{"id":2269,"date":"2025-12-22T07:00:32","date_gmt":"2025-12-22T07:00:32","guid":{"rendered":"https:\/\/xbrele.com\/?p=2269"},"modified":"2026-04-07T12:32:35","modified_gmt":"2026-04-07T12:32:35","slug":"vacuum-circuit-breaker-ratings","status":"publish","type":"post","link":"https:\/\/xbrele.com\/ar\/vacuum-circuit-breaker-ratings\/","title":{"rendered":"\u0634\u0631\u062d \u062a\u0635\u0646\u064a\u0641\u0627\u062a VCB: kV\u060c A\u060c kA\u060c BIL\u060c TRV \u0648 Icw (\u062f\u0644\u064a\u0644 \u0644\u0648\u062d\u0627\u062a \u0628\u064a\u0627\u0646\u0627\u062a \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a\u0629)"},"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        \u0645\u0644\u062e\u0635 \u0633\u0631\u064a\u0639 (60 \u062b\u0627\u0646\u064a\u0629)\n      <\/p>\n      <p style=\"margin:0 0 10px 0; color:#334155; font-size:14px; line-height:1.6;\">\n        \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0622\u0645\u0646 \u0644\u0640 VCB \u0644\u064a\u0633 \u201ckV + A\u201d. \u064a\u062c\u0628 \u0639\u0644\u064a\u0643 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0635\u062d\u0629 <strong>\u0627\u0644\u0639\u0632\u0644<\/strong> (\u0641\u0626\u0629 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a + BIL\/LIWV)\u060c,\n        <strong>\u0648\u0627\u062c\u0628 \u0627\u0644\u062e\u0637\u0623<\/strong> (\u0645\u0642\u0627\u0637\u0639\u0629 kA + Icw + \u0635\u0646\u0639\/\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0645\u0632\u0644\u0627\u062c)\u060c \u0648 <strong>\u0627\u0644\u0645\u062a\u0646\u0642\u0644\u0648\u0646<\/strong> (TRV\/RRRV) \u0636\u062f <strong>\u062f\u0631\u0627\u0633\u0629 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0641\u064a \u0645\u0648\u0642\u0639 \u0627\u0644\u0642\u0627\u0637\u0639<\/strong> \u0648\u0645\u0639\u064a\u0627\u0631 IEC\/IEEE \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639.\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: \u0641\u0626\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a\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          A \/ Ir: \u0627\u0644\u062d\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a\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: \u0645\u0642\u0627\u0637\u0639\u0629\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          Icw: \u0627\u0644\u0635\u0645\u0648\u062f \u0623\u0645\u0627\u0645 \u0627\u0644\u0632\u0645\u0646\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: \u0647\u0627\u0645\u0634 \u0627\u0644\u0632\u064a\u0627\u062f\u0629\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          TRV\/RRRV: \u0645\u062e\u0627\u0637\u0631 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0625\u0636\u0631\u0627\u0628\n        <\/span>\n      <\/div>\n\n      <p style=\"margin:0; color:#475569; font-size:12px; line-height:1.6;\">\n        <strong>\u0642\u0627\u0639\u062f\u0629 \u0639\u0627\u0645\u0629:<\/strong> \u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0648\u0627\u062c\u0628 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0643\u0639\u0627\u0626\u0644\u0629 \u2014\n        <strong>\u0645\u0642\u0627\u0637\u0639\u0629 (kA)<\/strong> + <strong>\u062a\u062d\u0645\u0644 \u0642\u0635\u064a\u0631 \u0627\u0644\u0645\u062f\u0649 (Icw)<\/strong> + <strong>\u0635\u0646\u0639\/\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0645\u0632\u0644\u0627\u062c<\/strong>. \u0625\u0630\u0627 \u0643\u0627\u0646 \u0646\u0638\u0627\u0645\u0643 \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0627\u0644\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0623\u0648 \u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a\u060c \u0623\u0636\u0641 \u0635\u0631\u0627\u062d\u0629\u064b <strong>\u0641\u062d\u0635 TRV<\/strong>.\n      <\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<p>\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u062a\u0648\u0633\u0637 \u0644\u0627 \u062a\u063a\u0641\u0631 \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u0635\u0646\u064a\u0641. \u064a\u0634\u0631\u062d \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a\u0629 (VCB) \u0628\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u064a \u064a\u0633\u062a\u062e\u062f\u0645\u0647\u0627 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0641\u0639\u0644\u064a\u064b\u0627: <strong>\u0644\u0648\u062d\u0629 \u0627\u0644\u0627\u0633\u0645 \u2192 \u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u2192 \u0641\u062d\u0648\u0635\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/strong>.<\/p>\n\n\n\n<p>\u0625\u0630\u0627 \u0643\u0646\u062a \u062a\u0631\u064a\u062f \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0627\u062a \u0623\u0648\u0644\u0627\u064b\u060c \u0627\u0642\u0631\u0623:<br><a href=\"https:\/\/xbrele.com\/ar\/what-is-vacuum-circuit-breaker-working-principle\/\">\u0645\u0627 \u0647\u0648 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a (VCB) \u0648\u0643\u064a\u0641 \u064a\u0639\u0645\u0644\u061f<\/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=\"\u062a\u062e\u0637\u064a\u0637 \u062a\u062e\u0637\u064a\u0637\u064a \u0644\u0644\u0648\u062d\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a \u0645\u0639 \u0645\u0646\u0627\u0637\u0642 \u0645\u0638\u0644\u0644\u0629 \u0644\u0645\u062c\u0627\u0644\u0627\u062a Ur Ir Isc Icw \u0648 BIL\" 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\">\u0627\u0644\u0634\u0643\u0644 1. \u062e\u0631\u064a\u0637\u0629 \u0641\u0643 \u062a\u0634\u0641\u064a\u0631 \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u062c\u0627\u0646\u0628\u064a\u0629 \u0627\u0644\u0639\u0627\u0645\u0629 \u0644\u0640 VCB \u2014 \u062a\u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0645\u0639 \u0627\u0644\u062d\u0642\u0648\u0644 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0640 Ur \u0648 Ir \u0648 Isc \u0648 Icw \u0648 BIL\/LIWV \u0648 TRV.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-vcb-ratings-really-mean-and-why-kv-a-is-not-enough\">\u0645\u0627\u0630\u0627 \u062a\u0639\u0646\u064a \u062a\u0635\u0646\u064a\u0641\u0627\u062a VCB \u062d\u0642\u064b\u0627 (\u0648\u0644\u0645\u0627\u0630\u0627 \u0644\u0627 \u064a\u0643\u0641\u064a \u201ckV + A\u201d)<\/h2>\n\n\n\n<p>\u0645\u0639\u0638\u0645 \u0645\u0634\u0627\u0643\u0644 \u0642\u0648\u0627\u0637\u0639 MV \u0644\u0627 \u062a\u0646\u062a\u062c \u0639\u0646 \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0641\u0631\u0627\u063a. \u0639\u0627\u062f\u0629 \u0645\u0627 \u062a\u0646\u0634\u0623 \u0639\u0646 \u0623\u062d\u062f \u062b\u0644\u0627\u062b\u0629 \u0623\u0646\u0648\u0627\u0639 \u0645\u0646 \u0639\u062f\u0645 \u0627\u0644\u062a\u0648\u0627\u0641\u0642:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 \u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0635\u062f\u0639:<\/strong> \u062a\u0645 \u0641\u062d\u0635 \u0627\u0644\u0645\u0642\u0627\u0637\u0639\u0629 (kA)\u060c \u0648\u0644\u0643\u0646 <strong>\u062a\u062d\u0645\u0644 \u0642\u0635\u064a\u0631 \u0627\u0644\u0645\u062f\u0649 (Icw)<\/strong> \u0648\/\u0623\u0648 <strong>\u0635\u0646\u0639\/\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0645\u0632\u0644\u0627\u062c<\/strong> \u062a\u0645 \u062a\u062c\u0627\u0647\u0644\u0647\u0627.