \u0928\u0939\u0940\u0902 \u0916\u093e\u0924\u093e\u0964.<\/li>\n\n\n\n<li><strong>\u0905\u0938\u094d\u0925\u093e\u092f\u0940 \u0905\u0938\u0902\u0917\u0924\u093f (TRV):<\/strong> \u092c\u094d\u0930\u0947\u0915\u0930 kA \u0930\u0947\u091f\u093f\u0902\u0917 \u0915\u094b \u092a\u0942\u0930\u093e \u0915\u0930\u0924\u093e \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 <strong>\u091f\u0940\u0906\u0930\u0935\u0940\/\u0906\u0930\u0906\u0930\u0906\u0930\u0935\u0940<\/strong> \u0915\u0947\u092c\u0932\/\u0915\u0902\u0921\u0947\u0902\u0938\u0930-\u092d\u093e\u0930\u0940 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u092e\u0947\u0902 \u092f\u0939 \u0905\u0927\u093f\u0915 \u0915\u0920\u094b\u0930 \u0939\u094b\u0924\u093e \u0939\u0948\u0964.<\/li>\n<\/ul>\n\n\n\n<p>\u092f\u0939 \u092a\u0943\u0937\u094d\u0920 \u0909\u0928 \u0924\u094d\u0930\u0941\u091f\u093f\u092f\u094b\u0902 \u0915\u094b \u0930\u094b\u0915\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948\u0964.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"\u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930 \u0930\u0947\u091f\u093f\u0902\u0917\u094d\u0938 (\u0935\u0940\u0938\u0940\u092c\u0940): kV, kA, BIL \u0914\u0930 TRV \u0915\u0940 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e\" width=\"1290\" height=\"726\" src=\"https:\/\/www.youtube.com\/embed\/2u4gtkL4RxM?feature=oembed&#038;enablejsapi=1&#038;origin=https:\/\/xbrele.com\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quick-nameplate-decoder-60-seconds\">\u0924\u094d\u0935\u0930\u093f\u0924 \u0928\u093e\u092e\u092a\u091f\u094d\u091f\u093f\u0915\u093e \u0921\u093f\u0915\u094b\u0921\u0930 (60 \u0938\u0947\u0915\u0902\u0921)<\/h2>\n\n\n\n<p>\u0905\u0927\u093f\u0915\u093e\u0902\u0936 VCB \u0921\u0947\u091f\u093e\u0936\u0940\u091f\/\u0928\u0947\u092e\u092a\u094d\u0932\u0947\u091f\u094d\u0938 \u0915\u093e \u0936\u0940\u0918\u094d\u0930 \u0905\u0928\u0941\u0935\u093e\u0926 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0907\u0938 \u0924\u093e\u0932\u093f\u0915\u093e \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902\u0964.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0928\u093e\u092e\u092a\u091f\u094d\u091f\u0940 \u0935\u0938\u094d\u0924\u0941<\/th><th>\u0935\u094d\u092f\u093e\u0935\u0939\u093e\u0930\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u0907\u0938\u0915\u093e \u0915\u094d\u092f\u093e \u092e\u0924\u0932\u092c \u0939\u0948<\/th><th>\u0938\u093e\u092e\u093e\u0928\u094d\u092f \u092a\u094d\u0930\u0924\u0940\u0915\/\u0932\u0947\u092c\u0932<\/th><\/tr><\/thead><tbody><tr><td>\u0930\u0947\u091f\u0947\u0921 \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0935\u0930\u094d\u0917<\/td><td>\u0909\u092a\u0915\u0930\u0923 \u0935\u0930\u094d\u0917 (\u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928\/\u0915\u094d\u0932\u093f\u092f\u0930\u0947\u0902\u0938)<\/td><td>\u0915\u0947\u0935\u0940, <strong>\u0924\u0942<\/strong>, \u0905\u0927\u093f\u0915\u0924\u092e \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0930\u0947\u091f\u0947\u0921<\/td><\/tr><tr><td>\u0928\u093f\u0930\u0902\u0924\u0930 \u0927\u093e\u0930\u093e \u0930\u0947\u091f\u0947\u0921<\/td><td>\u0924\u093e\u092a\u092e\u093e\u0928 \u0935\u0943\u0926\u094d\u0927\u093f \u0938\u0940\u092e\u093e\u0913\u0902 \u0915\u0947 \u092d\u0940\u0924\u0930 \u0927\u093e\u0930\u093e \u0935\u0939\u0928<\/td><td>\u090f\u0915, <strong>\u0907\u0930<\/strong><\/td><\/tr><tr><td>\u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0935\u093f\u091a\u094d\u091b\u0947\u0926\u0928\/\u0924\u094b\u0921\u093c\u0928\u093e<\/td><td>\u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0921\u094d\u092f\u0942\u091f\u0940 \u0915\u0947 \u0924\u0939\u0924 \u092f\u0939 \u0905\u0927\u093f\u0915\u0924\u092e \u0926\u094b\u0937 \u0927\u093e\u0930\u093e \u091c\u093f\u0938\u0947 \u0935\u093f\u091a\u094d\u091b\u0947\u0926\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/td><td>\u0915\u094c\u0928, <strong>\u0906\u0907\u090f\u0938\u0938\u0940<\/strong><\/td><\/tr><tr><td>\u092c\u093f\u091c\u0932\u0940 \u0906\u0935\u0947\u0917 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e<\/td><td>\u0906\u0935\u0947\u0917 \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0915\u094d\u0937\u092e\u0924\u093e \u092c\u0928\u093e\u092e \u0909\u0924\u093e\u0930-\u091a\u0922\u093c\u093e\u0935<\/td><td><strong>\u092d\u093e\u0908<\/strong>, <strong>\u090f\u0932\u0906\u0908\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u0935\u0940<\/strong> (\u0915\u093f\u0932\u094b\u0935\u094b\u0932\u094d\u091f-\u092a\u094d\u0930\u093e\u092f\u094b\u0917\u093f\u0915)<\/td><\/tr><tr><td>\u091f\u0940\u0906\u0930\u0935\u0940 \u0915\u094d\u0937\u092e\u0924\u093e<\/td><td>\u0905\u0935\u0930\u094b\u0927 \u0915\u0947 \u092c\u093e\u0926 \u0930\u093f\u0915\u0935\u0930\u0940 \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e (\u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u0930\u094d\u0924\u0935\u094d\u092f\u094b\u0902 \u0926\u094d\u0935\u093e\u0930\u093e)<\/td><td>\u091f\u0940\u0906\u0930\u0935\u0940 \/ \u0921\u094d\u092f\u0942\u091f\u0940 \u0915\u094d\u0932\u093e\u0938<\/td><\/tr><tr><td>\u0905\u0932\u094d\u092a\u0915\u093e\u0932\u093f\u0915 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e<\/td><td>\u0938\u092e\u092f \u0915\u0947 \u0932\u093f\u090f \u0926\u094b\u0937 \u0927\u093e\u0930\u093e \u0915\u093e \u0938\u093e\u092e\u0928\u093e (\u091a\u092f\u0928\u093e\u0924\u094d\u092e\u0915 \u0935\u093f\u0932\u0902\u092c)<\/td><td><strong>\u092e\u0948\u0902 \u0915\u094d\u092f\u093e \u0915\u0939\u0942\u0901<\/strong> (1s\/3s)<\/td><\/tr><tr><td>\u092c\u0928\u093e\u0928\u093e \/ \u092c\u0902\u0926 \u0915\u0930\u0928\u093e \u0914\u0930 \u0924\u093e\u0932\u093e \u0932\u0917\u093e\u0928\u093e<\/td><td>\u0924\u094d\u0930\u0941\u091f\u093f \u092a\u0930 \u092e\u091c\u092c\u0942\u0924\u0940 (\u091a\u0930\u092e \u092c\u0932)<\/td><td>\u092c\u0902\u0926 \u0915\u0930\u0928\u093e \/ \u0924\u093e\u0932\u093e \u0932\u0917\u093e\u0928\u093e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"glossary-of-symbols-quick-reference\">\u092a\u094d\u0930\u0924\u0940\u0915\u094b\u0902 \u0915\u0940 \u0936\u092c\u094d\u0926\u093e\u0935\u0932\u0940 (\u0924\u094d\u0935\u0930\u093f\u0924 \u0938\u0902\u0926\u0930\u094d\u092d)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0906\u092a:<\/strong> \u0930\u0947\u091f\u0947\u0921 \u0935\u094b\u0932\u094d\u091f\u0947\u091c (\u0909\u092a\u0915\u0930\u0923 \u0935\u0930\u094d\u0917)<\/li>\n\n\n\n<li><strong>\u0907\u0930\u093f:<\/strong> \u092e\u0942\u0932\u094d\u092f\u0940\u0915\u0943\u0924 \u0928\u093f\u0930\u0902\u0924\u0930 \u0927\u093e\u0930\u093e (\u0924\u093e\u092a\u0940\u092f \u0938\u0940\u092e\u093e)<\/li>\n\n\n\n<li><strong>\u0906\u0908\u090f\u0938\u0938\u0940:<\/strong> \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0935\u094b\u0932\u094d\u091f-\u0935\u093f\u0930\u093e\u092e\u093e\u0924\u094d\u092e\u0915\/\u0935\u093f\u0930\u093e\u092e\u093e\u0924\u094d\u092e\u0915 \u0927\u093e\u0930\u093e (\u0905\u0915\u094d\u0938\u0930 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936\u094b\u0902 \u092e\u0947\u0902 \u0938\u093f\u092e \u0906\u0930\u090f\u092e\u090f\u0938 \u0906\u0927\u093e\u0930 \u092a\u0930)<\/li>\n\n\n\n<li><strong>\u0906\u0908\u0938\u0940\u0921\u092c\u094d\u0932\u094d\u092f\u0942:<\/strong> \u0905\u0932\u094d\u092a\u0915\u093e\u0932\u093f\u0915 \u0938\u0939\u0928 \u0927\u093e\u0930\u093e (\u0938\u092e\u092f: 1s, 3s, \u0906\u0926\u093f)<\/li>\n\n\n\n<li><strong>\u092c\u0940\u0906\u0908\u090f\u0932 \/ \u090f\u0932\u0906\u0908\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u0935\u0940:<\/strong> \u092c\u093f\u091c\u0932\u0940 \u0906\u0935\u0947\u0917 \u0938\u0939\u0928 \u0915\u094d\u0937\u092e\u0924\u093e \u0938\u094d\u0924\u0930 (\u0915\u0947\u0935\u0940\u092a\u0940)<\/li>\n\n\n\n<li><strong>\u091f\u0940\u0906\u0930\u0935\u0940:<\/strong> \u0905\u0938\u094d\u0925\u093e\u092f\u0940 \u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924\u093f \u0935\u094b\u0932\u094d\u091f\u0947\u091c (\u0905\u0935\u0930\u094b\u0927 \u0915\u0947 \u092c\u093e\u0926)<\/li>\n\n\n\n<li><strong>\u0906\u0930\u0906\u0930\u0906\u0930\u0935\u0940:<\/strong> \u0930\u093f\u0915\u0935\u0930\u0940 \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0915\u0940 \u0935\u0943\u0926\u094d\u0927\u093f \u0915\u0940 \u0926\u0930 (\u091f\u0940\u0906\u0930\u0935\u0940 \u0917\u0902\u092d\u0940\u0930\u0924\u093e \u0915\u093e \u0939\u093f\u0938\u094d\u0938\u093e)<\/li>\n\n\n\n<li><strong>\u090f\u0915\u094d\u0938\/\u0906\u0930:<\/strong> \u092a\u094d\u0930\u0924\u093f\u0915\u0943\u0924\u093f-\u0938\u0947-\u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927 \u0905\u0928\u0941\u092a\u093e\u0924 (\u0921\u0940\u0938\u0940 \u0911\u092b\u0938\u0947\u091f \u0914\u0930 \u091a\u0930\u092e \u092c\u0932\u094b\u0902 \u0915\u094b \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"iec-vs-ieee-terminology-crosswalk\">IEC \u092c\u0928\u093e\u092e IEEE \u0936\u092c\u094d\u0926\u093e\u0935\u0932\u0940 \u0915\u094d\u0930\u0949\u0938\u0935\u0949\u0915<\/h2>\n\n\n\n<p>\u090f\u0915 \u0939\u0940 \u0915\u094d\u0937\u092e\u0924\u093e, \u0905\u0932\u0917-\u0905\u0932\u0917 \u0932\u0947\u092c\u0932\u0964  \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e \u092e\u093e\u0928\u0915 \u0915\u094b \u0905\u092a\u0928\u0940 \u0938\u091a\u094d\u091a\u093e\u0908 \u0915\u093e \u0938\u094d\u0930\u094b\u0924 \u092e\u093e\u0928\u0947\u0902\u0964.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0905\u0935\u0927\u093e\u0930\u0923\u093e<\/th><th>\u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0906\u0908\u0908\u0938\u0940 \u0936\u092c\u094d\u0926\u093e\u0935\u0932\u0940<\/th><th>\u0906\u092e IEEE \u0936\u092c\u094d\u0926\u093e\u0935\u0932\u0940<\/th><th>\u0935\u094d\u092f\u093e\u0935\u0939\u093e\u0930\u093f\u0915 \u091f\u093f\u092a\u094d\u092a\u0923\u0940<\/th><\/tr><\/thead><tbody><tr><td>\u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0935\u0930\u094d\u0917<\/td><td><strong>\u0924\u0942<\/strong><\/td><td>\u0905\u0927\u093f\u0915\u0924\u092e \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0930\u0947\u091f\u0947\u0921<\/td><td>\u0926\u094b\u0928\u094b\u0902 \u0909\u092a\u0915\u0930\u0923 \u0935\u0930\u094d\u0917\/\u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0906\u0927\u093e\u0930 \u0915\u094b \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/td><\/tr><tr><td>\u0938\u0924\u0924 \u0927\u093e\u0930\u093e<\/td><td><strong>\u0907\u0930<\/strong><\/td><td>\u0938\u0924\u0924 \u0927\u093e\u0930\u093e \u0930\u0947\u091f\u093f\u0902\u0917<\/td><td>\u0924\u093e\u092a\u092e\u093e\u0928 \u0935\u0943\u0926\u094d\u0927\u093f \/ \u0924\u093e\u092a\u0940\u092f \u0921\u093f\u091c\u093e\u0907\u0928<\/td><\/tr><tr><td>\u0905\u0902\u0924\u0930\u093e\u0932 \u0921\u093e\u0932\u0928\u0947 \u0915\u0940 \u0915\u094d\u0937\u092e\u0924\u093e<\/td><td>\u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0935\u093f\u0930\u093e\u092e \u0927\u093e\u0930\u093e<\/td><td>\u092c\u093e\u0927\u093f\u0924 \u0930\u0947\u091f\u093f\u0902\u0917<\/td><td>\u0905\u092a\u0928\u0947 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936\u094b\u0902 \u092e\u0947\u0902 \u0907\u0938\u0940 \u0906\u0927\u093e\u0930 \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902\u0964<\/td><\/tr><tr><td>\u0905\u0932\u094d\u092a\u0915\u093e\u0932\u093f\u0915 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e<\/td><td><strong>\u092e\u0948\u0902 \u0915\u094d\u092f\u093e \u0915\u0939\u0942\u0901<\/strong><\/td><td>\u0905\u0932\u094d\u092a\u0915\u093e\u0932\u093f\u0915 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e<\/td><td>\u091a\u092f\u0928\u093e\u0924\u094d\u092e\u0915\u0924\u093e \u092e\u0947\u0902 \u0926\u0947\u0930\u0940 \u0915\u0947 \u0932\u093f\u090f \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923<\/td><\/tr><tr><td>\u0924\u094d\u0930\u0941\u091f\u093f \u092a\u0930 \u092c\u0902\u0926 \u0939\u094b\u0928\u0947 \u092e\u0947\u0902 \u092e\u091c\u092c\u0942\u0924\u0940<\/td><td>\u092c\u0928\u093e\u0928\u093e \/ \u091a\u0930\u092e \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e (\u0935\u093f\u0915\u094d\u0930\u0947\u0924\u093e \u0915\u0940 \u0936\u092c\u094d\u0926\u093e\u0935\u0932\u0940 \u092d\u093f\u0928\u094d\u0928 \u0939\u094b\u0924\u0940 \u0939\u0948)<\/td><td>\u092c\u0902\u0926 \u0914\u0930 \u0932\u0949\u0915 \u0915\u0930\u0947\u0902 \/ \u092c\u0928\u093e\u0928\u093e<\/td><td>\u0935\u093f\u0915\u094d\u0930\u0947\u0924\u093e \u0921\u0947\u091f\u093e\u0936\u0940\u091f \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0902<\/td><\/tr><tr><td>\u0906\u0935\u0947\u0917 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927<\/td><td>\u090f\u0932\u0906\u0908\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u0935\u0940 \/ \u092c\u0940\u0906\u0908\u090f\u0932<\/td><td>\u092d\u093e\u0908<\/td><td>\u0926\u094b\u0928\u094b\u0902 \u0926\u0941\u0928\u093f\u092f\u093e\u0913\u0902 \u092e\u0947\u0902 \u0905\u0915\u094d\u0938\u0930 BIL \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0932\u093f\u0916\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/td><\/tr><tr><td>\u091f\u0940\u0906\u0930\u0935\u0940 \u0915\u094d\u0937\u092e\u0924\u093e<\/td><td>\u092a\u094d\u0930\u0924\u093f \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u091f\u0940\u0906\u0930\u0935\u0940 \u0915\u0930\u094d\u0924\u0935\u094d\u092f<\/td><td>\u092a\u094d\u0930\u0924\u093f \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u091f\u0940\u0906\u0930\u0935\u0940 \u0915\u0930\u094d\u0924\u0935\u094d\u092f<\/td><td>\u0906\u0935\u0947\u0926\u0928 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930 \u092e\u093e\u092f\u0928\u0947 \u0930\u0916\u0924\u093e \u0939\u0948 (\u0915\u0947\u092c\u0932\/\u0915\u0948\u092a)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-7-key-insights-the-ratings-that-decide-success\">7 \u092a\u094d\u0930\u092e\u0941\u0916 \u0905\u0902\u0924\u0930\u094d\u0926\u0943\u0937\u094d\u091f\u093f\u092f\u093e\u0901 (\u0935\u0947 \u0930\u0947\u091f\u093f\u0902\u0917\u094d\u0938 \u091c\u094b \u0938\u092b\u0932\u0924\u093e \u0924\u092f \u0915\u0930\u0924\u0940 \u0939\u0948\u0902)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-kv-rating-equipment-class-insulation-design-not-the-feeder-nickname\">1) kV \u0930\u0947\u091f\u093f\u0902\u0917 = \u0909\u092a\u0915\u0930\u0923 \u0935\u0930\u094d\u0917 + \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0921\u093f\u091c\u093c\u093e\u0907\u0928 (\u092b\u0940\u0921\u0930 \u0915\u093e \u0909\u092a\u0928\u093e\u092e \u0928\u0939\u0940\u0902)<\/h3>\n\n\n\n<p><strong>\u092f\u0939 \u0915\u094d\u092f\u093e \u0939\u0948:<\/strong> \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0935\u0930\u094d\u0917 \u091c\u094b \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0915\u094d\u0932\u093f\u092f\u0930\u0947\u0902\u0938 \u0914\u0930 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e \u092a\u0930\u0940\u0915\u094d\u0937\u0923\u094b\u0902 \u0915\u094b \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964.