{"id":1071,"date":"2025-11-17T05:20:10","date_gmt":"2025-11-17T05:20:10","guid":{"rendered":"https:\/\/xbrele.com\/?page_id=1071"},"modified":"2025-11-28T16:56:21","modified_gmt":"2025-11-28T16:56:21","slug":"vacuum-circuit-breaker","status":"publish","type":"page","link":"https:\/\/xbrele.com\/it\/vacuum-circuit-breaker\/","title":{"rendered":"interruttore automatico sottovuoto"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-b7de7a4\" data-block-id=\"b7de7a4\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-b7de7a4-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-9882468\" data-v=\"4\" data-block-id=\"9882468\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-9882468-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-9882468-inner-blocks\">\n<section id=\"sec1-vcb-hero-styled\" style=\"position:relative;overflow:hidden;background-color:#020617;color:#e5e7eb;padding:200px 0 128px;\">\n  <style>\n    \/* --- \u6837\u5f0f\u6765\u6e90\uff1aContact Box Hero --- *\/\n\n    \/* \u57fa\u7840\u5b57\u4f53\u4e0e\u5bb9\u5668 *\/\n    #sec1-vcb-hero-styled {\n      font-family: system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Arial, sans-serif;\n      \/* \u8bbe\u7f6e\u80cc\u666f\u56fe - \u6765\u6e90\uff1aVCB Hero *\/\n      background-image: url('https:\/\/xbrele.com\/wp-content\/uploads\/2025\/11\/VCB-combine-banner-scaled.webp');\n      background-size: cover;\n      background-position: center;\n      background-repeat: no-repeat;\n    }\n\n    \/* \u6dfb\u52a0\u53e0\u52a0\u5c42 Overlay - \u6765\u6e90\uff1aContact Box Hero (\u5df2\u8c03\u4eae) *\/\n    #sec1-vcb-hero-styled::before {\n      content: '';\n      position: absolute;\n      top: 0;\n      left: 0;\n      right: 0;\n      bottom: 0;\n      background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.5) 0%, rgba(2, 6, 23, 0.85) 100%);\n      z-index: 1;\n    }\n\n    \/* \u786e\u4fdd\u5185\u5bb9\u5728\u53e0\u52a0\u5c42\u4e4b\u4e0a *\/\n    #sec1-vcb-hero-styled .hero-shell {\n      max-width: 1600px;\n      margin: 0 auto;\n      padding: 0 5vw;\n      position: relative;\n      z-index: 2;\n    }\n\n    \/* \u5de6\u53f3\u53cc\u5217\u5e03\u5c40 *\/\n    #sec1-vcb-hero-styled .hero-grid {\n      display: grid;\n      grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);\n      gap: 48px;\n      align-items: center;\n    }\n\n    \/* \u5de6\u4fa7\u6587\u672c\u533a\u6837\u5f0f *\/\n    #sec1-vcb-hero-styled .kicker {\n      text-transform: uppercase;\n      letter-spacing: .16em;\n      font-size: 12px;\n      font-weight: 600;\n      color: #38bdf8;\n      margin-bottom: 10px;\n    }\n\n    #sec1-vcb-hero-styled h1 {\n      font-size: 40px;\n      line-height: 1.1;\n      letter-spacing: -.03em;\n      margin: 0 0 14px;\n      color: #f9fafb;\n    }\n\n    #sec1-vcb-hero-styled p.sub {\n      max-width: 660px;\n      font-size: 16px;\n      line-height: 1.75;\n      margin: 0 0 20px;\n      color: #cbd5f5;\n      text-wrap: balance;\n    }\n\n    \/* VCB \u7279\u6709\u7684\u6309\u94ae\u6837\u5f0f (\u9002\u914d\u65b0\u4e3b\u9898) *\/\n    #sec1-vcb-hero-styled .vcb-cta-row {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 14px;\n      align-items: center;\n      margin-top: 24px;\n    }\n\n    #sec1-vcb-hero-styled .btn-primary {\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      padding: 0 26px;\n      height: 44px;\n      border-radius: 999px;\n      border: none;\n      background: #38bdf8; \/* \u4f7f\u7528\u65b0\u4e3b\u9898\u8272 *\/\n      color: #0B1120;\n      font-size: 14px;\n      font-weight: 600;\n      text-decoration: none;\n      cursor: pointer;\n      transition: background .2s ease, transform .2s ease, box-shadow .2s ease;\n      box-shadow: 0 18px 40px rgba(56, 189, 248, .35);\n    }\n\n    #sec1-vcb-hero-styled .btn-primary:hover {\n      background: #bae6fd;\n      transform: translateY(-1px);\n      box-shadow: 0 20px 48px rgba(56, 189, 248, .40);\n    }\n\n    #sec1-vcb-hero-styled .btn-ghost {\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      padding: 0 22px;\n      height: 44px;\n      border-radius: 999px;\n      border: 1px solid rgba(148, 163, 184, .6);\n      background: transparent;\n      color: #E5E7EB;\n      font-size: 14px;\n      font-weight: 500;\n      text-decoration: none;\n      cursor: pointer;\n      transition: background .2s ease, border-color .2s ease, color .2s ease;\n    }\n\n    #sec1-vcb-hero-styled .btn-ghost:hover {\n      background: rgba(15, 23, 42, .85);\n      border-color: #38bdf8;\n      color: #F9FAFB;\n    }\n\n\n    \/* \u53f3\u4fa7\u5361\u7247\u6837\u5f0f - \u6765\u6e90\uff1aContact Box Hero *\/\n    #sec1-vcb-hero-styled .hero-card {\n      position: relative;\n      border-radius: 20px;\n      padding: 22px 22px 18px;\n      background: radial-gradient(circle at top left, rgba(56, 189, 248, .20) 0, rgba(15, 23, 42, .95) 36%, rgba(15, 23, 42, 1) 100%);\n      border: 1px solid rgba(148, 163, 184, .4);\n      box-shadow: 0 18px 45px rgba(15, 23, 42, .9);\n      color: #e5e7eb;\n      min-height: 220px; \/* \u4fdd\u6301 VCB \u5361\u7247\u7684\u9ad8\u5ea6\u611f *\/\n    }\n\n    #sec1-vcb-hero-styled .hero-card h3 {\n      font-size: 15px;\n      text-transform: uppercase;\n      letter-spacing: .16em;\n      color: #bae6fd;\n      margin: 0 0 10px;\n    }\n\n    #sec1-vcb-hero-styled .hero-card p {\n      font-size: 13px;\n      line-height: 1.7;\n      color: #cbd5f5;\n      margin: 