<\/li>\n\n\n\n<li><strong>\u0639\u062f\u0645 \u062a\u0648\u0627\u0641\u0642 \u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0639\u0632\u0644:<\/strong> \u0641\u0626\u0629 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0648 <strong>BIL\/LIWV<\/strong> \u0644\u0627 \u064a\u062a\u0637\u0627\u0628\u0642 \u0645\u0639 \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0641\u0627\u062c\u0626 \u0641\u064a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0627\u0644\u0645\u0627\u0646\u0639.<\/li>\n\n\n\n<li><strong>\u0639\u062f\u0645 \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0645\u0624\u0642\u062a (TRV):<\/strong> \u0627\u0644\u0642\u0627\u0637\u0639 \u064a\u0641\u064a \u0628\u0645\u0639\u064a\u0627\u0631 kA\u060c \u0648\u0644\u0643\u0646 <strong>TRV\/RRRV<\/strong> \u0623\u0643\u062b\u0631 \u0642\u0633\u0648\u0629 \u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0627\u0644\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a\/\u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a.<\/li>\n<\/ul>\n\n\n\n<p>\u0647\u0630\u0647 \u0627\u0644\u0635\u0641\u062d\u0629 \u0645\u0635\u0645\u0645\u0629 \u0644\u0645\u0646\u0639 \u062d\u062f\u0648\u062b \u062a\u0644\u0643 \u0627\u0644\u0623\u062e\u0637\u0627\u0621.<\/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=\"\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a\u0629 (VCB): \u0634\u0631\u062d kV \u0648 kA \u0648 BIL \u0648 TRV\" 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\">\u0645\u0641\u0643\u0643 \u0633\u0631\u064a\u0639 \u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0627\u0633\u0645 (60 \u062b\u0627\u0646\u064a\u0629)<\/h2>\n\n\n\n<p>\u0627\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u062c\u062f\u0648\u0644 \u0644\u062a\u0631\u062c\u0645\u0629 \u0645\u0639\u0638\u0645 \u0623\u0648\u0631\u0627\u0642 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a\/\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u0623\u0633\u0645\u0627\u0621 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0640 VCB \u0628\u0633\u0631\u0639\u0629.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0644\u0648\u062d\u0629 \u062a\u062d\u0645\u0644 \u0627\u0644\u0627\u0633\u0645<\/th><th>\u0645\u0627\u0630\u0627 \u064a\u0639\u0646\u064a \u0630\u0644\u0643 \u0641\u064a \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629<\/th><th>\u0627\u0644\u0631\u0645\u0648\u0632\/\u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/th><\/tr><\/thead><tbody><tr><td>\u0641\u0626\u0629 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0642\u0646\u0646<\/td><td>\u0641\u0626\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a (\u0627\u0644\u0639\u0632\u0644\/\u0627\u0644\u062e\u0644\u0648\u0635)<\/td><td>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a\u060c, <strong>\u0623\u0648\u0631<\/strong>, \u060c \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0627\u0644\u0645\u0642\u0646\u0646<\/td><\/tr><tr><td>\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0645\u0642\u0646\u0646<\/td><td>\u062a\u062d\u0645\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0636\u0645\u0646 \u062d\u062f\u0648\u062f \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/td><td>\u0623\u060c, <strong>\u0625\u064a\u0631<\/strong><\/td><\/tr><tr><td>\u0642\u0637\u0639\/\u0643\u0633\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629<\/td><td>\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u062e\u0637\u0623 \u0627\u0644\u0630\u064a \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0642\u0637\u0639\u0647 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631<\/td><td>kA\u060c, <strong>Isc<\/strong><\/td><\/tr><tr><td>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0646\u0628\u0636\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/td><td>\u0642\u0648\u0629 \u0639\u0632\u0644 \u0627\u0644\u0646\u0628\u0636\u0627\u062a \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0637\u0641\u0631\u0627\u062a<\/td><td><strong>BIL<\/strong>, <strong>LIWV<\/strong> (\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a)<\/td><\/tr><tr><td>\u0642\u062f\u0631\u0629 TRV<\/td><td>\u062a\u062d\u0645\u0644 \u062c\u0647\u062f \u0627\u0644\u0627\u0633\u062a\u0639\u0627\u062f\u0629 \u0628\u0639\u062f \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639 (\u0628\u0648\u0627\u0633\u0637\u0629 \u0648\u0627\u062c\u0628\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631)<\/td><td>TRV \/ \u0641\u0626\u0629 \u0627\u0644\u0631\u0633\u0648\u0645 \u0627\u0644\u062c\u0645\u0631\u0643\u064a\u0629<\/td><\/tr><tr><td>\u062a\u062d\u0645\u0644 \u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f<\/td><td>\u062a\u062d\u0645\u0644 \u062a\u064a\u0627\u0631 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0644\u0641\u062a\u0631\u0629 \u0632\u0645\u0646\u064a\u0629 (\u062a\u0623\u062e\u064a\u0631\u0627\u062a \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629)<\/td><td><strong>Icw<\/strong> (1 \u062b\u0627\u0646\u064a\u0629\/3 \u062b\u0648\u0627\u0646)<\/td><\/tr><tr><td>\u0635\u0646\u0639 \/ \u0625\u063a\u0644\u0627\u0642 \u0648\u0645\u0632\u0644\u0627\u062c<\/td><td>\u0645\u062a\u0627\u0646\u0629 \u0642\u0631\u064a\u0628\u0629 \u0645\u0646 \u0627\u0644\u0639\u0637\u0644 (\u0642\u0648\u0649 \u0627\u0644\u0630\u0631\u0648\u0629)<\/td><td>\u0635\u0646\u0639 \/ \u0625\u063a\u0644\u0627\u0642 \u0648\u0645\u0632\u0644\u0627\u062c<\/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\">\u0645\u0633\u0631\u062f \u0627\u0644\u0631\u0645\u0648\u0632 (\u0645\u0631\u062c\u0639 \u0633\u0631\u064a\u0639)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0623\u0648\u0631:<\/strong> \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0642\u0646\u0646 (\u0641\u0626\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a)<\/li>\n\n\n\n<li><strong>Ir:<\/strong> \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0645\u0642\u0646\u0646 (\u0627\u0644\u062d\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a)<\/li>\n\n\n\n<li><strong>Isc:<\/strong> \u062a\u064a\u0627\u0631 \u0642\u0637\u0639\/\u0642\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 (\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0639\u0644\u0649 \u0623\u0633\u0627\u0633 RMS \u0627\u0644\u0645\u062a\u0648\u0627\u0641\u0642 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a)<\/li>\n\n\n\n<li><strong>Icw:<\/strong> \u062a\u064a\u0627\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0642\u0635\u064a\u0631 \u0627\u0644\u0645\u062f\u0649 (\u0645\u0639 \u0627\u0644\u0648\u0642\u062a: 1 \u062b\u0627\u0646\u064a\u0629\u060c 3 \u062b\u0648\u0627\u0646\u064d\u060c \u0625\u0644\u062e)<\/li>\n\n\n\n<li><strong>BIL \/ LIWV:<\/strong> \u0645\u0633\u062a\u0648\u0649 \u062a\u062d\u0645\u0644 \u0646\u0628\u0636\u0627\u062a \u0627\u0644\u0628\u0631\u0642 (kVp)<\/li>\n\n\n\n<li><strong>TRV:<\/strong> \u062c\u0647\u062f \u0627\u0644\u0627\u0633\u062a\u0639\u0627\u062f\u0629 \u0627\u0644\u0639\u0627\u0628\u0631 (\u0628\u0639\u062f \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639)<\/li>\n\n\n\n<li><strong>RRRV:<\/strong> \u0645\u0639\u062f\u0644 \u0627\u0631\u062a\u0641\u0627\u0639 \u062c\u0647\u062f \u0627\u0644\u0627\u0633\u062a\u0631\u062f\u0627\u062f (\u062c\u0632\u0621 \u0645\u0646 \u0634\u062f\u0629 TRV)<\/li>\n\n\n\n<li><strong>X\/R:<\/strong> \u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u0641\u0627\u0639\u0644\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 (\u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0625\u0632\u0627\u062d\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0648\u0642\u0648\u0649 \u0627\u0644\u0630\u0631\u0648\u0629)<\/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\">\u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u064a\u0646 \u0645\u0635\u0637\u0644\u062d\u0627\u062a IEC \u0648 IEEE<\/h2>\n\n\n\n<p>\u0646\u0641\u0633 \u0627\u0644\u0642\u062f\u0631\u0627\u062a\u060c \u062a\u0633\u0645\u064a\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629. \u0627\u0633\u062a\u062e\u062f\u0645 \u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0643\u0645\u0635\u062f\u0631 \u0645\u0648\u062b\u0648\u0642 \u0644\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0627\u0644\u0645\u0641\u0647\u0648\u0645<\/th><th>\u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0645\u0648\u062d\u062f\u0629 \u0644\u0644\u062c\u0646\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062f\u0648\u0644\u064a\u0629<\/th><th>\u0635\u064a\u063a\u0629 IEEE \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/th><th>\u0645\u0644\u0627\u062d\u0638\u0629 \u0639\u0645\u0644\u064a\u0629<\/th><\/tr><\/thead><tbody><tr><td>\u0641\u0626\u0629 \u0627\u0644\u062c\u0647\u062f<\/td><td><strong>\u0623\u0648\u0631<\/strong><\/td><td>\u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0627\u0644\u0645\u0642\u0646\u0646<\/td><td>\u0643\u0644\u0627\u0647\u0645\u0627 \u064a\u062d\u062f\u062f \u0641\u0626\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a\/\u0623\u0633\u0627\u0633 \u0627\u0644\u0639\u0632\u0644<\/td><\/tr><tr><td>\u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631<\/td><td><strong>\u0625\u064a\u0631<\/strong><\/td><td>\u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0627\u0644\u064a \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/td><td>\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \/ \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/td><\/tr><tr><td>\u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0642\u0627\u0637\u0639\u0629<\/td><td>\u062a\u064a\u0627\u0631 \u0642\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629<\/td><td>\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0642\u0627\u0637\u0639\u0629<\/td><td>\u062a\u0623\u0643\u062f \u0645\u0646 \u0646\u0641\u0633 \u0627\u0644\u0623\u0633\u0627\u0633 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643<\/td><\/tr><tr><td>\u062a\u062d\u0645\u0644 \u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f<\/td><td><strong>Icw<\/strong><\/td><td>\u062a\u062d\u0645\u0644 \u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f<\/td><td>\u062d\u0627\u0633\u0645 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u062a\u0623\u062e\u064a\u0631\u0627\u062a \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629<\/td><\/tr><tr><td>\u0645\u062a\u0627\u0646\u0629 \u0642\u0631\u064a\u0628\u0629 \u0645\u0646 \u0627\u0644\u0639\u0637\u0644<\/td><td>\u0627\u0644\u0635\u0646\u0639 \/ \u062a\u062d\u0645\u0644 \u0627\u0644\u0630\u0631\u0648\u0629 (\u062a\u062e\u062a\u0644\u0641 \u0635\u064a\u0627\u063a\u0629 \u0627\u0644\u0628\u0627\u0626\u0639)<\/td><td>\u0625\u063a\u0644\u0627\u0642 \u0648\u0645\u0632\u0644\u0627\u062c \/ \u0635\u0646\u0639<\/td><td>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0648\u0631\u0642\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0648\u0631\u062f<\/td><\/tr><tr><td>\u062a\u062d\u0645\u0644 \u0627\u0644\u0646\u0628\u0636\u0627\u062a<\/td><td>LIWV \/ BIL<\/td><td>BIL<\/td><td>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u064f\u0643\u062a\u0628 \u0628\u0640 BIL \u0641\u064a \u0643\u0644\u0627 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0646<\/td><\/tr><tr><td>\u0642\u062f\u0631\u0629 TRV<\/td><td>TRV \u0644\u0643\u0644 \u0627\u062e\u062a\u0628\u0627\u0631<\/td><td>TRV \u0644\u0643\u0644 \u0627\u062e\u062a\u0628\u0627\u0631<\/td><td>\u0646\u0648\u0639 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0645\u0647\u0645 (\u0643\u0627\u0628\u0644\u0627\u062a\/\u0623\u063a\u0637\u064a\u0629)<\/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\">\u0627\u0644\u0631\u0624\u0649 \u0627\u0644\u0633\u0628\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 (\u0627\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062f \u0627\u0644\u0646\u062c\u0627\u062d)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-kv-rating-equipment-class-insulation-design-not-the-feeder-nickname\">1) \u062a\u0635\u0646\u064a\u0641 kV = \u0641\u0626\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a + \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0639\u0632\u0644 (\u0648\u0644\u064a\u0633 \u0627\u0644\u0627\u0633\u0645 \u0627\u0644\u0645\u0633\u062a\u0639\u0627\u0631 \u0644\u0644\u0645\u063a\u0630\u064a)<\/h3>\n\n\n\n<p><strong>\u0645\u0627 \u0647\u0648:<\/strong> \u0641\u0626\u0629 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062f \u0645\u0633\u0627\u0641\u0627\u062a \u0627\u0644\u0639\u0632\u0644 \u0648\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u0644.<br><strong>\u0645\u0627 \u064a\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647:<\/strong> \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0627\u0633\u0645\u064a \u0648\u201c\u0623\u0639\u0644\u0649 \u062c\u0647\u062f \u0644\u0644\u0646\u0638\u0627\u0645\u201d \u0641\u064a \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639\u060c \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u062a\u062d\u0645\u0644 \u0627\u0644\u062a\u0634\u0643\u064a\u0644\u0629.<br><strong>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0642\u064a\u064a\u0645 \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062d\u0642\u064a\u0642\u064a:<\/strong> \u0627\u0644\u062a\u0641\u0631\u064a\u063a \u0627\u0644\u062c\u0632\u0626\u064a\u060c \u0648\u0627\u0644\u0627\u0646\u062f\u0644\u0627\u0639 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u060c \u0648\u062e\u0637\u0631 \u0641\u0634\u0644 \u0627\u0644\u0639\u0632\u0644.