<br><strong>\u0915\u094d\u092f\u093e \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0902:<\/strong> \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936\u094b\u0902 \u092e\u0947\u0902 \u0928\u093e\u092e\u092e\u093e\u0924\u094d\u0930 \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u092c\u0928\u093e\u092e \u201c\u0938\u0930\u094d\u0935\u094b\u091a\u094d\u091a \u0938\u093f\u0938\u094d\u091f\u092e \u0935\u094b\u0932\u094d\u091f\u0947\u091c\u201d \u0915\u0947 \u0905\u0928\u0941\u092e\u093e\u0928, \u0914\u0930 \u0932\u093e\u0907\u0928\u0905\u092a \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u090f\u0901\u0964.<br><strong>\u092f\u0926\u093f \u0915\u092e \u0906\u0902\u0915\u093e \u0917\u092f\u093e:<\/strong> \u0906\u0902\u0936\u093f\u0915 \u0928\u093f\u0930\u094d\u0935\u0939\u0928, \u092b\u094d\u0932\u0948\u0936\u0913\u0935\u0930, \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0935\u093f\u092b\u0932\u0924\u093e \u0915\u093e \u091c\u094b\u0916\u093f\u092e\u0964.<\/p>\n\n\n\n<p>\u0938\u0902\u0926\u0930\u094d\u092d \u092a\u0943\u0937\u094d\u0920 (\u0935\u0948\u0915\u0932\u094d\u092a\u093f\u0915):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/xbrele.com\/hi\/vacuum-circuit-breaker\/\">\u092e\u0927\u094d\u092f\u092e-\u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/xbrele.com\/hi\/vacuum-circuit-breaker-manufacturers\/\">\u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930 \u0928\u093f\u0930\u094d\u092e\u093e\u0924\u093e \u0914\u0930 \u0913\u0908\u090f\u092e \u0938\u092e\u093e\u0927\u093e\u0928<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-a-rating-ir-is-thermal-engineering-not-load-equals-rating\">2) \u090f\u0915 \u0930\u0947\u091f\u093f\u0902\u0917 (Ir) \u0925\u0930\u094d\u092e\u0932 \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u093f\u0902\u0917 \u0939\u0948, \u0928 \u0915\u093f \u201c\u0932\u094b\u0921 \u092c\u0930\u093e\u092c\u0930 \u0930\u0947\u091f\u093f\u0902\u0917\u201d\u0964\u201d<\/h3>\n\n\n\n<p><strong>\u092f\u0939 \u0915\u094d\u092f\u093e \u0939\u0948:<\/strong> \u0905\u0928\u0941\u092e\u0924 \u0924\u093e\u092a\u092e\u093e\u0928 \u0935\u0943\u0926\u094d\u0927\u093f \u0915\u0947 \u092d\u0940\u0924\u0930 \u0905\u0927\u093f\u0915\u0924\u092e \u0928\u093f\u0930\u0902\u0924\u0930 \u0927\u093e\u0930\u093e\u0964.<br><strong>\u0905\u0928\u0941\u092d\u0935\u0940 \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930 Ir \u0938\u0947 \u092a\u0930\u0947 \u0915\u094d\u092f\u093e \u091c\u093e\u0902\u091a\u0924\u0947 \u0939\u0948\u0902:<\/strong> \u092a\u0930\u093f\u0935\u0947\u0936\u0940\u092f \u0924\u093e\u092a\u092e\u093e\u0928, \u0915\u094d\u092f\u0942\u092c\u093f\u0915\u0932 \u0935\u0947\u0902\u091f\u093f\u0932\u0947\u0936\u0928, \u0928\u093f\u0930\u0902\u0924\u0930 \u0921\u094d\u092f\u0942\u091f\u0940 \u091a\u0915\u094d\u0930, \u0939\u093e\u0930\u094d\u092e\u094b\u0928\u093f\u0915-\u092f\u0941\u0915\u094d\u0924 \u092d\u093e\u0930\u0940 \u0932\u094b\u0921, \u0939\u0949\u091f\u0938\u094d\u092a\u0949\u091f \u0915\u0928\u0947\u0915\u094d\u0936\u0928\u0964.<br><strong>\u092f\u0926\u093f \u0915\u092e \u0906\u0902\u0915\u093e \u0917\u092f\u093e:<\/strong> \u0926\u0940\u0930\u094d\u0918\u0915\u093e\u0932\u093f\u0915 \u0924\u093e\u092a \u2192 \u0909\u091a\u094d\u091a \u0938\u0902\u092a\u0930\u094d\u0915 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927 \u2192 \u0924\u0940\u0935\u094d\u0930 \u0918\u093f\u0938\u093e\u0935\u0964.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-ka-interrupting-rating-is-only-one-part-of-short-circuit-capability\">3) kA \u0907\u0902\u091f\u0930\u092a\u094d\u091f\u093f\u0902\u0917 \u0930\u0947\u091f\u093f\u0902\u0917 \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0915\u094d\u0937\u092e\u0924\u093e \u0915\u093e \u0915\u0947\u0935\u0932 \u090f\u0915 \u0939\u093f\u0938\u094d\u0938\u093e \u0939\u0948\u0964<\/h3>\n\n\n\n<p><strong>\u092f\u0939 \u0915\u094d\u092f\u093e \u0939\u0948:<\/strong> \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0926\u093e\u092f\u093f\u0924\u094d\u0935\u094b\u0902 \u0915\u0947 \u0924\u0939\u0924 \u092c\u094d\u0930\u0947\u0915\u0930 \u0926\u094d\u0935\u093e\u0930\u093e \u0935\u093f\u0930\u093e\u092e\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0928\u0947 \u0935\u093e\u0932\u093e \u0905\u0927\u093f\u0915\u0924\u092e \u0926\u094b\u0937 \u0927\u093e\u0930\u093e\u0964.<br><strong>\u091a\u092f\u0928 \u0928\u093f\u092f\u092e:<\/strong> \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902 <strong>\u092c\u094d\u0930\u0947\u0915\u0930 \u0938\u094d\u0925\u093e\u0928 \u092a\u0930 \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0905\u0927\u094d\u092f\u092f\u0928 \u0915\u0947 \u092a\u0930\u093f\u0923\u093e\u092e<\/strong>, \u0915\u0947\u0935\u0932 \u092c\u0938 \u0926\u094b\u0937 \u092e\u093e\u0928 \u0939\u0940 \u0928\u0939\u0940\u0902\u0964.<br><strong>\u092f\u0926\u093f \u0915\u092e \u0906\u0902\u0915\u093e \u0917\u092f\u093e:<\/strong> \u0905\u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0941\u0915\u093e\u0935\u091f, \u0909\u092a\u0915\u0930\u0923 \u0915\u094b \u0917\u0902\u092d\u0940\u0930 \u0915\u094d\u0937\u0924\u093f \u0915\u093e \u091c\u094b\u0916\u093f\u092e\u0964.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-icw-decides-whether-selectivity-is-feasible\">4) \u0906\u0908\u0938\u0940\u0921\u092c\u094d\u0932\u094d\u092f\u0942 \u092f\u0939 \u0924\u092f \u0915\u0930\u0924\u093e \u0939\u0948 \u0915\u093f \u091a\u092f\u0928\u0936\u0940\u0932\u0924\u093e \u0935\u094d\u092f\u0935\u0939\u093e\u0930\u094d\u092f \u0939\u0948 \u092f\u093e \u0928\u0939\u0940\u0902\u0964<\/h3>\n\n\n\n<p><strong>\u092f\u0939 \u0915\u094d\u092f\u093e \u0939\u0948:<\/strong> \u0926\u094b\u0937 \u0927\u093e\u0930\u093e \u091c\u093f\u0938\u0947 \u0909\u092a\u0915\u0930\u0923 \u090f\u0915 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0938\u092e\u092f (\u0905\u0915\u094d\u0938\u0930 1 \u0938\u0947\u0915\u0902\u0921 \u092f\u093e 3 \u0938\u0947\u0915\u0902\u0921) \u0924\u0915 \u0938\u0939\u0928 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964.<br><strong>\u092f\u0939 \u0915\u094d\u092f\u094b\u0902 \u092e\u093e\u092f\u0928\u0947 \u0930\u0916\u0924\u093e \u0939\u0948:<\/strong> \u0938\u092e\u0928\u094d\u0935\u092f \u0935\u093f\u0932\u0902\u092c \u0915\u093e \u092e\u0924\u0932\u092c \u0939\u0948 \u0915\u093f \u0905\u092a\u0938\u094d\u091f\u094d\u0930\u0940\u092e \u0909\u092a\u0915\u0930\u0923 \u0915\u094b \u0926\u094b\u0937 \u0924\u0928\u093e\u0935 \u091d\u0947\u0932\u0928\u0947 \u0915\u0947 \u092c\u093e\u0926 \u0939\u0940 \u0926\u094b\u0937 \u092e\u0941\u0915\u094d\u0924 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964.<br><strong>\u092f\u0926\u093f \u0915\u092e \u0906\u0902\u0915\u093e \u0917\u092f\u093e:<\/strong> \u0928\u0941\u0915\u0938\u093e\u0928 \u092f\u093e\u0924\u094d\u0930\u093e \u0938\u0947 \u092a\u0939\u0932\u0947 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948, \u092f\u093e \u091a\u092f\u0928\u093e\u0924\u094d\u092e\u0915\u0924\u093e \u0905\u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948\u0964.