0 0 16px;\n    }\n\n    \/* VCB \u5361\u7247\u7279\u6709\u5143\u7d20\u6837\u5f0f (\u9002\u914d\u65b0\u4e3b\u9898) *\/\n    .vcb-hero-tag {\n      position: absolute;\n      top: 18px;\n      right: 18px;\n      padding: 4px 12px;\n      border-radius: 999px;\n      background: rgba(15, 23, 42, .8);\n      border: 1px solid rgba(56, 189, 248, .5); \/* \u8c03\u6574\u8fb9\u6846\u989c\u8272 *\/\n      font-size: 11px;\n      color: #bae6fd; \/* \u8c03\u6574\u6587\u5b57\u989c\u8272 *\/\n      white-space: nowrap;\n    }\n\n    .vcb-hero-note {\n      font-size: 12px;\n      color: #9ca3af;\n      line-height: 1.7;\n      margin-top: 20px;\n      border-top: 1px solid rgba(148, 163, 184, .2);\n      padding-top: 12px;\n    }\n\n\n    \/* \u54cd\u5e94\u5f0f\u9002\u914d *\/\n    @media(max-width:1000px) {\n      #sec1-vcb-hero-styled .hero-grid {\n        grid-template-columns: 1fr;\n      }\n    }\n\n    @media(max-width:690px) {\n      #sec1-vcb-hero-styled h1 {\n        font-size: 30px;\n      }\n      #sec1-vcb-hero-styled .hero-shell {\n        padding: 0 18px;\n      }\n    }\n  <\/style>\n\n  <div class=\"hero-shell\">\n    <div class=\"hero-grid\">\n\n      <div>\n        <div class=\"kicker\">MV &amp; HV VACUUM CIRCUIT BREAKERS<\/div>\n\n        <h1>Medium-Voltage Vacuum Circuit Breakers: From Standard Distribution to Severe Duty<\/h1>\n\n        <p class=\"sub\">\n          A complete portfolio covering indoor and outdoor protection. Featuring the industry-standard <strong>VS1<\/strong> for reliable distribution and the ultra-durable <strong>LZND series<\/strong> with electric repulsion technology for frequent switching applications.\n        <\/p>\n        <p class=\"sub\" style=\"font-size: 14px; color: #9ca3af; margin-top: -10px;\">\n          From outdoor pole-mounted ZW32\/ZW20 units to indoor metal-clad solutions, XBRELE helps OEMs and utilities build safer networks. Uniquely, we offer high-endurance VCBs (up to 300,000 operations) for mining and industrial automation.\n        <\/p>\n\n        <div class=\"vcb-cta-row\">\n          <a href=\"\/contact\/\" class=\"btn-primary\">Request a Quote<\/a>\n          <a href=\"\/vacuum-circuit-breaker\/#sec7-vcb-faq\" class=\"btn-ghost\">View selection FAQ<\/a>\n        <\/div>\n      <\/div>\n\n      <aside class=\"hero-card\">\n        <h3>VCB Portfolio Snapshot<\/h3>\n        <p>\n          Comprehensive indoor &amp; outdoor protection covering 12kV\u201340.5kV. Includes standard spring-operated units and advanced electric repulsion mechanisms.\n        <\/p>\n\n        <div class=\"vcb-hero-tag\">ZW32 \u00b7 VS1 \u00b7 LZND \u00b7 ZN85<\/div>\n\n        <div class=\"vcb-hero-note\">\n          Typical use cases: Utility distribution, KYN28 panels, and severe duty industrial switching (steel mills, mining).\n        <\/div>\n      <\/aside>\n\n    <\/div>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-d9a750e\" data-block-id=\"d9a750e\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-d9a750e-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-d669de1\" data-v=\"4\" data-block-id=\"d669de1\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-d669de1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-d669de1-inner-blocks\">\n<section id=\"sec2-vcb-overview\" style=\"padding:80px 0; background:#F9FAFB;\">\n  <style>\n    #sec2-vcb-overview .ov-shell{\n      max-width:1600px;\n      margin:0 auto;\n      padding:0 5vw;\n      font-family:system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Arial,sans-serif;\n      display:grid;\n      grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);\n      gap:40px;\n      align-items:center;\n      color:#0F172A;\n    }\n    @media(max-width:900px){\n      #sec2-vcb-overview .ov-shell{\n        grid-template-columns:1fr;\n      }\n    }\n    #sec2-vcb-overview .ov-kicker{\n      text-transform:uppercase;\n      letter-spacing:.16em;\n      font-size:12px;\n      font-weight:600;\n      color:#00B8B8;\n      margin-bottom:6px;\n    }\n    #sec2-vcb-overview h2{\n      font-size:28px;\n      margin:0 0 16px;\n    }\n    #sec2-vcb-overview .ov-lead{\n      font-size:15px;\n      line-height:1.9;\n      margin-bottom:16px;\n      color:#4B5563;\n    }\n    #sec2-vcb-overview .ov-body p{\n      font-size:15px;\n      line-height:1.9;\n      margin:0 0 10px;\n      color:#4B5563;\n    }\n    #sec2-vcb-overview .ov-panel{\n      background:#FFFFFF;\n      border-radius:16px;\n      border:1px solid #E5E7EB;\n      padding:22px 22px 20px;\n      box-shadow:0 8px 20px rgba(15,23,42,.04);\n    }\n    #sec2-vcb-overview .ov-panel h3{\n      margin:0 0 10px;\n      font-size:16px;\n    }\n    #sec2-vcb-overview .ov-meta-list{\n      list-style:none;\n      padding:0;\n      margin:0;\n      font-size:14px;\n      color:#4B5563;\n    }\n    #sec2-vcb-overview .ov-meta-list li{\n      display:flex;\n      justify-content:space-between;\n      padding:6px 0;\n      border-bottom:1px dashed #E5E7EB;\n    }\n    #sec2-vcb-overview .ov-meta-list li span:first-child{\n      opacity:.7;\n    }\n  <\/style>\n\n  <div class=\"ov-shell\">\n    <div>\n      <div class=\"ov-kicker\">Overview<\/div>\n      <h2>Reliable protection for 12kV\u201340.5kV networks<\/h2>\n      \n      <p class=\"ov-lead\">\n        XBRELE provides a comprehensive range of vacuum circuit breakers (VCBs) optimized for utility grids, industrial plants, and mining operations. Our portfolio spans from <strong>outdoor pole-mounted units<\/strong> (ZW32\/ZW20) to <strong>indoor metal-clad solutions<\/strong> (VS1\/ZN85).