<\/p>\n\n\n\n<p>\u0635\u0641\u062d\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0642 (\u0627\u062e\u062a\u064a\u0627\u0631\u064a):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/xbrele.com\/ar\/vacuum-circuit-breaker\/\">\u0642\u0627\u0637\u0639 \u062f\u0627\u0631\u0629 \u0641\u0631\u0627\u063a\u064a \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u062c\u0647\u062f<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/xbrele.com\/ar\/vacuum-circuit-breaker-manufacturers\/\">\u0645\u0635\u0646\u0639 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a\u0629 \u0648\u062d\u0644\u0648\u0644 OEM<\/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) \u0627\u0644\u062a\u0635\u0646\u064a\u0641 (Ir) \u0647\u0648 \u0647\u0646\u062f\u0633\u0629 \u062d\u0631\u0627\u0631\u064a\u0629\u060c \u0648\u0644\u064a\u0633 \u201c\u0627\u0644\u062d\u0645\u0644 \u064a\u0633\u0627\u0648\u064a \u0627\u0644\u062a\u0635\u0646\u064a\u0641\u201d<\/h3>\n\n\n\n<p><strong>\u0645\u0627 \u0647\u0648:<\/strong> \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0623\u0642\u0635\u0649 \u0636\u0645\u0646 \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647.<br><strong>\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062a\u062d\u0642\u0642 \u0645\u0646\u0647 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0627\u0644\u0645\u062a\u0645\u0631\u0633\u0648\u0646 \u0628\u062e\u0644\u0627\u0641 Ir:<\/strong> \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629\u060c \u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u0645\u0642\u0635\u0648\u0631\u0629\u060c \u062f\u0648\u0631\u0629 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629\u060c \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0627\u0644\u062a\u0648\u0627\u0641\u0642\u064a\u0629\u060c \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0633\u0627\u062e\u0646\u0629.<br><strong>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0642\u064a\u064a\u0645 \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062d\u0642\u064a\u0642\u064a:<\/strong> \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0632\u0645\u0646 \u2192 \u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u0644\u0627\u0645\u0633 \u0623\u0639\u0644\u0649 \u2192 \u062a\u0622\u0643\u0644 \u0645\u062a\u0633\u0627\u0631\u0639.<\/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) \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0642\u0627\u0637\u0639\u0629 kA \u0647\u0648 \u062c\u0632\u0621 \u0648\u0627\u062d\u062f \u0641\u0642\u0637 \u0645\u0646 \u0642\u062f\u0631\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629<\/h3>\n\n\n\n<p><strong>\u0645\u0627 \u0647\u0648:<\/strong> \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u062e\u0637\u0623 \u0627\u0644\u0630\u064a \u064a\u0645\u0643\u0646 \u0644\u0644\u0642\u0627\u0637\u0639 \u0623\u0646 \u064a\u0642\u0637\u0639\u0647 \u0641\u064a \u0638\u0644 \u0645\u0647\u0627\u0645 \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u062d\u062f\u062f\u0629.<br><strong>\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631:<\/strong> \u0627\u0633\u062a\u062e\u062f\u0627\u0645 <strong>\u0646\u062a\u0627\u0626\u062c \u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0641\u064a \u0645\u0648\u0642\u0639 \u0627\u0644\u0642\u0627\u0637\u0639<\/strong>, \u060c \u0648\u0644\u064a\u0633 \u0641\u0642\u0637 \u0642\u064a\u0645 \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062d\u0627\u0641\u0644\u0629.<br><strong>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0642\u064a\u064a\u0645 \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062d\u0642\u064a\u0642\u064a:<\/strong> \u0627\u0646\u0642\u0637\u0627\u0639 \u063a\u064a\u0631 \u0622\u0645\u0646\u060c \u062e\u0637\u0631 \u062a\u0644\u0641 \u0634\u062f\u064a\u062f \u0644\u0644\u0645\u0639\u062f\u0627\u062a.<\/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) \u062a\u0642\u0631\u0631 Icw \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629 \u0645\u0645\u0643\u0646\u0629<\/h3>\n\n\n\n<p><strong>\u0645\u0627 \u0647\u0648:<\/strong> \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0627\u0644\u0630\u064a \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0639\u062f\u0627\u062a \u062a\u062d\u0645\u0644\u0647 \u0644\u0641\u062a\u0631\u0629 \u0632\u0645\u0646\u064a\u0629 \u0645\u062d\u062f\u062f\u0629 (\u063a\u0627\u0644\u0628\u064b\u0627 1 \u062b\u0627\u0646\u064a\u0629 \u0623\u0648 3 \u062b\u0648\u0627\u0646\u064d).<br><strong>\u0644\u0645\u0627\u0630\u0627 \u0647\u0630\u0627 \u0645\u0647\u0645:<\/strong> \u062a\u0623\u062e\u064a\u0631\u0627\u062a \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u062a\u0639\u0646\u064a \u0623\u0646 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u062d\u0645\u0644 \u0636\u063a\u0648\u0637 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0642\u0628\u0644 \u0625\u0632\u0627\u0644\u062a\u0647\u0627.<br><strong>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0642\u064a\u064a\u0645 \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062d\u0642\u064a\u0642\u064a:<\/strong> \u0642\u062f \u064a\u062d\u062f\u062b \u062a\u0644\u0641 \u0642\u0628\u0644 \u0627\u0644\u0631\u062d\u0644\u0629\u060c \u0623\u0648 \u062a\u0635\u0628\u062d \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629 \u063a\u064a\u0631 \u0622\u0645\u0646\u0629.<\/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) \u0627\u0644\u0635\u0646\u0639 \/ \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0648\u0627\u0644\u0645\u0632\u0644\u0627\u062c \u0647\u0648 \u201c\u0627\u0644\u0645\u062d\u062f\u062f \u0627\u0644\u062e\u0641\u064a\u201d<\/h3>\n\n\n\n<p><strong>\u0645\u0627 \u0647\u0648:<\/strong> \u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u062a\u062d\u0645\u0644 \u0642\u0648\u0649 \u0627\u0644\u0630\u0631\u0648\u0629 \u0627\u0644\u0642\u0631\u064a\u0628\u0629 \u0645\u0646 \u0627\u0644\u0635\u062f\u0639 (\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0643\u0648\u0646 \u0623\u0633\u0648\u0623 \u062d\u0627\u0644\u0629 \u0625\u062c\u0647\u0627\u062f \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a).<br><strong>\u0644\u0645\u0627\u0630\u0627 \u0647\u0630\u0627 \u0645\u0647\u0645:<\/strong> \u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0639\u0627\u0644\u064a\u0629 X\/R\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0627\u0644\u0642\u0648\u0649 \u0627\u0644\u0643\u0647\u0631\u0648\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0647\u064a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u062d\u062f\u062f\u0629.<br><strong>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0642\u064a\u064a\u0645 \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062d\u0642\u064a\u0642\u064a:<\/strong> \u062a\u0644\u0641 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\/\u062a\u0644\u0641 \u0628\u0633\u0628\u0628 \u0627\u0644\u062a\u0644\u0627\u0645\u0633\u060c \u0627\u0631\u062a\u062f\u0627\u062f\u060c \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0639\u0645\u0631 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a.