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-making-close-latch-is-the-hidden-limiter\">5) \u092c\u0928\u093e\u0928\u093e \/ \u092c\u0902\u0926 \u0915\u0930\u0928\u093e \u0914\u0930 \u0924\u093e\u0932\u093e \u0932\u0917\u093e\u0928\u093e \u201c\u091b\u093f\u092a\u093e \u0939\u0941\u0906 \u0938\u0940\u092e\u0915\u201d \u0939\u0948\u0964\u201d<\/h3>\n\n\n\n<p><strong>\u092f\u0939 \u0915\u094d\u092f\u093e \u0939\u0948:<\/strong> \u0924\u094d\u0930\u0941\u091f\u093f-\u0928\u091c\u0926\u0940\u0915 \u091a\u0930\u092e \u092c\u0932\u094b\u0902 (\u0905\u0915\u094d\u0938\u0930 \u0938\u092c\u0938\u0947 \u0917\u0902\u092d\u0940\u0930 \u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915 \u0924\u0928\u093e\u0935 \u0938\u094d\u0925\u093f\u0924\u093f) \u0938\u0947 \u092c\u091a\u0928\u0947 \u0915\u0940 \u0915\u094d\u0937\u092e\u0924\u093e\u0964.<br><strong>\u092f\u0939 \u0915\u094d\u092f\u094b\u0902 \u092e\u093e\u092f\u0928\u0947 \u0930\u0916\u0924\u093e \u0939\u0948:<\/strong> \u0909\u091a\u094d\u091a X\/R \u0928\u0947\u091f\u0935\u0930\u094d\u0915\u094b\u0902 \u092e\u0947\u0902, \u091a\u0930\u092e \u0935\u093f\u0926\u094d\u092f\u0941\u0924\u0917\u0924\u093f\u0915\u0940\u092f \u092c\u0932 \u0938\u0940\u092e\u093e\u0902\u0924 \u0938\u094d\u0925\u093f\u0924\u093f \u0939\u094b \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964.<br><strong>\u092f\u0926\u093f \u0915\u092e \u0906\u0902\u0915\u093e \u0917\u092f\u093e:<\/strong> \u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915\/\u0938\u0902\u092a\u0930\u094d\u0915 \u0915\u094d\u0937\u0924\u093f, \u0909\u091b\u093e\u0932, \u0915\u092e \u0906\u092f\u0941\u0964.<\/p>\n\n\n\n<p><strong>\u0935\u094d\u092f\u093e\u0935\u0939\u093e\u0930\u093f\u0915 \u0930\u0942\u092a\u0930\u0947\u0916\u093e \u091c\u094b \u0917\u0932\u0924\u093f\u092f\u094b\u0902 \u0915\u094b \u0930\u094b\u0915\u0924\u0940 \u0939\u0948:<\/strong><br>\u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u092a\u0930\u093f\u0935\u093e\u0930 = <strong>\u0905\u0935\u0930\u094b\u0927 (kA) + \u0905\u0932\u094d\u092a\u0915\u093e\u0932\u093f\u0915 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e (Icw) + \u092c\u0928\u093e\u0928\u093e\/\u0915\u094d\u0932\u094b\u091c-\u0932\u0948\u091a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-short-circuit-family-figure-02.webp\" alt=\"\u091f\u0940\u0906\u0930\u0906\u0908\u090f\u0921\u0940 \u0906\u0930\u0947\u0916 \u091c\u094b VCB \u0915\u0947 \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0930\u0947\u091f\u093f\u0902\u0917 \u092a\u0930\u093f\u0935\u093e\u0930 \u0915\u094b \u0926\u0930\u094d\u0936\u093e\u0924\u093e \u0939\u0948: \u0907\u0902\u091f\u0930\u092a\u094d\u091f\u093f\u0902\u0917 kA, \u0936\u0949\u0930\u094d\u091f-\u091f\u093e\u0907\u092e \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e Icw \u0914\u0930 \u0915\u094d\u0932\u094b\u091c\u093c-\u090f\u0902\u0921-\u0932\u0948\u091a\u0964\" class=\"wp-image-2271\" srcset=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-short-circuit-family-figure-02.webp 1024w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-short-circuit-family-figure-02-300x164.webp 300w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-short-circuit-family-figure-02-768x419.webp 768w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-short-circuit-family-figure-02-18x10.webp 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u091a\u093f\u0924\u094d\u0930 2. \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0930\u0947\u091f\u093f\u0902\u0917 \u092a\u0930\u093f\u0935\u093e\u0930\u2014\u0905\u0935\u0930\u094b\u0927\u0915 (kA), \u0905\u0932\u094d\u092a\u0915\u093e\u0932\u093f\u0915 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e (Icw), \u0914\u0930 \u092c\u0928\u093e\u0928\u0947\/\u0915\u094d\u0932\u094b\u091c-\u0932\u0948\u091a \u092e\u091c\u092c\u0942\u0924\u0940 \u090f\u0915 \u0938\u093e\u0925 \u0915\u093e\u092e \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964.<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"6-bil-liwv-is-insulation-coordination-in-one-number\">6) BIL \/ LIWV \u090f\u0915 \u0939\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u092e\u0947\u0902 \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0938\u092e\u0928\u094d\u0935\u092f \u0939\u0948<\/h3>\n\n\n\n<p><strong>\u092f\u0939 \u0915\u094d\u092f\u093e \u0939\u0948:<\/strong> kVp \u092e\u0947\u0902 \u0932\u093e\u0907\u091f\u0928\u093f\u0902\u0917 \u0907\u092e\u094d\u092a\u0932\u094d\u0938 \u0938\u0939\u0928 \u0915\u094d\u0937\u092e\u0924\u093e (\u0907\u092e\u094d\u092a\u0932\u094d\u0938 \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u092e\u093e\u0930\u094d\u091c\u093f\u0928).<br><strong>\u0915\u094d\u092f\u093e \u091c\u093e\u0901\u091a\u0928\u093e \u0939\u0948:<\/strong> \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e BIL \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e, \u090f\u0930\u0947\u0938\u094d\u091f\u0930 \u0915\u0940 \u092e\u093e\u0928\u094d\u092f\u0924\u093e\u090f\u0901 \u0914\u0930 \u0938\u094d\u0925\u093e\u0928, \u0913\u0935\u0930\u0939\u0947\u0921 \u090f\u0915\u094d\u0938\u092a\u094b\u091c\u0930 \u092c\u0928\u093e\u092e \u0915\u0947\u092c\u0932-\u092b\u0947\u0921 \u0928\u0947\u091f\u0935\u0930\u094d\u0915, \u0932\u093e\u0907\u0928\u0905\u092a \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0938\u092e\u0928\u094d\u0935\u092f (\u092c\u0938, \u091f\u0930\u094d\u092e\u093f\u0928\u0947\u0936\u0928, CT\/PT)\u0964.<br><strong>\u092f\u0926\u093f \u0915\u092e \u0906\u0902\u0915\u093e \u0917\u092f\u093e:<\/strong> \u0905\u091a\u093e\u0928\u0915 \u092a\u0902\u091a\u0930 \u092f\u093e \u091b\u093f\u092a\u0940 \u0939\u0941\u0908 \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0915\u094d\u0937\u0924\u093f\u0964.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"7-trv-explains-restrike-events-that-shouldn-t-happen\">7) TRV \u0909\u0928 \u0930\u0940\u0938\u094d\u091f\u094d\u0930\u093e\u0907\u0915 \u0918\u091f\u0928\u093e\u0913\u0902 \u0915\u094b \u0938\u092e\u091d\u093e\u0924\u093e \u0939\u0948 \u091c\u094b \u201c\u0939\u094b\u0928\u0940 \u0928\u0939\u0940\u0902 \u091a\u093e\u0939\u093f\u090f\u201d<\/h3>\n\n\n\n<p><strong>\u092f\u0939 \u0915\u094d\u092f\u093e \u0939\u0948:<\/strong> \u0905\u0935\u0930\u094b\u0927 \u0915\u0947 \u0924\u0941\u0930\u0902\u0924 \u092c\u093e\u0926 \u0938\u0902\u092a\u0930\u094d\u0915\u094b\u0902 \u092a\u0930 \u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924\u093f \u0935\u094b\u0932\u094d\u091f\u0947\u091c; \u0917\u0902\u092d\u0940\u0930\u0924\u093e \u092a\u0930\u093f\u092e\u093e\u0923 \u0914\u0930 \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964 <strong>\u0906\u0930\u0906\u0930\u0906\u0930\u0935\u0940<\/strong>.<br><strong>\u092f\u0939 \u0915\u094d\u092f\u094b\u0902 \u092e\u093e\u092f\u0928\u0947 \u0930\u0916\u0924\u093e \u0939\u0948:<\/strong> \u0915\u0947\u092c\u0932-\u092d\u093e\u0930\u0940 \u092b\u0940\u0921\u0930\u094d\u0938 \u0914\u0930 \u0915\u0948\u092a\u0947\u0938\u093f\u091f\u0930 \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u0905\u0927\u093f\u0915 \u0915\u0920\u094b\u0930 \u0930\u093f\u0915\u0935\u0930\u0940 \u0924\u0928\u093e\u0935 \u0938\u094d\u0925\u093f\u0924\u093f\u092f\u093e\u0901 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964.