\n      <\/p>\n      \n      <div class=\"ov-body\">\n        <p>\n          Uniquely, we offer specialized solutions for <strong>frequent operation scenarios<\/strong>. Utilizing advanced <strong>electric repulsion mechanisms<\/strong> (LZND Series), we achieve mechanical lives up to 300,000 operations\u2014far exceeding industry norms for standard spring-operated breakers.\n        <\/p>\n        <p>\n          Whether you need a standard VCB for a KYN28 panel or a severe-duty breaker for an electric arc furnace, XBRELE ensures reliable switching performance in harsh environments, from high-altitude plateaus to humid coastal regions.\n        <\/p>\n      <\/div>\n    <\/div>\n\n    <aside class=\"ov-panel\">\n      <h3>Typical Technical Scope<\/h3>\n      <ul class=\"ov-meta-list\">\n        <li><span>Rated Voltage<\/span><span>12kV \/ 24kV \/ 40.5kV<\/span><\/li>\n        <li><span>Rated Current<\/span><span>630A \u2013 4000A<\/span><\/li>\n        <li><span>Short-Circuit Breaking<\/span><span>20kA \u2013 50kA<\/span><\/li>\n        <li><span>Mechanical Life<\/span><span>Up to 300,000 ops (LZND)<\/span><\/li>\n        <li><span>Operating Mechanism<\/span><span>Spring \/ Electric Repulsion<\/span><\/li>\n        <li><span>Application<\/span><span>Distribution \/ Frequent Switching<\/span><\/li>\n      <\/ul>\n    <\/aside>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-c296051\" data-block-id=\"c296051\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-c296051-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-db3676d\" data-v=\"4\" data-block-id=\"db3676d\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-db3676d-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-db3676d-inner-blocks\">\n<section id=\"sec3-vcb-series\" style=\"padding:90px 0;background:#F9FAFB;\">\n  <style>\n    #sec3-vcb-series .vcb-section-shell{\n      max-width:1600px;\n      margin:0 auto;\n      padding:0 5vw;\n      font-family:system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Arial,sans-serif;\n      color:#0F172A;\n    }\n\n    \/* \u9876\u90e8\u603b\u6807\u9898 *\/\n    #sec3-vcb-series .vcb-header{\n      max-width:820px;\n      margin:0 auto 48px;\n      text-align:center;\n    }\n    #sec3-vcb-series .vcb-kicker{\n      text-transform:uppercase;\n      letter-spacing:.16em;\n      font-size:12px;\n      font-weight:600;\n      color:#00B8B8;\n      margin-bottom:8px;\n    }\n    #sec3-vcb-series .vcb-header h2{\n      font-size:28px;\n      line-height:1.35;\n      margin:0 0 12px;\n      color:#111827;\n    }\n    #sec3-vcb-series .vcb-sub{\n      font-size:15px;\n      line-height:1.8;\n      color:#4B5563;\n      margin:0;\n    }\n\n    \/* \u6bcf\u4e00\u6761\u4ea7\u54c1 row *\/\n    #sec3-vcb-series .vcb-row{\n      display:grid;\n      grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);\n      column-gap:56px;\n      row-gap:32px;\n      align-items:center;\n      background:#FFFFFF;\n      border-radius:24px;\n      box-shadow:0 18px 45px rgba(15,23,42,0.08);\n      padding:32px 30px 30px;\n      margin-bottom:28px;\n    }\n\n    \/* \u4e2d\u95f4\u4e00\u6761\u53ef\u4ee5\u53cd\u8f6c\u4e00\u4e0b\u5e03\u5c40\uff0c\u7a0d\u5fae\u6709\u70b9\u53d8\u5316 *\/\n    #sec3-vcb-series .vcb-row.vcb-row-alt{\n      grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);\n    }\n\n    @media (max-width:1000px){\n      #sec3-vcb-series .vcb-row,\n      #sec3-vcb-series .vcb-row.vcb-row-alt{\n        grid-template-columns:1fr;\n      }\n    }\n\n    \/* \u5de6\u4fa7\u6587\u5b57\u5757 *\/\n    #sec3-vcb-series .vcb-text-kicker{\n      text-transform:uppercase;\n      letter-spacing:.16em;\n      font-size:12px;\n      font-weight:600;\n      color:#00B8B8;\n      margin-bottom:8px;\n    }\n    #sec3-vcb-series .vcb-row h3{\n      font-size:22px;\n      line-height:1.4;\n      margin:0 0 14px;\n      color:#111827;\n    }\n    #sec3-vcb-series .vcb-lead{\n      font-size:15px;\n      line-height:1.8;\n      color:#4B5563;\n      margin:0 0 16px;\n      max-width:640px;\n    }\n    #sec3-vcb-series .vcb-meta{\n      font-size:14px;\n      line-height:1.7;\n      color:#6B7280;\n      margin:0 0 18px;\n      max-width:640px;\n    }\n\n    #sec3-vcb-series .vcb-list-title{\n      font-size:13px;\n      font-weight:600;\n      text-transform:uppercase;\n      letter-spacing:.12em;\n      color:#9CA3AF;\n      margin-bottom:6px;\n    }\n    #sec3-vcb-series .vcb-list{\n      list-style:none;\n      padding:0;\n      margin:0;\n      display:grid;\n      grid-template-columns:repeat(2,minmax(0,1fr));\n      gap:6px 20px;\n      font-size:14px;\n      color:#4B5563;\n    }\n    @media (max-width:690px){\n      #sec3-vcb-series .vcb-list{\n        grid-template-columns:1fr;\n      }\n    }\n    #sec3-vcb-series .vcb-list li::before{\n      content:\"\";\n      display:inline-block;\n      width:6px;\n      height:6px;\n      border-radius:999px;\n      background:#00B8B8;\n      margin-right:8px;\n      transform:translateY(-1px);\n    }\n\n    \/* \u5e95\u90e8\u6587\u672c\u94fe\u63a5\u5230\u7cfb\u5217\u9875 *\/\n    #sec3-vcb-series .vcb-link{\n      display:inline-flex;\n      align-items:center;\n      gap:6px;\n      margin-top:14px;\n      font-size:13px;\n      font-weight:600;\n      color:#00B8B8;\n      