<\/p>\n\n\n\n<p><strong>\u0625\u0637\u0627\u0631 \u0639\u0645\u0644\u064a \u064a\u0645\u0646\u0639 \u0627\u0644\u0623\u062e\u0637\u0627\u0621:<\/strong><br>\u0639\u0627\u0626\u0644\u0629 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 = <strong>\u0627\u0644\u0645\u0642\u0627\u0637\u0639\u0629 (kA) + \u0627\u0644\u062a\u062d\u0645\u0644 \u0644\u0641\u062a\u0631\u0629 \u0642\u0635\u064a\u0631\u0629 (Icw) + \u0627\u0644\u062a\u0648\u0635\u064a\u0644\/\u0627\u0644\u0625\u063a\u0644\u0627\u0642<\/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=\"\u0645\u062e\u0637\u0637 \u062b\u0644\u0627\u062b\u064a \u064a\u0648\u0636\u062d \u0645\u062c\u0645\u0648\u0639\u0629 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0644\u0640 VCB: \u0642\u0637\u0639 kA \u062a\u062d\u0645\u0644 \u0642\u0635\u064a\u0631 \u0627\u0644\u0645\u062f\u0649 Icw \u0648\u0625\u063a\u0644\u0627\u0642 \u0648\u0625\u0642\u0641\u0627\u0644\" 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\">\u0627\u0644\u0634\u0643\u0644 2. \u0639\u0627\u0626\u0644\u0629 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u2014 \u062a\u0639\u0645\u0644 \u0642\u0648\u0629 \u0627\u0644\u0642\u0637\u0639 (kA) \u0648\u0642\u0648\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0644\u0641\u062a\u0631\u0629 \u0642\u0635\u064a\u0631\u0629 (Icw) \u0648\u0642\u0648\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642\/\u0627\u0644\u0642\u0641\u0644 \u0645\u0639\u064b\u0627.<\/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 \u0647\u0648 \u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0639\u0632\u0644 \u0641\u064a \u0631\u0642\u0645 \u0648\u0627\u062d\u062f<\/h3>\n\n\n\n<p><strong>\u0645\u0627 \u0647\u0648:<\/strong> \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0646\u0628\u0636\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0628\u0627\u0644\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a (\u0647\u0627\u0645\u0634 \u0639\u0632\u0644 \u0627\u0644\u0646\u0628\u0636\u0627\u062a).<br><strong>\u0645\u0627 \u064a\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647:<\/strong> \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0645\u0634\u0631\u0648\u0639 BIL\u060c \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0648\u0645\u0648\u0642\u0639 \u0627\u0644\u0645\u0627\u0646\u0639\u060c \u0627\u0644\u062a\u0639\u0631\u0636 \u0627\u0644\u0639\u0644\u0648\u064a \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0634\u0628\u0643\u0629 \u0627\u0644\u062a\u064a \u062a\u063a\u0630\u064a\u0647\u0627 \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a\u060c \u062a\u0646\u0633\u064a\u0642 \u0639\u0632\u0644 \u0627\u0644\u062a\u0634\u0643\u064a\u0644\u0629 (\u0627\u0644\u062d\u0627\u0641\u0644\u0629\u060c \u0627\u0644\u0646\u0647\u0627\u064a\u0627\u062a\u060c CT\/PT).<br><strong>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0642\u064a\u064a\u0645 \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062d\u0642\u064a\u0642\u064a:<\/strong> \u062b\u0642\u0628 \u0646\u0628\u0636\u064a \u0623\u0648 \u062a\u0644\u0641 \u0643\u0627\u0645\u0646 \u0641\u064a \u0627\u0644\u0639\u0632\u0644.<\/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 \u062a\u0634\u0631\u062d \u062d\u0648\u0627\u062f\u062b \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0636\u0631\u0628 \u0627\u0644\u062a\u064a \u201c\u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u0623\u0646 \u062a\u062d\u062f\u062b\u201d<\/h3>\n\n\n\n<p><strong>\u0645\u0627 \u0647\u0648:<\/strong> \u062c\u0647\u062f \u0627\u0644\u0627\u0633\u062a\u0639\u0627\u062f\u0629 \u0639\u0628\u0631 \u0646\u0642\u0627\u0637 \u0627\u0644\u062a\u0644\u0627\u0645\u0633 \u0645\u0628\u0627\u0634\u0631\u0629 \u0628\u0639\u062f \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639\u061b \u062a\u0639\u062a\u0645\u062f \u0634\u062f\u062a\u0647 \u0639\u0644\u0649 \u0627\u0644\u062d\u062c\u0645 \u0648 <strong>RRRV<\/strong>.<br><strong>\u0644\u0645\u0627\u0630\u0627 \u0647\u0630\u0627 \u0645\u0647\u0645:<\/strong> \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062f\u064a \u0627\u0644\u0645\u063a\u0630\u064a\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0648\u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a \u0625\u0644\u0649 \u0638\u0631\u0648\u0641 \u0625\u062c\u0647\u0627\u062f \u0627\u0633\u062a\u0631\u062f\u0627\u062f \u0623\u0643\u062b\u0631 \u0642\u0633\u0648\u0629.<\/p>\n\n\n\n<p><strong>\u0623\u062f\u0627\u0629 \u0641\u062d\u0635 \u0645\u062e\u0627\u0637\u0631 TRV (\u0633\u0631\u064a\u0639\u0629):<\/strong> \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0625\u062c\u0627\u0628\u0629 \u201c\u0646\u0639\u0645\u201d \u0639\u0644\u0649 <strong>2+<\/strong>, \u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 TRV \u0628\u0646\u062f\u064b\u0627 \u0648\u0627\u0636\u062d\u064b\u0627 \u0644\u0644\u062a\u062d\u0642\u0642:<br>1) \u0643\u0627\u0628\u0644\u0627\u062a MV \u0637\u0648\u064a\u0644\u0629<br>2) \u062a\u0628\u062f\u064a\u0644 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a (\u062e\u0627\u0635\u0629 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\/\u0627\u0644\u0645\u062a\u062a\u0627\u0644\u064a)<br>3) \u0627\u0644\u062a\u0628\u062f\u064a\u0644\/\u062a\u0632\u0648\u064a\u062f \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u062a\u0643\u0631\u0631 \u0644\u0644\u0645\u062d\u0648\u0644\u0627\u062a<br>4) \u0645\u062e\u0627\u0648\u0641 \u0628\u0634\u0623\u0646 \u0627\u0644\u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0644\u0639\u0627\u0645\u0629 \u0627\u0644\u0645\u062e\u062a\u0644\u0637\u0629 + \u0634\u0628\u0643\u0629 \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u0637\u0648\u064a\u0644\u0629 \/ \u0627\u0644\u0631\u0646\u064a\u0646<br>5) \u0625\u0639\u0627\u062f\u0629 \u0635\u064a\u0627\u063a\u0629 \u0627\u0644\u062a\u0627\u0631\u064a\u062e \u0623\u0648 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0639\u0627\u0632\u0644 \u063a\u064a\u0631 \u0627\u0644\u0645\u0628\u0631\u0631<\/p>\n\n\n\n<p>\u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0633\u064a\u0627\u0642 \u0641\u064a\u0632\u064a\u0627\u0621 \u0627\u0644\u0642\u0648\u0633 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u060c \u0627\u0646\u0638\u0631:<br><a href=\"https:\/\/xbrele.com\/ar\/what-is-a-vacuum-interrupter\/\">\u0645\u0627 \u0647\u0648 \u0642\u0627\u0637\u0639 \u0627\u0644\u0641\u0631\u0627\u063a (VI) \u0648\u0643\u064a\u0641 \u064a\u0639\u0645\u0644\u061f<\/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=\"\u0645\u0646\u062d\u0646\u0649 \u0645\u0641\u0647\u0648\u0645 \u062c\u0647\u062f \u0627\u0644\u0627\u0633\u062a\u0639\u0627\u062f\u0629 \u0627\u0644\u0639\u0627\u0628\u0631 \u0628\u0639\u062f \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639 \u064a\u0638\u0647\u0631 \u0627\u0631\u062a\u0641\u0627\u0639\u064b\u0627 \u062d\u0627\u062f\u064b\u0627 \u0641\u064a \u0627\u0644\u0630\u0631\u0648\u0629 \u0648\u062a\u062e\u0645\u064a\u062f\u064b\u0627\" 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\">\u0627\u0644\u0634\u0643\u0644 3. \u0645\u0646\u062d\u0646\u0649 \u0645\u0641\u0647\u0648\u0645 TRV \u2014 \u064a\u0633\u0627\u0639\u062f \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u062d\u0627\u062f (RRRV) \u0648\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0627\u0633\u062a\u0631\u062f\u0627\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0641\u064a \u062a\u0641\u0633\u064a\u0631 \u0645\u062e\u0627\u0637\u0631 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0625\u0635\u0627\u0628\u0629 \u0641\u064a \u0634\u0628\u0643\u0627\u062a \u0645\u0639\u064a\u0646\u0629.