<\/p>\n\n\n\n<p><strong>\u091f\u0940\u0906\u0930\u0935\u0940 \u091c\u094b\u0916\u093f\u092e \u0938\u094d\u0915\u094d\u0930\u0940\u0928\u0930 (\u0924\u094d\u0935\u0930\u093f\u0924):<\/strong> \u092f\u0926\u093f \u201c\u0939\u093e\u0901\u201d \u0915\u094b <strong>2+<\/strong>, TRV \u090f\u0915 \u0938\u094d\u092a\u0937\u094d\u091f \u091c\u093e\u0901\u091a \u0906\u0907\u091f\u092e \u0939\u094b\u0928\u093e \u091a\u093e\u0939\u093f\u090f:<br>1) \u0932\u0902\u092c\u0940 \u090f\u092e\u0935\u0940 \u0915\u0947\u092c\u0932 \u0932\u093e\u0907\u0928\u0947\u0902<br>2) \u0915\u0948\u092a\u0947\u0938\u093f\u091f\u0930 \u092c\u0948\u0902\u0915 \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 (\u0935\u093f\u0936\u0947\u0937\u0915\u0930 \u092c\u093e\u0930-\u092c\u093e\u0930\/\u090f\u0915 \u0915\u0947 \u092c\u093e\u0926 \u090f\u0915)<br>3) \u092c\u093e\u0930-\u092c\u093e\u0930 \u091f\u094d\u0930\u093e\u0902\u0938\u092b\u0949\u0930\u094d\u092e\u0930 \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917\/\u090f\u0928\u0930\u094d\u091c\u0940\u0915\u0930\u0923<br>4) \u092e\u093f\u0936\u094d\u0930\u093f\u0924 \u0913\u0935\u0930\u0939\u0947\u0921 + \u0932\u0902\u092c\u0940 \u0915\u0947\u092c\u0932 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \/ \u0905\u0928\u0941\u0928\u093e\u0926 \u0938\u0902\u092c\u0902\u0927\u0940 \u091a\u093f\u0902\u0924\u093e\u090f\u0901<br>5) \u092a\u0941\u0928\u0903 \u0938\u094d\u091f\u094d\u0930\u093e\u0907\u0915 \u0907\u0924\u093f\u0939\u093e\u0938 \u092f\u093e \u0905\u091c\u094d\u091e\u093e\u0924 \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0924\u0928\u093e\u0935<\/p>\n\n\n\n<p>\u0906\u0930\u094d\u0915 \u092d\u094c\u0924\u093f\u0915\u0940 \u0938\u0902\u0926\u0930\u094d\u092d \u0915\u0947 \u0932\u093f\u090f \u0926\u0947\u0916\u0947\u0902:<br><a href=\"https:\/\/xbrele.com\/hi\/what-is-a-vacuum-interrupter\/\">\u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0907\u0902\u091f\u0930\u092a\u094d\u091f\u0930 (VI) \u0915\u094d\u092f\u093e \u0939\u0948 \u0914\u0930 \u092f\u0939 \u0915\u0948\u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u093e \u0939\u0948?<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-trv-envelope-figure-03.webp\" alt=\"\u0905\u0935\u0930\u094b\u0927 \u0915\u0947 \u092c\u093e\u0926 \u0915\u094d\u0937\u0923\u093f\u0915 \u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924\u093f \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0905\u0935\u0927\u093e\u0930\u0923\u093e \u0935\u0915\u094d\u0930, \u091c\u093f\u0938\u092e\u0947\u0902 \u0924\u0940\u0935\u094d\u0930 \u0935\u0943\u0926\u094d\u0927\u093f \u0936\u093f\u0916\u0930 \u0914\u0930 \u0915\u094d\u0937\u0940\u0923\u0928 \u0926\u093f\u0916\u093e\u092f\u093e \u0917\u092f\u093e \u0939\u0948\u0964\" class=\"wp-image-2272\" srcset=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-trv-envelope-figure-03.webp 1024w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-trv-envelope-figure-03-300x168.webp 300w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-trv-envelope-figure-03-768x429.webp 768w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-trv-envelope-figure-03-18x10.webp 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u091a\u093f\u0924\u094d\u0930 3. TRV \u0905\u0935\u0927\u093e\u0930\u0923\u093e \u0935\u0915\u094d\u0930\u2014\u0924\u0940\u0935\u094d\u0930 \u0935\u0943\u0926\u094d\u0927\u093f (RRRV) \u0914\u0930 \u091a\u0930\u092e \u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924\u093f \u0924\u0928\u093e\u0935 \u0915\u0941\u091b \u0928\u0947\u091f\u0935\u0930\u094d\u0915\u094b\u0902 \u092e\u0947\u0902 \u092a\u0941\u0928\u0903 \u092a\u094d\u0930\u0939\u093e\u0930 \u091c\u094b\u0916\u093f\u092e \u0915\u094b \u0938\u092e\u091d\u093e\u0928\u0947 \u092e\u0947\u0902 \u092e\u0926\u0926 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964.<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quick-comparison-table-what-each-rating-prevents\">\u0924\u094d\u0935\u0930\u093f\u0924 \u0924\u0941\u0932\u0928\u093e \u0924\u093e\u0932\u093f\u0915\u093e (\u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0930\u0947\u091f\u093f\u0902\u0917 \u0915\u094d\u092f\u093e \u0930\u094b\u0915\u0924\u0940 \u0939\u0948)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0930\u0947\u091f\u093f\u0902\u0917<\/th><th>\u0930\u094b\u0915\u0924\u093e \u0939\u0948<\/th><th>\u0906\u092e \u0917\u0932\u0924 \u091a\u092f\u0928 \u0915\u093e \u092a\u0930\u093f\u0923\u093e\u092e<\/th><\/tr><\/thead><tbody><tr><td>\u0915\u0947\u0935\u0940 \/ \u092f\u0942\u0906\u0930<\/td><td>\u092a\u0930\u093f\u091a\u093e\u0932\u0928 \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u092a\u0930 \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0924\u0928\u093e\u0935<\/td><td>\u092a\u0940\u0921\u0940, \u092b\u094d\u0932\u0948\u0936\u0913\u0935\u0930<\/td><\/tr><tr><td>\u090f\u0915 \/ \u0907\u0930<\/td><td>\u0938\u0947\u0935\u093e \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u0917\u0930\u094d\u092e \u0939\u094b\u0928\u093e<\/td><td>\u0939\u0949\u091f\u0938\u094d\u092a\u0949\u091f\u094d\u0938, \u0924\u0940\u0935\u094d\u0930 \u0918\u093f\u0938\u093e\u0935\u091f<\/td><\/tr><tr><td>\u0915\u0947\u090f \/ \u0906\u0907\u0938\u093f<\/td><td>\u0924\u094d\u0930\u0941\u091f\u093f\u092f\u094b\u0902 \u0915\u094b \u092c\u093e\u0927\u093f\u0924 \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0905\u0938\u092e\u0930\u094d\u0925\u0924\u093e<\/td><td>\u0917\u0902\u092d\u0940\u0930 \u0915\u094d\u0937\u0924\u093f\/\u0906\u0909\u091f\u0947\u091c<\/td><\/tr><tr><td>\u092e\u0948\u0902 \u0915\u094d\u092f\u093e \u0915\u0939\u0942\u0901<\/td><td>\u0935\u093f\u0932\u0902\u092c\u093f\u0924 \u0938\u092b\u093e\u0908 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0915\u094d\u0937\u0924\u093f<\/td><td>\u092f\u093e\u0924\u094d\u0930\u093e \u0938\u0947 \u092a\u0939\u0932\u0947 \u0915\u094d\u0937\u0924\u093f \/ \u091a\u092f\u0928\u0936\u0940\u0932\u0924\u093e \u0915\u0940 \u0939\u093e\u0928\u093f<\/td><\/tr><tr><td>\u092c\u0928\u093e\u0928\u093e \/ \u0915\u094d\u0932\u094b\u091c-\u0932\u0948\u091a<\/td><td>\u0924\u094d\u0930\u0941\u091f\u093f-\u0928\u093f\u0915\u091f \u0936\u093f\u0916\u0930 \u092c\u0932<\/td><td>\u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915\/\u0938\u0902\u092a\u0930\u094d\u0915 \u0915\u094d\u0937\u0924\u093f<\/td><\/tr><tr><td>\u092c\u0940\u0906\u0908\u090f\u0932 \/ \u090f\u0932\u0906\u0908\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u0935\u0940<\/td><td>\u0906\u0935\u0947\u0917\u093f\u0915 \u0909\u091b\u093e\u0932 \u0924\u0928\u093e\u0935<\/td><td>\u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u092e\u0947\u0902 \u091b\u0947\u0926\/\u091b\u093f\u092a\u0940 \u0939\u0941\u0908 \u0916\u0930\u093e\u092c\u0940<\/td><\/tr><tr><td>\u091f\u0940\u0906\u0930\u0935\u0940<\/td><td>\u0905\u0902\u0924\u0930\u093e\u0932-\u0909\u092a\u0930\u093e\u0902\u0924 \u0915\u094d\u0937\u0923\u093f\u0915 \u0924\u0928\u093e\u0935<\/td><td>\u092a\u0941\u0928\u0903 \u0938\u094d\u091f\u094d\u0930\u093e\u0907\u0915, \u0905\u0924\u093f\u0935\u094b\u0932\u094d\u091f\u0947\u091c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-read-a-vcb-nameplate\">\u0935\u0940\u0938\u0940\u092c\u0940 \u0928\u0947\u092e\u092a\u094d\u0932\u0947\u091f \u0915\u0948\u0938\u0947 \u092a\u0922\u093c\u0947\u0902<\/h2>\n\n\n\n<p>\u092f\u0939\u093e\u0901 \u092f\u0939 \u0938\u0902\u0915\u094d\u0937\u093f\u092a\u094d\u0924 \u0930\u0916\u093e \u0917\u092f\u093e \u0939\u0948 (\u090f\u0915 \u092a\u0942\u0930\u094d\u0923 \u0915\u094d\u0937\u0947\u0924\u094d\u0930-\u0926\u0930-\u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u092e\u093e\u0930\u094d\u0917\u0926\u0930\u094d\u0936\u093f\u0915\u093e \u092c\u093e\u0926 \u092e\u0947\u0902 \u090f\u0915 \u0905\u0932\u0917 \u0932\u0949\u0928\u094d\u0917-\u091f\u0947\u0932 \u092a\u094b\u0938\u094d\u091f \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948)\u0964.