text-decoration:none;\n    }\n    #sec3-vcb-series .vcb-link span{\n      font-size:15px;\n      line-height:1;\n    }\n\n    \/* \u53f3\u4fa7\u7ebf\u7a3f *\/\n    #sec3-vcb-series .vcb-figure-wrap{\n      position:relative;\n    }\n    #sec3-vcb-series .vcb-figure{\n      border-radius:18px;\n      background:#FFFFFF;\n      box-shadow:0 10px 30px rgba(15,23,42,0.08);\n      padding:24px 22px 22px;\n    }\n    #sec3-vcb-series .vcb-figure img{\n      display:block;\n      width:100%;\n      height:auto;\n    }\n    #sec3-vcb-series .vcb-figure-caption{\n      margin-top:10px;\n      font-size:12px;\n      line-height:1.6;\n      color:#9CA3AF;\n    }\n    #sec3-vcb-series .vcb-chip{\n      position:absolute;\n      top:14px;\n      right:18px;\n      padding:4px 12px;\n      font-size:11px;\n      border-radius:999px;\n      background:rgba(15,23,42,.88);\n      color:#E5E7EB;\n      border:1px solid rgba(148,163,184,.6);\n      text-transform:uppercase;\n      letter-spacing:.12em;\n      white-space:nowrap;\n    }\n    @media (max-width:1000px){\n      #sec3-vcb-series .vcb-chip{\n        position:static;\n        display:inline-block;\n        margin-bottom:10px;\n      }\n      #sec3-vcb-series .vcb-figure-wrap{\n        padding-top:6px;\n      }\n    }\n  <\/style>\n\n  <div class=\"vcb-section-shell\">\n\n    <div class=\"vcb-header\">\n      <div class=\"vcb-kicker\">Product Series<\/div>\n      <h2>ZW32, ZW20, VS1 and ZN85 \u2014 one MV vacuum circuit breaker portfolio<\/h2>\n      <p class=\"vcb-sub\">\n        From pole-mounted ZW32 and ZW20 outdoor units to VS1 and ZN85 indoor vacuum circuit breakers, XBRELE\n        provides a complete MV vacuum circuit breaker portfolio for 11kV\u201340.5kV distribution networks.\n      <\/p>\n    <\/div>\n\n    <div class=\"vcb-row\">\n      <div class=\"vcb-text\">\n        <div class=\"vcb-text-kicker\">ZW32 OUTDOOR VACUUM CIRCUIT BREAKER<\/div>\n        <h3>ZW32 pole-mounted vacuum circuit breaker for 11kV\u201333kV feeders<\/h3>\n        <p class=\"vcb-lead\">\n          ZW32 is XBRELE\u2019s outdoor pole-mounted vacuum circuit breaker for rural and urban distribution\n          networks. It combines vacuum interruption technology with reliable spring mechanisms to provide\n          fast fault clearing and sectionalizing on 11kV\u201333kV feeders.\n        <\/p>\n        <p class=\"vcb-meta\">\n          Typical applications include overhead line feeder breakers, auto-reclosing points and compact\n          pole-top substations where compact size, low maintenance and high reliability are critical.\n        <\/p>\n\n        <div class=\"vcb-list-title\">Key features at a glance<\/div>\n        <ul class=\"vcb-list\">\n          <li>Rated voltage up to 36kV, breaking current up to 25\u201331.5kA<\/li>\n          <li>Single-shot or multi-shot auto-reclosing schemes<\/li>\n          <li>Outdoor epoxy or porcelain insulators for polluted areas<\/li>\n          <li>Motorized operating mechanism for remote control &#038; automation<\/li>\n          <li>Compact pole-mounted design with flexible mounting brackets<\/li>\n          <li>Customizable for OEM switchgear panels and utility standards<\/li>\n        <\/ul>\n\n        <a class=\"vcb-link\" href=\"\/vacuum-circuit-breaker\/zw32-vacuum-circuit-breaker\/\">\n          View ZW32 vacuum circuit breaker series <span>\u2192<\/span>\n        <\/a>\n      <\/div>\n\n      <div class=\"vcb-figure-wrap\">\n        <span class=\"vcb-chip\">ZW32 SERIES<\/span>\n        <div class=\"vcb-figure\">\n          <img decoding=\"async\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/11\/XBRELE-ZW32-LINE-ART.webp\"\n               alt=\"ZW32 outdoor vacuum circuit breaker line-art illustration by XBRELE\">\n          <div class=\"vcb-figure-caption\">\n            Line-art view of the ZW32 outdoor vacuum circuit breaker \u2014 showing three-phase pole-mounted design,\n            post insulators and operating mechanism layout.\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"vcb-row vcb-row-alt\">\n      <div class=\"vcb-figure-wrap\">\n        <span class=\"vcb-chip\">ZW20 SERIES<\/span>\n        <div class=\"vcb-figure\">\n          <img decoding=\"async\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/11\/XBRELE-ZW20-LINE-ART.webp\"\n               alt=\"ZW20 SF6 vacuum recloser and sectionalizer line-art illustration by XBRELE\">\n          <div class=\"vcb-figure-caption\">\n            Line-art view of the ZW20 vacuum recloser \/ sectionalizer \u2014 showing SF6 tank, operating\n            mechanism and bushing layout for MV feeder automation.\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"vcb-text\">\n        <div class=\"vcb-text-kicker\">ZW20 VACUUM RECLOSER \/ SECTIONALIZER<\/div>\n        <h3>ZW20 SF6 vacuum recloser for smart feeder automation<\/h3>\n        <p class=\"vcb-lead\">\n          ZW20 is XBRELE\u2019s SF6-insulated vacuum recloser and sectionalizer for MV distribution feeders.\n          It integrates vacuum interrupters, current transformers and intelligent control to deliver\n          fast, selective fault clearing and self-healing distribution networks.\n        <\/p>\n        <p class=\"vcb-meta\">\n          Typical use cases include feeder automation schemes, loop and radial networks, smart recloser\n          points and pole-top substations where remote control and high reliability are required.