<\/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\">\u062c\u062f\u0648\u0644 \u0645\u0642\u0627\u0631\u0646\u0629 \u0633\u0631\u064a\u0639 (\u0645\u0627 \u064a\u0645\u0646\u0639\u0647 \u0643\u0644 \u062a\u0635\u0646\u064a\u0641)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0627\u0644\u062a\u0635\u0646\u064a\u0641<\/th><th>\u064a\u0645\u0646\u0639<\/th><th>\u0646\u062a\u064a\u062c\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u062e\u0627\u0637\u0626 \u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/th><\/tr><\/thead><tbody><tr><td>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \/ \u0633\u0627\u0639\u0629<\/td><td>\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0639\u0632\u0644 \u0639\u0646\u062f \u062c\u0647\u062f \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td><td>PD\u060c \u0627\u0634\u062a\u0639\u0627\u0644<\/td><\/tr><tr><td>A \/ Ir<\/td><td>\u0627\u0644\u0633\u062e\u0648\u0646\u0629 \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td><td>\u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0633\u0627\u062e\u0646\u0629\u060c \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0645\u062a\u0633\u0627\u0631\u0639<\/td><\/tr><tr><td>kA \/ Isc<\/td><td>\u0639\u062f\u0645 \u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0645\u0642\u0627\u0637\u0639\u0629 \u0627\u0644\u0623\u0639\u0637\u0627\u0644<\/td><td>\u0636\u0631\u0631 \u0634\u062f\u064a\u062f\/\u0627\u0646\u0642\u0637\u0627\u0639<\/td><\/tr><tr><td>Icw<\/td><td>\u0627\u0644\u0623\u0636\u0631\u0627\u0631 \u0627\u0644\u0646\u0627\u062c\u0645\u0629 \u0639\u0646 \u0627\u0644\u062a\u0623\u062e\u064a\u0631 \u0641\u064a \u0627\u0644\u062a\u0635\u0641\u064a\u0629<\/td><td>\u062a\u0644\u0641 \u0642\u0628\u0644 \u0627\u0644\u0631\u062d\u0644\u0629 \/ \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629<\/td><\/tr><tr><td>\u0635\u0646\u0639 \/ \u0642\u0641\u0644 \u0642\u0631\u064a\u0628<\/td><td>\u0642\u0648\u0649 \u0627\u0644\u0630\u0631\u0648\u0629 \u0627\u0644\u0642\u0631\u064a\u0628\u0629 \u0645\u0646 \u0627\u0644\u062e\u0637\u0623<\/td><td>\u062a\u0644\u0641 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\/\u062a\u0644\u0641 \u0628\u0633\u0628\u0628 \u0627\u0644\u062a\u0644\u0627\u0645\u0633<\/td><\/tr><tr><td>BIL \/ LIWV<\/td><td>\u0625\u062c\u0647\u0627\u062f \u0645\u0648\u062c\u0629 \u0627\u0644\u062f\u0641\u0639<\/td><td>\u062b\u0642\u0628 \u0627\u0644\u0639\u0632\u0644\/\u0627\u0644\u062e\u0644\u0644 \u0627\u0644\u0643\u0627\u0645\u0646<\/td><\/tr><tr><td>TRV<\/td><td>\u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0645\u0624\u0642\u062a \u0628\u0639\u062f \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639<\/td><td>\u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0636\u0631\u0628\u060c \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0632\u0627\u0626\u062f<\/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\">\u0643\u064a\u0641\u064a\u0629 \u0642\u0631\u0627\u0621\u0629 \u0644\u0648\u062d\u0629 \u0628\u064a\u0627\u0646\u0627\u062a VCB<\/h2>\n\n\n\n<p>\u0647\u0630\u0627 \u064a\u0638\u0644 \u0645\u0648\u062c\u0632\u064b\u0627 \u0647\u0646\u0627 (\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u062f\u0644\u064a\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u062d\u0642\u0644\u064b\u0627 \u0628\u062d\u0642\u0644 \u0645\u0646\u0634\u0648\u0631\u064b\u0627 \u0645\u0646\u0641\u0635\u0644\u0627\u064b \u0637\u0648\u064a\u0644\u064b\u0627 \u0644\u0627\u062d\u0642\u064b\u0627).<\/p>\n\n\n\n<p><strong>\u0627\u0644\u062e\u0637\u0648\u0629 1 \u2014 \u0641\u0626\u0629 \u0627\u0644\u062c\u0647\u062f (Ur\/kV):<\/strong> \u062a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0641\u0626\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u0644.<br><strong>\u0627\u0644\u062e\u0637\u0648\u0629 2 \u2014 BIL\/LIWV (kVp):<\/strong> \u062a\u0623\u0643\u064a\u062f \u0623\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0646\u0628\u0636\u0627\u062a \u062a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0639\u0632\u0644.<br><strong>\u0627\u0644\u062e\u0637\u0648\u0629 3 \u2014 Ir (A):<\/strong> \u062a\u0623\u0643\u064a\u062f \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0645\u0639 \u0647\u0627\u0645\u0634 \u0644\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629\/\u0627\u0644\u062d\u0627\u0648\u064a\u0629\/\u062f\u0648\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644.<br><strong>\u0627\u0644\u062e\u0637\u0648\u0629 4 \u2014 \u0627\u0644\u0645\u0642\u0627\u0637\u0639\u0629 (kA):<\/strong> \u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u064a\u062a\u062c\u0627\u0648\u0632 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0639\u0646\u062f \u0646\u0642\u0637\u0629 \u0627\u0644\u062a\u062b\u0628\u064a\u062a.<br><strong>\u0627\u0644\u062e\u0637\u0648\u0629 5 \u2014 Icw (1s\/3s):<\/strong> \u062a\u0623\u0643\u064a\u062f \u0623\u0646 \u0648\u0642\u062a \u0627\u0644\u062a\u062d\u0645\u0644 \u064a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0627\u0644\u062a\u0646\u0633\u064a\u0642.<br><strong>\u0627\u0644\u062e\u0637\u0648\u0629 6 \u2014 \u0627\u0644\u062a\u062b\u0628\u064a\u062a\/\u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0648\u0627\u0644\u0645\u0632\u0644\u0627\u062c (\u0625\u0630\u0627 \u0644\u0632\u0645 \u0627\u0644\u0623\u0645\u0631):<\/strong> \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0645\u062a\u0627\u0646\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0639\u0646\u062f \u062d\u062f\u0648\u062b \u062e\u0637\u0623 \u0639\u0646\u062f \u062a\u062d\u062f\u064a\u062f \u0630\u0644\u0643.<br><strong>\u0627\u0644\u062e\u0637\u0648\u0629 7 \u2014 \u0639\u0644\u0627\u0645\u0629 TRV:<\/strong> \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u062b\u0642\u064a\u0644 \u0644\u0644\u0643\u0627\u0628\u0644\u0627\u062a\/\u0627\u0644\u0623\u063a\u0637\u064a\u0629\/\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a\u060c \u062a\u0623\u0643\u062f \u0645\u0646 \u0645\u0644\u0627\u0621\u0645\u0629 \u0645\u0647\u0645\u0629 \u0627\u0644\u062a\u0628\u062f\u064a\u0644\/TRV.<\/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\">\u0633\u064a\u0631 \u0639\u0645\u0644 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631<\/h2>\n\n\n\n<p><em>\u0642\u0627\u0626\u0645\u0629 \u0645\u0631\u0627\u062c\u0639\u0629 \u0623\u0648\u0644\u0648\u064a\u0629 \u0627\u0644\u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062a\u064a \u064a\u0645\u0643\u0646\u0643 \u0627\u0644\u062f\u0641\u0627\u0639 \u0639\u0646\u0647\u0627 \u0641\u064a \u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u0627\u0644\u062a\u062d\u0642\u064a\u0642 \u0641\u064a \u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0641\u0634\u0644.