<\/p>\n\n\n\n<p><strong>\u091a\u0930\u0923 1 \u2014 \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0935\u0930\u094d\u0917 (Ur\/kV):<\/strong> \u092a\u0930\u093f\u092f\u094b\u091c\u0928\u093e \u0935\u0930\u094d\u0917 \u0938\u0947 \u092e\u0947\u0932 \u0916\u093e\u090f\u0902 \u0914\u0930 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u093e \u0938\u093e\u092e\u0928\u093e \u0915\u0930\u0947\u0902\u0964.<br><strong>\u091a\u0930\u0923 2 \u2014 BIL\/LIWV (kVp):<\/strong> \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902 \u0915\u093f \u0907\u092e\u094d\u092a\u0932\u094d\u0938 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927 \u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0938\u092e\u0928\u094d\u0935\u092f \u0915\u0947 \u0905\u0928\u0941\u092e\u093e\u0928\u094b\u0902 \u0915\u094b \u092a\u0942\u0930\u093e \u0915\u0930\u0924\u093e \u0939\u0948\u0964.<br><strong>\u091a\u0930\u0923 3 \u2014 Ir (A):<\/strong> \u092a\u0930\u093f\u0935\u0947\u0936, \u0906\u0935\u0930\u0923 \u0914\u0930 \u0921\u094d\u092f\u0942\u091f\u0940 \u0938\u093e\u0907\u0915\u093f\u0932 \u0915\u0947 \u0932\u093f\u090f \u092e\u093e\u0930\u094d\u091c\u093f\u0928 \u0938\u0939\u093f\u0924 \u0928\u093f\u0930\u0902\u0924\u0930 \u0927\u093e\u0930\u093e \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902\u0964.<br><strong>\u091a\u0930\u0923 4 \u2014 \u0905\u0935\u0930\u094b\u0927\u0928 (kA):<\/strong> \u0938\u094d\u0925\u093e\u092a\u0928\u093e \u092c\u093f\u0902\u0926\u0941 \u092a\u0930 \u0930\u0947\u091f\u093f\u0902\u0917 \u0926\u094b\u0937 \u0927\u093e\u0930\u093e \u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u094b\u0928\u0947 \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902\u0964.<br><strong>\u091a\u0930\u0923 5 \u2014 Icw (1s\/3s):<\/strong> \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902 \u0915\u093f \u0938\u0939\u0928 \u0938\u092e\u092f \u0938\u092e\u0928\u094d\u0935\u092f \u0938\u092b\u093e\u0908 \u092e\u093e\u0928\u094d\u092f\u0924\u093e\u0913\u0902 \u0915\u0947 \u0905\u0928\u0941\u0930\u0942\u092a \u0939\u0948\u0964.<br><strong>\u091a\u0930\u0923 6 \u2014 \u092c\u0928\u093e\u0928\u093e\/\u092c\u0902\u0926 \u0915\u0930\u0928\u093e \u0914\u0930 \u0932\u091f\u0915\u093e\u0928\u093e (\u092f\u0926\u093f \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u094b):<\/strong> \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0939\u094b\u0928\u0947 \u092a\u0930, \u0915\u094d\u0932\u094b\u091c\u093c-\u0911\u0928-\u092b\u093c\u0949\u0932\u094d\u091f \u0915\u0940 \u092e\u091c\u092c\u0942\u0924\u0940 \u0915\u094b \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0902\u0964.<br><strong>\u091a\u0930\u0923 7 \u2014 \u091f\u0940\u0906\u0930\u0935\u0940 \u092b\u093c\u094d\u0932\u0948\u0917:<\/strong> \u0915\u0947\u092c\u0932\/\u0915\u0948\u092a\/\u091f\u094d\u0930\u093e\u0902\u0938\u092b\u0949\u0930\u094d\u092e\u0930-\u092a\u094d\u0930\u0927\u093e\u0928 \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u0915\u0947 \u0932\u093f\u090f, \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u0921\u094d\u092f\u0942\u091f\u0940\/\u091f\u0940\u0906\u0930\u0935\u0940 \u0909\u092a\u092f\u0941\u0915\u094d\u0924\u0924\u093e \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902\u0964.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"selection-workflow\">\u091a\u092f\u0928 \u0915\u093e\u0930\u094d\u092f\u092a\u094d\u0930\u0935\u093e\u0939<\/h2>\n\n\n\n<p><em>\u092a\u0939\u0932\u0947 \u0905\u0927\u094d\u092f\u092f\u0928 \u0915\u0940 \u091a\u0947\u0915\u0932\u093f\u0938\u094d\u091f \u091c\u093f\u0938\u0947 \u0906\u092a \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0938\u092e\u0940\u0915\u094d\u0937\u093e \u0914\u0930 \u0935\u093f\u092b\u0932\u0924\u093e \u091c\u093e\u0902\u091a \u092e\u0947\u0902 \u092c\u091a\u093e\u0935 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964.<\/em><\/p>\n\n\n\n<p>1) kV \u0935\u0930\u094d\u0917 + BIL (\u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928 \u0938\u092e\u0928\u094d\u0935\u092f) \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902<br>2) \u0925\u0930\u094d\u092e\u0932 \u092e\u093e\u0930\u094d\u091c\u093f\u0928 \u0915\u0947 \u0938\u093e\u0925 Ir \u0915\u093e \u0906\u0915\u093e\u0930<br>3) \u0907\u0902\u0938\u094d\u091f\u0949\u0932\u0947\u0936\u0928 \u092c\u093f\u0902\u0926\u0941 \u092a\u0930 \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u0905\u0927\u094d\u092f\u092f\u0928 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902: kA + Icw + \u092e\u0947\u0915\u093f\u0902\u0917\/\u0915\u094d\u0932\u094b\u091c-\u0932\u0948\u091a (\u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0928\u0941\u0938\u093e\u0930)<br>4) \u0915\u0947\u092c\u0932\/\u0915\u0948\u092a\u0947\u0938\u093f\u091f\u0930\/\u091f\u094d\u0930\u093e\u0902\u0938\u092b\u0949\u0930\u094d\u092e\u0930-\u092a\u094d\u0930\u0927\u093e\u0928 \u092a\u094d\u0930\u0923\u093e\u0932\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 TRV\/\u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u0921\u094d\u092f\u0942\u091f\u0940 \u0915\u0940 \u0924\u0930\u094d\u0915\u0938\u0902\u0917\u0924\u0924\u093e \u091c\u093e\u0901\u091a<br>5) \u092f\u0926\u093f \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u092c\u093e\u0930-\u092c\u093e\u0930 \u0939\u094b\u0924\u0940 \u0939\u0948 \u0924\u094b \u0921\u094d\u092f\u0942\u091f\u0940\/\u090f\u0902\u0921\u094d\u092f\u094b\u0930\u0947\u0902\u0938 \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0902\u0964<\/p>\n\n\n\n<p>\u0935\u0948\u0915\u0932\u094d\u092a\u093f\u0915 \u0938\u0902\u0926\u0930\u094d\u092d \u0932\u093f\u0902\u0915:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0907\u0902\u0921\u094b\u0930 \u0938\u094d\u0935\u093f\u091a\u0917\u093f\u092f\u0930 \u0915\u093e \u0909\u0926\u093e\u0939\u0930\u0923: <a href=\"https:\/\/xbrele.com\/hi\/vacuum-circuit-breaker\/vs1-vacuum-circuit-breaker\/\">VS1 \u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930<\/a><\/li>\n\n\n\n<li>\u092c\u093e\u0939\u0930\u0940 \u092b\u0940\u0921\u0930 \u0915\u093e \u0909\u0926\u093e\u0939\u0930\u0923: <a href=\"https:\/\/xbrele.com\/hi\/vacuum-circuit-breaker\/zw32-vacuum-circuit-breaker\/\">ZW32 \u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930<\/a><\/li>\n\n\n\n<li>\u092b\u0940\u0921\u0930 \u0938\u094d\u0935\u091a\u093e\u0932\u0928 \u0938\u0902\u0926\u0930\u094d\u092d: <a href=\"https:\/\/xbrele.com\/hi\/what-is-auto-recloser-how-it-works-keeps-lights-on\/\">\u0911\u091f\u094b \u0930\u093f\u0915\u094d\u0932\u094b\u091c\u0930 \u0915\u094d\u092f\u093e \u0939\u0948 \u0914\u0930 \u092f\u0939 \u0906\u092a\u0915\u0940 \u0932\u093e\u0907\u091f\u0947\u0902 \u091a\u093e\u0932\u0942 \u0915\u0948\u0938\u0947 \u0930\u0916\u0924\u093e \u0939\u0948?