\n        <\/p>\n\n        <div class=\"vcb-list-title\">Key features at a glance<\/div>\n        <ul class=\"vcb-list\">\n          <li>11kV\u201324kV SF6 tank-type vacuum recloser up to 25kA<\/li>\n          <li>Configurable single-shot \/ multi-shot reclosing curves<\/li>\n          <li>Integrated CTs &#038; VT inputs for protection and metering<\/li>\n          <li>Remote control via RTU \/ SCADA \/ IEC 60870 \/ IEC 61850 (on request)<\/li>\n          <li>Sectionalizer logic for improved service continuity<\/li>\n          <li>Compact pole-mounted design for fast installation<\/li>\n        <\/ul>\n\n        <a class=\"vcb-link\" href=\"\/vacuum-circuit-breaker\/zw20-vacuum-circuit-breaker\/\">\n          View ZW20 vacuum recloser series <span>\u2192<\/span>\n        <\/a>\n      <\/div>\n    <\/div>\n\n    <div class=\"vcb-row\">\n      <div class=\"vcb-text\">\n        <div class=\"vcb-text-kicker\">VS1 &#038; LZND INDOOR CIRCUIT BREAKER SERIES<\/div>\n        \n        <h3>VS1 &#038; LZND indoor vacuum circuit breakers for 12kV\u201324kV switchgear<\/h3>\n        \n        <p class=\"vcb-lead\">\n          This series combines the industry-standard <strong>VS1<\/strong> for general 12kV\u201324kV distribution with the premium <strong>LZND<\/strong> for severe duty. While VS1 offers reliable protection for KYN28 panels, LZND features a unique <strong>electric repulsion mechanism<\/strong>, delivering an ultra-long life of <strong>300,000 operations<\/strong>.\n        <\/p>\n        <p class=\"vcb-meta\">\n          The portfolio covers all indoor needs: from utility feeders to demanding industrial applications like soft starters, electric arc furnaces, and mining equipment where frequent switching is critical.\n        <\/p>\n\n        <div class=\"vcb-list-title\">Key features at a glance<\/div>\n        <ul class=\"vcb-list\">\n          <li>Comprehensive range: 12kV (LZND) to 24kV (VS1)<\/li>\n          <li>Standard spring (VS1) or electric repulsion mechanism (LZND)<\/li>\n          <li>Life: Standard endurance vs <strong>300,000 ops (LZND)<\/strong><\/li>\n          <li>Available in withdrawable truck or fixed-mounted designs<\/li>\n          <li>Optimized for KYN28 panels and frequent operation duty<\/li>\n          <li>Maintenance-free options for severe industrial environments<\/li>\n        <\/ul>\n\n        <a class=\"vcb-link\" href=\"\/vacuum-circuit-breaker\/vs1-vacuum-circuit-breaker\/\">\n          View VS1 &#038; LZND vacuum circuit breaker series <span>\u2192<\/span>\n        <\/a>\n      <\/div>\n\n      <div class=\"vcb-figure-wrap\">\n        <span class=\"vcb-chip\">VS1 \/ LZND SERIES<\/span>\n        <div class=\"vcb-figure\">\n          <img decoding=\"async\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/11\/XBRELE-vs1-line-art.webp\"\n               alt=\"VS1 indoor vacuum circuit breaker line-art illustration by XBRELE\">\n          <div class=\"vcb-figure-caption\">\n            Line-art view of the VS1 indoor vacuum circuit breaker \u2014 showing withdrawable truck,\n            front panel layout and main connection interfaces for 12kV\u201324kV switchgear.\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"vcb-row vcb-row-alt\">\n      <div class=\"vcb-figure-wrap\">\n        <span class=\"vcb-chip\">ZN85 SERIES<\/span>\n        <div class=\"vcb-figure\">\n          <img decoding=\"async\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2025\/11\/XBRELE-zn85-line-art.webp\"\n               alt=\"ZN85 40.5kV indoor vacuum circuit breaker line-art illustration by XBRELE\">\n          <div class=\"vcb-figure-caption\">\n            Line-art view of the ZN85 indoor vacuum circuit breaker \u2014 showing high-voltage insulation\n            distances, fixed and withdrawable arrangements for 40.5kV metal-clad switchgear.\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"vcb-text\">\n        <div class=\"vcb-text-kicker\">ZN85 INDOOR VACUUM CIRCUIT BREAKER<\/div>\n        <h3>ZN85 40.5kV indoor vacuum circuit breaker for high-voltage switchgear<\/h3>\n        <p class=\"vcb-lead\">\n          ZN85 is XBRELE\u2019s 40.5kV indoor vacuum circuit breaker for high-voltage metal-clad switchgear.\n          It is designed for primary substations and heavy-duty industrial distribution systems requiring\n          high insulation levels and reliable interruption performance.\n        <\/p>\n        <p class=\"vcb-meta\">\n          Typical applications include 35kV\u201340.5kV utility substations, heavy industry, primary feeders\n          and transformer protection panels using KYN61 and similar switchgear types.\n        <\/p>\n\n        <div class=\"vcb-list-title\">Key features at a glance<\/div>\n        <ul class=\"vcb-list\">\n          <li>ZN85 vacuum circuit breaker for 40.5kV switchgear<\/li>\n          <li>High creepage distance and insulation levels for HV applications<\/li>\n          <li>Compatible with KYN61 and other 40.5kV metal-clad panel designs<\/li>\n          <li>Spring-operated mechanism with robust mechanical endurance<\/li>\n          <li>Customizable for OEM panel builders and retrofit projects<\/li>\n          <li>Ideal for primary substations and heavy industrial power systems<\/li>\n        <\/ul>\n\n        <a class=\"vcb-link\" href=\"\/vacuum-circuit-breaker\/zn85-vacuum-circuit-breaker\/\">\n          View ZN85 vacuum circuit breaker series <span>\u2192<\/span>\n        <\/a>\n      <\/div>\n    <\/div>\n\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-b9b09da\" data-block-id=\"b9b09da\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-b9b09da-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-358dd09\" data-v=\"4\" data-block-id=\"358dd09\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-358dd09-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-358dd09-inner-blocks\">\n<section id=\"sec4-vcb-technical\" style=\"padding:80px 0; background:#F3F4F6;\">\n  <style>\n    #sec4-vcb-technical .tc-shell{\n      max-width:1600px;\n      margin:0 auto;\n      padding:0 5vw;\n      font-family:system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Arial,sans-serif;\n      color:#0F172A;\n      display:grid;\n      grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);\n      gap:40px;\n      align-items:center; \/* \u5782\u76f4\u5c45\u4e2d *\/\n    }\n    @media(max-width:900px){\n      #sec4-vcb-technical .tc-shell{\n        grid-template-columns:1fr;\n      }\n    }\n    #sec4-vcb-technical .tc-kicker{\n      text-transform:uppercase;\n      letter-spacing:.16em;\n      font-size:12px;\n      font-weight:600;\n      color:#00B8B8;\n      margin-bottom:6px;\n    }\n    #sec4-vcb-technical h2{\n      font-size:28px;\n      margin:0 0 14px;\n    }\n    #sec4-vcb-technical .tc-lead{\n      font-size:15px;\n      color:#4B5563;\n      margin:0 0 16px;\n      line-height:1.9;\n    }\n    #sec4-vcb-technical ul.tc-list{\n      list-style:disc;\n      padding-left:18px;\n      margin:0;\n      font-size:15px;\n      color:#4B5563;\n    }\n    #sec4-vcb-technical ul.tc-list li{\n      margin-bottom:8px;\n    }\n    #sec4-vcb-technical .tc-panel{\n      background:#FFFFFF;\n      border-radius:16px;\n      border:1px solid #E5E7EB;\n      padding:18px 20px;\n      box-shadow:0 8px 18px rgba(15,23,42,.05);\n    }\n    #sec4-vcb-technical table{\n      width:100%;\n      border-collapse:collapse;\n      font-size:14px;\n    }\n    #sec4-vcb-technical th,\n    #sec4-vcb-technical td{\n      padding:8px 6px;\n      border-bottom:1px solid #E5E7EB;\n      text-align:left;\n      white-space:nowrap;\n    }\n    #sec4-vcb-technical th{\n      font-weight:600;\n      color:#374151;\n    }\n  <\/style>\n\n  <div class=\"tc-shell\">\n    <div>\n      <div class=\"tc-kicker\">Technical Features<\/div>\n      <h2>Advanced operating mechanisms, insulation, and performance parameters<\/h2>\n      \n      <p class=\"tc-lead\">\n        XBRELE medium-voltage vacuum circuit breakers are built around high-performance vacuum interrupters, epoxy embedded poles, and robust operating mechanisms. Whether utilizing standard spring technology or advanced <strong>electric repulsion mechanisms<\/strong>, our VCBs are engineered for reliable switching in outdoor lines and severe indoor industrial applications.\n      <\/p>\n      \n      <ul class=\"tc-list\">\n        <li><strong>High Mechanical Endurance:<\/strong> From standard 30,000 operations (VS1) up to <strong>300,000 operations (LZND)<\/strong> for frequent switching duties.<\/li>\n        <li><strong>Short-Circuit Breaking:<\/strong> Capability up to <strong>50kA<\/strong> depending on rating, suitable for heavy-duty industrial protection.<\/li>\n        <li><strong>Robust Insulation:<\/strong> Epoxy embedded poles tested for pollution, altitude, and humidity to ensure consistent dielectric performance.<\/li>\n        <li><strong>Mechanism Choice:<\/strong> Reliable spring-operated mechanisms for distribution or <strong>electric repulsion mechanisms<\/strong> for ultra-fast response and long life.<\/li>\n        <li><strong>Full Compliance:<\/strong> Routine and type testing in accordance with IEC 62271-100 \/ 111 and specific customer requirements.<\/li>\n      <\/ul>\n    <\/div>\n\n    <aside class=\"tc-panel\">\n      <table>\n        <thead>\n          <tr>\n            <th>Parameter<\/th>\n            <th>Typical Value<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>Rated voltage classes<\/td>\n            <td>12kV \/ 24kV \/ 40.5kV<\/td>\n          <\/tr>\n          <tr>\n            <td>Rated continuous current<\/td>\n            <td>630A \u2013 4000A<\/td>\n          <\/tr>\n          <tr>\n            <td>Short-circuit breaking current<\/td>\n            <td>20kA \u2013 50kA<\/td>\n          <\/tr>\n          <tr>\n            <td>Mechanical endurance<\/td>\n            <td>30,000 \u2013 <strong>300,000 ops<\/strong><\/td>\n          <\/tr>\n          <tr>\n            <td>Typical duty cycle<\/td>\n            <td>Distribution \/ Recloser \/ Frequent Switching<\/td>\n          <\/tr>\n          <tr>\n            <td>Control &amp; monitoring<\/td>\n            <td>Local \/ Remote SCADA \/ RTU<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/aside>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-ad9a01a\" data-block-id=\"ad9a01a\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-ad9a01a-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f57a96c\" data-v=\"4\" data-block-id=\"f57a96c\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f57a96c-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f57a96c-inner-blocks\">\n<section id=\"sec5-vcb-applications\" style=\"padding:80px 0; background:#FFFFFF;\">\n  <style>\n    #sec5-vcb-applications .ap-shell{\n      max-width:1600px;\n      margin:0 auto;\n      padding:0 5vw;\n      font-family:system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Arial,sans-serif;\n      