<\/em><\/p>\n\n\n\n<p>1) \u062a\u0623\u0643\u064a\u062f \u0641\u0626\u0629 kV + BIL (\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0639\u0632\u0644)<br>2) \u0627\u0644\u062d\u062c\u0645 Ir \u0645\u0639 \u0647\u0627\u0645\u0634 \u062d\u0631\u0627\u0631\u064a<br>3) \u0627\u0633\u062a\u062e\u062f\u0645 \u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0639\u0646\u062f \u0646\u0642\u0637\u0629 \u0627\u0644\u062a\u062b\u0628\u064a\u062a: kA + Icw + \u0635\u0646\u0639\/\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0645\u0632\u0644\u0627\u062c (\u062d\u0633\u0628 \u0627\u0644\u062d\u0627\u062c\u0629)<br>4) \u0641\u062d\u0635 \u0633\u0644\u0627\u0645\u0629 TRV\/\u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0644\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0643\u0627\u0628\u0644\u0627\u062a\/\u0623\u063a\u0637\u064a\u0629\/\u0645\u062d\u0648\u0644\u0627\u062a \u062b\u0642\u064a\u0644\u0629<br>5) \u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0648\u0627\u062c\u0628\/\u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0645\u0644 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0645\u062a\u0643\u0631\u0631\u064b\u0627<\/p>\n\n\n\n<p>\u0631\u0648\u0627\u0628\u0637 \u0633\u064a\u0627\u0642 \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629: <a href=\"https:\/\/xbrele.com\/ar\/vacuum-circuit-breaker\/vs1-vacuum-circuit-breaker\/\">\u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a VS1<\/a><\/li>\n\n\n\n<li>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0645\u063a\u0630\u064a \u062e\u0627\u0631\u062c\u064a: <a href=\"https:\/\/xbrele.com\/ar\/vacuum-circuit-breaker\/zw32-vacuum-circuit-breaker\/\">\u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a ZW32<\/a><\/li>\n\n\n\n<li>\u0633\u064a\u0627\u0642 \u0623\u062a\u0645\u062a\u0629 \u0627\u0644\u0645\u063a\u0630\u064a: <a href=\"https:\/\/xbrele.com\/ar\/what-is-auto-recloser-how-it-works-keeps-lights-on\/\">\u0645\u0627 \u0647\u0648 \u062c\u0647\u0627\u0632 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u062a\u0644\u0642\u0627\u0626\u064a \u0648\u0643\u064a\u0641 \u064a\u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0645\u0635\u0627\u0628\u064a\u062d\u061f<\/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=\"\u062e\u0631\u064a\u0637\u0629 \u062a\u0637\u0628\u064a\u0642 \u062a\u0631\u0628\u0637 \u062a\u0635\u0646\u064a\u0641\u0627\u062a VCB \u0628\u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0648\u0627\u0644\u0645\u063a\u0630\u064a\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0648\u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642\" 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\">\u0627\u0644\u0634\u0643\u0644 4. \u062e\u0631\u064a\u0637\u0629 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u2014 \u0643\u064a\u0641 \u062a\u062a\u063a\u064a\u0631 \u0623\u0648\u0644\u0648\u064a\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0639\u0628\u0631 \u062d\u0627\u0644\u0627\u062a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0648\u0627\u0644\u0645\u063a\u0630\u064a\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0648\u0623\u062c\u0647\u0632\u0629 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642\/\u0627\u0644\u0623\u062a\u0645\u062a\u0629.<\/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\">\u0645\u062b\u0627\u0644 \u0639\u0645\u0644\u064a (\u0648\u0627\u0642\u0639\u064a\u060c \u062c\u0627\u0647\u0632 \u0644\u0644\u0645\u0631\u0627\u062c\u0639\u0629)<\/h2>\n\n\n\n<p><strong>\u0627\u0644\u0646\u0638\u0627\u0645:<\/strong> \u062a\u0648\u0632\u064a\u0639 \u0645\u062d\u0637\u0629 11 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a (\u062a\u0633\u062a\u062e\u062f\u0645 \u0639\u0627\u062f\u0629 \u0645\u0639\u062f\u0627\u062a \u0645\u0646 \u0641\u0626\u0629 12 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a)<br><strong>\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631:<\/strong> 980 \u0645\u0633\u062a\u0645\u0631 \u2192 \u0627\u062e\u062a\u0631 <strong>1250 \u0623<\/strong> \u0644\u0644\u0647\u0627\u0645\u0634 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<br><strong>\u0639\u0637\u0644 \u0641\u064a \u0645\u0648\u0642\u0639 \u0627\u0644\u0642\u0627\u0637\u0639:<\/strong> 26 \u0643\u064a\u0644\u0648 \u0623\u0645\u0628\u064a\u0631 \u062a\u064a\u0627\u0631 \u0645\u062a\u0648\u0633\u0637 \u0641\u0639\u0627\u0644 \u2192 \u0627\u062e\u062a\u0631 <strong>31.5 \u0643\u064a\u0644\u0648 \u0623\u0645\u0628\u064a\u0631<\/strong> \u0645\u0642\u0627\u0637\u0639\u0629<br><strong>\u0627\u0644\u062a\u0646\u0633\u064a\u0642:<\/strong> \u062a\u0623\u062e\u064a\u0631 \u0645\u062a\u0639\u0645\u062f \u064a\u0642\u062a\u0631\u0628 \u0645\u0646 1 \u062b\u0627\u0646\u064a\u0629 \u0645\u0645\u0643\u0646 \u2192 \u062a\u0623\u0643\u064a\u062f <strong>Icw<\/strong> \u064a\u0644\u0628\u064a \u0627\u0644\u0645\u062f\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629<br><strong>\u0627\u0644\u0639\u0632\u0644:<\/strong> \u0645\u0637\u0627\u0628\u0642\u0629 \u0645\u0637\u0644\u0648\u0628\u0629 <strong>BIL<\/strong> \u0648\u062a\u0623\u0643\u064a\u062f \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0627\u0644\u0645\u0639\u062a\u0642\u0644<br><strong>\u0627\u0644\u0634\u0628\u0643\u0629:<\/strong> \u0643\u0627\u0628\u0644\u0627\u062a \u062b\u0642\u064a\u0644\u0629 + \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0643\u062b\u0641\u0627\u062a \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0628\u062f\u064a\u0644 \u2192 \u062a\u0645 \u0627\u0644\u0625\u0628\u0644\u0627\u063a \u0639\u0646 \u0645\u062e\u0627\u0637\u0631 TRV \u2192 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0645\u0644\u0627\u0621\u0645\u0629 \u0645\u0647\u0645\u0629 \u0627\u0644\u062a\u0628\u062f\u064a\u0644\/TRV<\/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\">\u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 (\u0645\u0627 \u064a\u0638\u0647\u0631 \u0641\u064a \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0627\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629)<\/h2>\n\n\n\n<p>1) \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u062d\u0633\u0628 \u0627\u0633\u0645 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0641\u0626\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a + \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u0644<br>2) \u062a\u0634\u063a\u064a\u0644 Ir \u0639\u0644\u0649 \u0627\u0644\u062d\u0627\u0641\u0629 \u0641\u064a \u0627\u0644\u063a\u0631\u0641 \u0627\u0644\u0633\u0627\u062e\u0646\u0629 \u0623\u0648 \u0627\u0644\u0645\u0642\u0635\u0648\u0631\u0627\u062a \u0627\u0644\u0643\u062b\u064a\u0641\u0629<br>3) \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0642\u064a\u0645 \u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u062d\u0627\u0641\u0644\u0627\u062a \u0641\u064a \u0643\u0644 \u0645\u0643\u0627\u0646 