<\/a><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-application-map-figure-04.webp\" alt=\"VCB \u0930\u0947\u091f\u093f\u0902\u0917\u094d\u0938 \u0915\u094b \u0907\u0928\u0921\u094b\u0930 \u0938\u094d\u0935\u093f\u091a\u0917\u093f\u092f\u0930, \u0906\u0909\u091f\u0921\u094b\u0930 \u092b\u0940\u0921\u0930\u094d\u0938 \u0914\u0930 \u0930\u093f\u0915\u094d\u0932\u094b\u091c\u093c\u0930 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f\u094b\u0902 \u0938\u0947 \u091c\u094b\u0921\u093c\u0928\u0947 \u0935\u093e\u0932\u093e \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917 \u092e\u093e\u0928\u091a\u093f\u0924\u094d\u0930\" class=\"wp-image-2273\" srcset=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-application-map-figure-04.webp 1024w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-application-map-figure-04-300x164.webp 300w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-application-map-figure-04-768x419.webp 768w, https:\/\/xbrele.com\/wp-content\/uploads\/2025\/12\/xbrele-vcb-ratings-application-map-figure-04-18x10.webp 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u091a\u093f\u0924\u094d\u0930 4. \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917 \u092e\u093e\u0928\u091a\u093f\u0924\u094d\u0930\u2014\u0907\u0928\u0921\u094b\u0930 \u0938\u094d\u0935\u093f\u091a\u0917\u093f\u092f\u0930, \u0906\u0909\u091f\u0921\u094b\u0930 \u092b\u0940\u0921\u0930\u094d\u0938, \u0914\u0930 \u0930\u093f\u0915\u094d\u0932\u094b\u091c\u093c\u0930\/\u0911\u091f\u094b\u092e\u0947\u0936\u0928 \u0909\u092a\u092f\u094b\u0917 \u092e\u093e\u092e\u0932\u094b\u0902 \u092e\u0947\u0902 \u0930\u0947\u091f\u093f\u0902\u0917 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915\u0924\u093e\u090f\u0901 \u0915\u0948\u0938\u0947 \u092c\u0926\u0932\u0924\u0940 \u0939\u0948\u0902\u0964.<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"worked-example-realistic-review-ready\">\u0915\u093e\u0930\u094d\u092f \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0909\u0926\u093e\u0939\u0930\u0923 (\u0935\u093e\u0938\u094d\u0924\u0935\u093f\u0915, \u0938\u092e\u0940\u0915\u094d\u0937\u093e-\u0924\u0948\u092f\u093e\u0930)<\/h2>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0923\u093e\u0932\u0940:<\/strong> 11 kV \u0938\u0902\u092f\u0902\u0924\u094d\u0930 \u0935\u093f\u0924\u0930\u0923 (\u0906\u092e\u0924\u094c\u0930 \u092a\u0930 12 kV \u0935\u0930\u094d\u0917 \u0915\u0947 \u0909\u092a\u0915\u0930\u0923\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0941\u090f)<br><strong>\u0938\u0924\u0924 \u092d\u093e\u0930:<\/strong> 980 \u090f\u0915 \u0928\u093f\u0930\u0902\u0924\u0930 \u2192 \u091a\u0941\u0928\u0947\u0902 <strong>\u0967\u0968\u096b\u0966 \u090f<\/strong> \u0924\u093e\u092a\u0940\u092f \u092e\u093e\u0930\u094d\u091c\u093f\u0928 \u0915\u0947 \u0932\u093f\u090f<br><strong>\u092c\u094d\u0930\u0947\u0915\u0930 \u0938\u094d\u0925\u093e\u0928 \u092a\u0930 \u0916\u0930\u093e\u092c\u0940:<\/strong> 26 kA \u0938\u093f\u092e RMS \u2192 \u091a\u0941\u0928\u0947\u0902 <strong>31.5 \u0915\u093f\u0932\u094b\u090f\u092e\u094d\u092a\u093f\u092f\u0930<\/strong> \u092c\u093e\u0927\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0941\u090f<br><strong>\u0938\u092e\u0928\u094d\u0935\u092f:<\/strong> \u091c\u093e\u0928\u092c\u0942\u091d\u0915\u0930 \u0926\u0947\u0930\u0940 \u0932\u0917\u092d\u0917 1 \u0938\u0947\u0915\u0902\u0921 \u0915\u0940 \u091c\u093e \u0930\u0939\u0940 \u0939\u0948 \u2192 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902 <strong>\u092e\u0948\u0902 \u0915\u094d\u092f\u093e \u0915\u0939\u0942\u0901<\/strong> \u0906\u0935\u0936\u094d\u092f\u0915 \u0905\u0935\u0927\u093f \u092a\u0942\u0930\u0940 \u0915\u0930\u0924\u093e \u0939\u0948<br><strong>\u0907\u0928\u094d\u0938\u0941\u0932\u0947\u0936\u0928:<\/strong> \u0906\u0935\u0936\u094d\u092f\u0915 \u092e\u0948\u091a <strong>\u092d\u093e\u0908<\/strong> \u0914\u0930 \u090f\u0930\u0947\u0938\u094d\u091f\u0930 \u092e\u093e\u0928\u094d\u092f\u0924\u093e\u0913\u0902 \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0930\u0947\u0902<br><strong>\u0928\u0947\u091f\u0935\u0930\u094d\u0915:<\/strong> \u0915\u0947\u092c\u0932-\u092d\u093e\u0930\u0940 + \u0938\u094d\u0935\u093f\u091a\u094d\u0921 \u0915\u0948\u092a\u0947\u0938\u093f\u091f\u0930 \u092c\u0948\u0902\u0915 \u2192 TRV \u091c\u094b\u0916\u093f\u092e \u091a\u093f\u0939\u094d\u0928\u093f\u0924 \u2192 \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u0921\u094d\u092f\u0942\u091f\u0940\/TRV \u0909\u092a\u092f\u0941\u0915\u094d\u0924\u0924\u093e \u0938\u0924\u094d\u092f\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0902<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-mistakes-what-shows-up-in-real-reviews\">\u0906\u092e \u0917\u0932\u0924\u093f\u092f\u093e\u0901 (\u091c\u094b \u0935\u093e\u0938\u094d\u0924\u0935\u093f\u0915 \u0938\u092e\u0940\u0915\u094d\u0937\u093e\u0913\u0902 \u092e\u0947\u0902 \u0926\u093f\u0916\u0924\u0940 \u0939\u0948\u0902)<\/h2>\n\n\n\n<p>\u0909\u092a\u0915\u0930\u0923 \u0935\u0930\u094d\u0917 + \u0938\u0939\u0928 \u0915\u094d\u0937\u092e\u0924\u093e \u0938\u094d\u0924\u0930 \u0915\u0947 \u092c\u091c\u093e\u092f \u092b\u0940\u0921\u0930 \u0909\u092a\u0928\u093e\u092e \u0938\u0947 \u091a\u092f\u0928<br>2) \u0917\u0930\u094d\u092e \u0915\u092e\u0930\u094b\u0902 \u092f\u093e \u0918\u0928\u0947 \u0915\u094d\u092f\u0942\u092c\u093f\u0915\u0932\u094b\u0902 \u092e\u0947\u0902 \u0915\u093f\u0928\u093e\u0930\u0947 \u092a\u0930 Ir \u091a\u0932\u093e\u0928\u093e<br>3) \u0938\u094d\u0925\u093e\u0928-\u0935\u093f\u0936\u093f\u0937\u094d\u091f \u0926\u094b\u0937 \u0927\u093e\u0930\u093e \u0915\u0947 \u092c\u091c\u093e\u092f \u0939\u0930 \u091c\u0917\u0939 \u092c\u0938 \u0926\u094b\u0937 \u092e\u093e\u0928\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917<br>4) Icw \u0915\u094b \u0905\u0928\u0926\u0947\u0916\u093e \u0915\u0930\u0928\u093e, \u092b\u093f\u0930 \u092f\u0939 \u092a\u0924\u093e \u091a\u0932\u0928\u093e \u0915\u093f \u091a\u092f\u0928\u093e\u0924\u094d\u092e\u0915\u0924\u093e \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0928\u0939\u0940\u0902 \u0939\u0948\u0964<br>5) BIL \u0915\u094b \u0914\u092a\u091a\u093e\u0930\u093f\u0915\u0924\u093e \u092e\u093e\u0928\u0928\u093e \u091c\u092c\u0915\u093f \u0905\u0930\u0947\u0938\u094d\u091f\u0930 \u0915\u0940 \u0927\u093e\u0930\u0923\u093e\u090f\u0901 \u092d\u093f\u0928\u094d\u0928 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902<br>6) \u0915\u0947\u092c\u0932\/\u0915\u0948\u092a-\u092d\u093e\u0930\u0940 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 \u092e\u0947\u0902 TRV \u0915\u094b \u0905\u0928\u0926\u0947\u0916\u093e \u0915\u0930\u0928\u093e, \u092b\u093f\u0930 \u0930\u0940\u0938\u094d\u091f\u094d\u0930\u093e\u0907\u0915 \u0932\u0915\u094d\u0937\u0923\u094b\u0902 \u0915\u093e \u092a\u0940\u091b\u093e \u0915\u0930\u0928\u093e<\/p>\n\n\n\n<p>\u092f\u0926\u093f \u0906\u092a \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0928\u0939\u0940\u0902 \u0939\u0948\u0902 \u0915\u093f \u0906\u092a\u0915\u094b \u092c\u094d\u0930\u0947\u0915\u0930 \u092f\u093e \u0915\u0949\u0928\u094d\u091f\u0948\u0915\u094d\u091f\u0930 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0938\u093e \u091a\u093e\u0939\u093f\u090f, \u0924\u094b \u092a\u0922\u093c\u0947\u0902:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/xbrele.com\/hi\/difference-between-vcb-and-contactor-in-electrical-systems\/\">VCB \u0914\u0930 \u0915\u0949\u0928\u094d\u091f\u0948\u0915\u094d\u091f\u0930 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/xbrele.com\/hi\/vacuum-contactor-vs-vacuum-circuit-breaker-medium-voltage-panel\/\">\u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0915\u0949\u0928\u094d\u091f\u0948\u0915\u094d\u091f\u0930 \u092c\u0928\u093e\u092e \u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930 (\u092a\u0948\u0928\u0932 \u091a\u092f\u0928)<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"micro-q-a-long-tail-coverage\">\u0905\u0915\u094d\u0938\u0930 \u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928<\/h2>\n\n\n\n<p><strong>\u0915\u094d\u092f\u093e 11 kV \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u0947 \u0932\u093f\u090f 12 kV \u0935\u0930\u094d\u0917 \u0938\u0939\u0940 \u0939\u0948?