color:#0F172A;\n    }\n    #sec5-vcb-applications .ap-header{\n      max-width:760px;\n      margin:0 auto 40px;\n      text-align:center;\n    }\n    #sec5-vcb-applications .ap-kicker{\n      text-transform:uppercase;\n      letter-spacing:.16em;\n      font-size:12px;\n      font-weight:600;\n      color:#00B8B8;\n      margin-bottom:6px;\n    }\n    #sec5-vcb-applications h2{\n      font-size:28px;\n      margin:0 0 10px;\n    }\n    #sec5-vcb-applications .ap-sub{\n      font-size:15px;\n      color:#4B5563;\n    }\n    #sec5-vcb-applications .ap-grid{\n      display:grid;\n      grid-template-columns:repeat(4,minmax(0,1fr));\n      gap:18px;\n    }\n    @media(max-width:1100px){\n      #sec5-vcb-applications .ap-grid{\n        grid-template-columns:repeat(2,minmax(0,1fr));\n      }\n    }\n    @media(max-width:700px){\n      #sec5-vcb-applications .ap-grid{\n        grid-template-columns:1fr;\n      }\n    }\n    #sec5-vcb-applications .ap-card{\n      border-radius:16px;\n      border:1px solid #E5E7EB;\n      padding:18px 16px 16px;\n      background:#F9FAFB;\n      font-size:14px;\n      color:#4B5563;\n    }\n    #sec5-vcb-applications .ap-card h3{\n      font-size:15px;\n      margin:0 0 6px;\n      color:#111827;\n    }\n  <\/style>\n\n  <div class=\"ap-shell\">\n    <div class=\"ap-header\">\n      <div class=\"ap-kicker\">Applications<\/div>\n      <h2>From distribution grids to severe industrial duty<\/h2>\n      <p class=\"ap-sub\">\n        XBRELE vacuum circuit breakers provide reliable medium-voltage protection across overhead lines and metal-clad switchgear. We support utilities, OEMs, and heavy industries with solutions ranging from standard distribution to <strong>frequent operation<\/strong> scenarios.\n      <\/p>\n    <\/div>\n\n    <div class=\"ap-grid\">\n      <article class=\"ap-card\">\n        <h3>Utility MV distribution networks<\/h3>\n        <p>\n          Vacuum circuit breakers for feeder protection, automatic recloser points and sectionalizing on\n          11kV\u201333kV overhead lines, pole-mounted systems and compact substations.\n        <\/p>\n      <\/article>\n\n      <article class=\"ap-card\">\n        <h3>Heavy Industry &#038; Mining<\/h3>\n        <p>\n          Severe-duty VCBs for <strong>electric arc furnaces<\/strong>, rolling mills, mining hoists, and petrochemical facilities where high reliability and <strong>frequent switching<\/strong> are essential.\n        <\/p>\n      <\/article>\n\n      <article class=\"ap-card\">\n        <h3>Renewables &#038; Soft Starters<\/h3>\n        <p>\n          MV interface protection for solar\/wind farms and battery storage. Ideal for <strong>high-voltage soft starter<\/strong> cabinets requiring robust switching and longevity.\n        <\/p>\n      <\/article>\n\n      <article class=\"ap-card\">\n        <h3>OEM panels &#038; replacement projects<\/h3>\n        <p>\n          Integrated into KYN, XGN, HXGN and custom MV switchgear panels \u2014 also available as replacements\n          or equivalent options for legacy and branded vacuum circuit breaker models.\n        <\/p>\n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-ebf30fc\" data-block-id=\"ebf30fc\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-ebf30fc-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ca664ce\" data-v=\"4\" data-block-id=\"ca664ce\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ca664ce-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ca664ce-inner-blocks\">\n<section id=\"sec6-vcb-why-xbrele\" style=\"padding:80px 0; background:#0F172A; color:#E5E7EB;\">\n  <style>\n    #sec6-vcb-why-xbrele .wh-shell{\n      max-width:1600px;\n      margin:0 auto;\n      padding:0 5vw;\n      font-family:system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Arial,sans-serif;\n    }\n    #sec6-vcb-why-xbrele .wh-header{\n      max-width:760px;\n      margin:0 auto 40px;\n      text-align:center;\n    }\n    #sec6-vcb-why-xbrele .wh-kicker{\n      text-transform:uppercase;\n      letter-spacing:.16em;\n      font-size:12px;\n      font-weight:600;\n      color:#00B8B8;\n      margin-bottom:6px;\n    }\n    #sec6-vcb-why-xbrele h2{\n      font-size:28px;\n      margin:0 0 10px;\n      color:#F9FAFB;\n    }\n    #sec6-vcb-why-xbrele .wh-sub{\n      font-size:15px;\n      color:#9CA3AF;\n    }\n    #sec6-vcb-why-xbrele .wh-grid{\n      display:grid;\n      grid-template-columns:repeat(4,minmax(0,1fr));\n      gap:18px;\n      margin-top:10px;\n    }\n    @media(max-width:1100px){\n      #sec6-vcb-why-xbrele .wh-grid{\n        grid-template-columns:repeat(2,minmax(0,1fr));\n      }\n    }\n    @media(max-width:700px){\n      #sec6-vcb-why-xbrele .wh-grid{\n        grid-template-columns:1fr;\n      }\n    }\n    #sec6-vcb-why-xbrele .wh-card{\n      border-radius:16px;\n      border:1px solid rgba(148,163,184,.35);\n      padding:18px 16px 16px;\n      background:rgba(15,23,42,.8);\n      font-size:14px;\n      color:#E5E7EB;\n    }\n    #sec6-vcb-why-xbrele .wh-card h3{\n      font-size:15px;\n      margin:0 0 6px;\n      color:#F9FAFB;\n    }\n  <\/style>\n  <div class=\"wh-shell\">\n    <div class=\"wh-header\">\n      <div class=\"wh-kicker\">Why XBRELE<\/div>\n      <h2>Component-level expertise, system-level understanding<\/h2>\n      <p class=\"wh-sub\">\n        XBRELE is not just an assembler. We design and manufacture core components in-house\u2014from vacuum interrupters to advanced **electric repulsion mechanisms**\u2014giving us unique flexibility to meet both standard OEM needs and severe industrial requirements.