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0648\u0642\u0639<br>4) \u062a\u062c\u0627\u0647\u0644 Icw\u060c \u062b\u0645 \u0627\u0643\u062a\u0634\u0627\u0641 \u0623\u0646 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629 \u0644\u064a\u0633\u062a \u0622\u0645\u0646\u0629<br>5) \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 BIL \u0643\u0625\u062c\u0631\u0627\u0621 \u0634\u0643\u0644\u064a \u0641\u064a \u062d\u064a\u0646 \u062a\u062e\u062a\u0644\u0641 \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0627\u0644\u0645\u0639\u062a\u0642\u0644\u064a\u0646<br>6) \u062a\u062c\u0627\u0647\u0644 TRV \u0641\u064a \u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a\/\u0627\u0644\u0642\u0628\u0639\u0627\u062a \u0627\u0644\u062b\u0642\u064a\u0644\u0629\u060c \u062b\u0645 \u0627\u0644\u0628\u062d\u062b \u0639\u0646 \u0623\u0639\u0631\u0627\u0636 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/p>\n\n\n\n<p>\u0625\u0630\u0627 \u0643\u0646\u062a \u063a\u064a\u0631 \u0645\u062a\u0623\u0643\u062f \u0645\u0646 \u062d\u0627\u062c\u062a\u0643 \u0625\u0644\u0649 \u0642\u0627\u0637\u0639 \u0623\u0648 \u0645\u0648\u0635\u0644\u060c \u0627\u0642\u0631\u0623:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/xbrele.com\/ar\/difference-between-vcb-and-contactor-in-electrical-systems\/\">\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 VCB \u0648\u0627\u0644\u0645\u0648\u0635\u0644<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/xbrele.com\/ar\/vacuum-contactor-vs-vacuum-circuit-breaker-medium-voltage-panel\/\">\u0645\u0648\u0635\u0644 \u0627\u0644\u0641\u0631\u0627\u063a \u0645\u0642\u0627\u0628\u0644 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a (\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0644\u0648\u062d\u0629)<\/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\">\u0623\u0633\u0626\u0644\u0629 \u0648\u0623\u062c\u0648\u0628\u0629 \u0642\u0635\u064a\u0631\u0629 (\u062a\u063a\u0637\u064a\u0629 \u0637\u0648\u064a\u0644\u0629 \u0627\u0644\u0623\u0645\u062f)<\/h2>\n\n\n\n<p><strong>\u0647\u0644 \u0641\u0626\u0629 12 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0646\u0638\u0627\u0645 11 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a\u061f<\/strong><br>\u063a\u0627\u0644\u0628\u064b\u0627 \u0646\u0639\u0645. \u0627\u0633\u062a\u062e\u062f\u0645 \u0641\u0626\u0629 \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u0644\u060c \u0648\u0644\u064a\u0633 \u0627\u0644\u0627\u0633\u0645 \u0627\u0644\u0645\u0633\u062a\u0639\u0627\u0631 \u0644\u0644\u0645\u063a\u0630\u064a.<\/p>\n\n\n\n<p><strong>\u0645\u0627 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0645\u0642\u0627\u0637\u0639\u0629 kA \u0648 Icw\u061f<\/strong><br>kA \u0647\u0648 \u0645\u0627 \u064a\u0645\u0643\u0646 \u0644\u0644\u0642\u0627\u0637\u0639 \u0623\u0646 \u064a\u0642\u0637\u0639\u0647\u061b Icw \u0647\u0648 \u0645\u0627 \u064a\u0645\u0643\u0646\u0647 \u062a\u062d\u0645\u0644\u0647 \u0644\u0641\u062a\u0631\u0629 \u0645\u0646 \u0627\u0644\u0648\u0642\u062a \u0623\u062b\u0646\u0627\u0621 \u062a\u0623\u062e\u064a\u0631 \u0627\u0644\u062a\u0646\u0633\u064a\u0642.<\/p>\n\n\n\n<p><strong>\u0645\u0627\u0630\u0627 \u064a\u0639\u0646\u064a \u201c\u0625\u063a\u0644\u0627\u0642 \u0648\u0645\u0632\u0644\u0627\u062c\u201d\u061f<\/strong><br>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0642\u0631\u064a\u0628\u0629: \u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u062a\u062d\u0645\u0644 \u0627\u0644\u0642\u0648\u0649 \u0627\u0644\u0642\u0635\u0648\u0649 \u0648\u0627\u0644\u0628\u0642\u0627\u0621 \u0645\u063a\u0644\u0642\u064b\u0627.<\/p>\n\n\n\n<p><strong>\u0647\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0641\u064a \u0627\u0644\u0642\u0627\u0637\u0639 \u0628\u0645\u0639\u064a\u0627\u0631 kA \u0648\u0644\u0643\u0646\u0647 \u0644\u0627 \u064a\u0632\u0627\u0644 \u064a\u0639\u064a\u062f \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u061f<\/strong><br>\u0646\u0639\u0645. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062a\u0633\u0628\u0628 TRV\/RRRV \u0641\u064a \u062d\u062f\u0648\u062b \u0625\u0639\u0627\u062f\u0629 \u062a\u0634\u063a\u064a\u0644 \u0641\u064a \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0643\u0627\u0628\u0644\u0627\u062a\/\u0645\u0643\u062b\u0641\u0627\u062a \u062b\u0642\u064a\u0644\u0629.<\/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\">\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0648\u0627\u0644\u0645\u0631\u0627\u062c\u0639 (\u0627\u0644\u0633\u0644\u0637\u0629)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IEC 62271-100 (AC circuit-breakers): <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>IEEE C37.04 (ratings &amp; requirements): <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>IEEE C37.09 (test procedures): <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\">\u0633\u062c\u0644 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0627\u062a<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2025-12-22: \u062a\u0648\u0633\u064a\u0639 \u0639\u0627\u0626\u0644\u0629 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 (kA + Icw + \u0635\u0646\u0639\/\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0645\u0632\u0644\u0627\u062c)\u060c \u0625\u0636\u0627\u0641\u0629 \u0641\u0627\u062d\u0635 TRV\u060c \u0625\u0636\u0627\u0641\u0629 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u064a\u0646 IEC \u0648 IEEE\u060c \u0625\u0636\u0627\u0641\u0629 \u0645\u0633\u0631\u062f \u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0648\u0623\u0633\u0626\u0644\u0629 \u0648\u0623\u062c\u0648\u0628\u0629 \u0645\u0635\u063a\u0631\u0629\u060c \u0625\u0636\u0627\u0641\u0629 \u0645\u062e\u0637\u0637 \u062a\u062e\u0637\u064a\u0637\u064a (4 \u0623\u0634\u0643\u0627\u0644 + \u0645\u064a\u0632\u0629).<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\ufeff Quick Takeaway (60 seconds) A safe VCB selection is not \u201ckV + A\u201d. You must validate insulation (kV class + BIL\/LIWV), fault duty (interrupting kA + Icw + making\/close-latch), and transients (TRV\/RRRV) against the short-circuit study at the breaker location and the project\u2019s IEC\/IEEE standard. kV \/ Ur: equipment class A \/ Ir: thermal [&hellip;]<\/p>\n","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\/ar\/wp-json\/wp\/v2\/posts\/2269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/comments?post=2269"}],"version-history":[{"count":4,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/posts\/2269\/revisions"}],"predecessor-version":[{"id":3539,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/posts\/2269\/revisions\/3539"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/media\/2274"}],"wp:attachment":[{"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/media?parent=2269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/categories?post=2269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/tags?post=2269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}