<\/strong><br>\u0905\u0915\u094d\u0938\u0930 \u0939\u093e\u0901\u0964 \u092b\u0940\u0921\u0930 \u0915\u0947 \u0909\u092a\u0928\u093e\u092e \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0928 \u0915\u0930\u0947\u0902, \u092c\u0932\u094d\u0915\u093f \u092a\u094d\u0930\u094b\u091c\u0947\u0915\u094d\u091f \u0909\u092a\u0915\u0930\u0923 \u0935\u0930\u094d\u0917 \u0914\u0930 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902\u0964.<\/p>\n\n\n\n<p><strong>kA \u0907\u0902\u091f\u0930\u092a\u094d\u091f\u093f\u0902\u0917 \u0914\u0930 Icw \u092e\u0947\u0902 \u0915\u094d\u092f\u093e \u0905\u0902\u0924\u0930 \u0939\u0948?<\/strong><br>kA \u0935\u0939 \u0939\u0948 \u091c\u093f\u0938\u0947 \u092c\u094d\u0930\u0947\u0915\u0930 \u0935\u093f\u0930\u093e\u092e \u0926\u0947 \u0938\u0915\u0924\u093e \u0939\u0948; Icw \u0935\u0939 \u0939\u0948 \u091c\u093f\u0938\u0947 \u092f\u0939 \u0938\u092e\u0928\u094d\u0935\u092f \u0935\u093f\u0932\u0902\u092c \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0938\u092e\u092f \u0915\u0947 \u0932\u093f\u090f \u0938\u0939\u0928 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964.<\/p>\n\n\n\n<p><strong>\u201cclose &amp; latch\u201d \u0915\u093e \u0915\u094d\u092f\u093e \u092e\u0924\u0932\u092c \u0939\u0948?<\/strong><br>\u0916\u0930\u093e\u092c\u0940 \u092a\u0930 \u092c\u0902\u0926 \u0939\u094b\u0928\u0947 \u092e\u0947\u0902 \u092e\u091c\u092c\u0942\u0924\u0940: \u091a\u0930\u092e \u092c\u0932\u094b\u0902 \u0915\u093e \u0938\u093e\u092e\u0928\u093e \u0915\u0930\u0915\u0947 \u092d\u0940 \u0932\u0945\u091a\u094d\u0921 \u092c\u0928\u0947 \u0930\u0939\u0928\u0947 \u0915\u0940 \u0915\u094d\u0937\u092e\u0924\u093e\u0964.<\/p>\n\n\n\n<p><strong>\u0915\u094d\u092f\u093e \u0915\u094b\u0908 \u092c\u094d\u0930\u0947\u0915\u0930 kA \u0930\u0947\u091f\u093f\u0902\u0917 \u092a\u0942\u0930\u0940 \u0915\u0930\u0928\u0947 \u0915\u0947 \u092c\u093e\u0926 \u092d\u0940 \u092b\u093f\u0930 \u0938\u0947 \u091f\u094d\u0930\u093f\u092a \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948?<\/strong><br>\u0939\u093e\u0901\u0964 \u091f\u0940\u0906\u0930\u0935\u0940\/\u0906\u0930\u0906\u0930\u0906\u0930\u0935\u0940 \u0915\u0947\u092c\u0932\/\u0915\u0948\u092a\u0947\u0938\u093f\u091f\u0930-\u092a\u094d\u0930\u0927\u093e\u0928 \u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u092a\u0930\u093f\u0938\u094d\u0925\u093f\u0924\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u092a\u0941\u0928\u0903 \u0938\u094d\u091f\u094d\u0930\u093e\u0907\u0915 \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"standards-references-authority\">\u092e\u093e\u0928\u0915 \u0914\u0930 \u0938\u0902\u0926\u0930\u094d\u092d (\u092a\u094d\u0930\u093e\u0927\u093f\u0915\u0930\u0923)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0906\u0908\u0908\u0938\u0940 62271-100 (\u090f\u0938\u0940 \u0938\u0930\u094d\u0915\u093f\u091f-\u092c\u094d\u0930\u0947\u0915\u0930): <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/62785\" target=\"_blank\" rel=\"noopener\">https:\/\/webstore.iec.ch\/en\/publication\/62785<\/a><\/li>\n\n\n\n<li>\u0906\u0908\u0908\u0908\u0908 \u0938\u094037.04 (\u0930\u0947\u091f\u093f\u0902\u0917\u094d\u0938 \u0914\u0930 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u090f\u0901): <a href=\"https:\/\/standards.ieee.org\/ieee\/C37.04\/5357\/\" target=\"_blank\" rel=\"noopener\">https:\/\/standards.ieee.org\/ieee\/C37.04\/5357\/<\/a><\/li>\n\n\n\n<li>\u0906\u0908\u0908\u0908\u0908 \u0938\u094037.09 (\u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u090f\u0902): <a href=\"https:\/\/standards.ieee.org\/ieee\/C37.09\/5676\/\" target=\"_blank\" rel=\"noopener\">https:\/\/standards.ieee.org\/ieee\/C37.09\/5676\/<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"revision-log\">\u0938\u0902\u0936\u094b\u0927\u0928 \u0932\u0949\u0917<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2025-12-22: \u0935\u093f\u0938\u094d\u0924\u093e\u0930\u093f\u0924 \u0936\u0949\u0930\u094d\u091f-\u0938\u0930\u094d\u0915\u093f\u091f \u092a\u0930\u093f\u0935\u093e\u0930 (kA + Icw + \u092e\u0947\u0915\u093f\u0902\u0917\/\u0915\u094d\u0932\u094b\u091c-\u0932\u0948\u091a), TRV \u0938\u094d\u0915\u094d\u0930\u0940\u0928\u0930 \u091c\u094b\u0921\u093c\u093e \u0917\u092f\u093e, IEC \u092c\u0928\u093e\u092e IEEE \u0915\u094d\u0930\u0949\u0938\u0935\u0949\u0915 \u091c\u094b\u0921\u093c\u093e \u0917\u092f\u093e, \u0936\u092c\u094d\u0926\u093e\u0935\u0932\u0940 \u0914\u0930 \u092e\u093e\u0907\u0915\u094d\u0930\u094b \u092a\u094d\u0930\u0936\u094d\u0928\u094b\u0924\u094d\u0924\u0930 \u091c\u094b\u0921\u093c\u0947 \u0917\u090f, \u0906\u0915\u0943\u0924\u093f \u092f\u094b\u091c\u0928\u093e \u091c\u094b\u0921\u093c\u0940 \u0917\u0908 (4 \u0906\u0915\u0943\u0924\u093f\u092f\u093e\u0901 + \u092b\u0940\u091a\u0930)\u0964.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>RFQ \u091c\u092e\u093e \u0915\u0930\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u0935\u094b\u0932\u094d\u091f\u0947\u091c \u0935\u0930\u094d\u0917, \u0935\u093f\u0918\u091f\u0928 \u0927\u093e\u0930\u093e, BIL, \u0905\u0932\u094d\u092a\u0915\u093e\u0932\u093f\u0915 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e \u0914\u0930 \u0921\u094d\u092f\u0942\u091f\u0940 \u091a\u0915\u094d\u0930 \u0938\u0939\u093f\u0924 \u092e\u0941\u0916\u094d\u092f \u0935\u0948\u0915\u094d\u092f\u0942\u092e \u0938\u0930\u094d\u0915\u093f\u091f \u092c\u094d\u0930\u0947\u0915\u0930 \u0930\u0947\u091f\u093f\u0902\u0917\u094d\u0938 \u0915\u094b \u0938\u092e\u091d\u0947\u0902\u0964.<\/p>","protected":false},"author":3,"featured_media":2274,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[24],"tags":[],"class_list":["post-2269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vacuum-circuit-breaker-knowledge"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/posts\/2269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/comments?post=2269"}],"version-history":[{"count":6,"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/posts\/2269\/revisions"}],"predecessor-version":[{"id":3845,"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/posts\/2269\/revisions\/3845"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/media\/2274"}],"wp:attachment":[{"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/media?parent=2269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/categories?post=2269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xbrele.com\/hi\/wp-json\/wp\/v2\/tags?post=2269"}],"curies":[{"name":"\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u092a\u0940","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}