\n      <\/p>\n    <\/div>\n    <div class=\"wh-grid\">\n      <article class=\"wh-card\">\n        <h3>In-House Core Technology<\/h3>\n        <p>\n          We manufacture our own vacuum interrupters, embedded poles, and specialized **electric repulsion mechanisms**, ensuring complete quality control from component to assembly.\n        <\/p>\n      <\/article>\n      <article class=\"wh-card\">\n        <h3>Proven in Harsh Industries<\/h3>\n        <p>\n          Extensive experience supplying high-endurance VCBs for mining, metallurgy, and cement plants, alongside standard utility projects in India, Russia, and the Middle East.\n        <\/p>\n      <\/article>\n      <article class=\"wh-card\">\n        <h3>Flexible Customization<\/h3>\n        <p>\n          Whether you need a standard KYN28 retrofit or a custom **frequent-operation** breaker solution, we adapt our designs to fit your specific panel and performance needs.\n        <\/p>\n      <\/article>\n      <article class=\"wh-card\">\n        <h3>Rigorous Verification<\/h3>\n        <p>\n          Our VCBs undergo strict routine and type testing, including C2 capacitive switching validation and mechanical endurance tests up to **300,000 operations**.\n        <\/p>\n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-6d93add\" id=\"sec7-vcb-faq\" data-block-id=\"6d93add\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6d93add-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0c38a25\" data-v=\"4\" data-block-id=\"0c38a25\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0c38a25-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-0c38a25-inner-blocks\">\n<section id=\"sec7-vcb-faq\" style=\"padding:90px 0; background:#F9FAFB;\">\n  <style>\n    #sec7-vcb-faq .faq-shell{\n      max-width:1600px;\n      margin:0 auto;\n      padding:0 5vw;\n      font-family:system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Arial,sans-serif;\n      color:#0F172A;\n    }\n    #sec7-vcb-faq .faq-header{\n      max-width:760px;\n      margin:0 auto 40px;\n      text-align:center;\n    }\n    #sec7-vcb-faq .faq-kicker{\n      text-transform:uppercase;\n      letter-spacing:.16em;\n      font-size:12px;\n      font-weight:600;\n      color:#00B8B8;\n      margin-bottom:6px;\n    }\n    #sec7-vcb-faq h2{\n      font-size:28px;\n      margin:0 0 10px;\n    }\n    #sec7-vcb-faq .faq-sub{\n      font-size:15px;\n      color:#4B5563;\n    }\n    #sec7-vcb-faq .faq-list{\n      max-width:860px;\n      margin:0 auto;\n    }\n    #sec7-vcb-faq details{\n      border-radius:12px;\n      border:1px solid #E5E7EB;\n      background:#FFFFFF;\n      padding:12px 16px;\n      margin-bottom:10px;\n    }\n    #sec7-vcb-faq summary{\n      list-style:none;\n      cursor:pointer;\n      font-size:15px;\n      font-weight:600;\n      color:#111827;\n    }\n    #sec7-vcb-faq summary::-webkit-details-marker{\n      display:none;\n    }\n    #sec7-vcb-faq details[open]{\n      border-color:#00B8B8;\n      box-shadow:0 10px 24px rgba(15,23,42,.05);\n    }\n    #sec7-vcb-faq details div{\n      font-size:14px;\n      color:#4B5563;\n      margin-top:8px;\n      line-height:1.8;\n    }\n    #sec7-vcb-faq .faq-cta{\n      margin-top:24px;\n      text-align:center;\n      font-size:14px;\n      color:#4B5563;\n    }\n    #sec7-vcb-faq .faq-cta a{\n      color:#00B8B8;\n      font-weight:600;\n      text-decoration:none;\n    }\n  <\/style>\n  <div class=\"faq-shell\">\n    <div class=\"faq-header\">\n      <div class=\"faq-kicker\">FAQ<\/div>\n      <h2>Frequently asked questions about vacuum circuit breakers<\/h2>\n      <p class=\"faq-sub\">\n        Short answers to typical questions from panel builders, EPC contractors and utilities.\n      <\/p>\n    <\/div>\n    <div class=\"faq-list\">\n      <details>\n        <summary>How do I choose between ZW32, ZW20, VS1 and LZND series?<\/summary>\n        <div>\n          ZW32\/ZW20 are for outdoor pole-mounted use. VS1 is the standard indoor breaker for KYN28 panels. **Choose the LZND series** if your application requires frequent switching (e.g., electric arc furnaces, soft starters) or ultra-high mechanical life (300,000 ops).\n        <\/div>\n      <\/details>\n      <details>\n        <summary>What voltage and short-circuit levels do you cover?<\/summary>\n        <div>\n          We cover 11kV, 12kV, 24kV, and 40.5kV levels. Short-circuit breaking capacity ranges from standard 20kA up to **50kA** for heavy-duty industrial protection.\n        <\/div>\n      <\/details>\n      <details>\n        <summary>When should I use an electric repulsion VCB (LZND) instead of a standard spring VCB?<\/summary>\n        <div>\n          Standard spring VCBs (like VS1) typically last 20,000\u201330,000 operations. If your equipment operates dozens of times a day (e.g., mining hoists, metallurgy), standard springs will fail quickly. The LZND&#8217;s electric repulsion mechanism is designed for **300,000 operations** and is maintenance-free, making it the cost-effective choice for severe duty.\n        <\/div>\n      <\/details>\n      <details>\n        <summary>Can your VCBs replace other brands?<\/summary>\n        <div>\n          Yes. We provide compatible replacements for existing switchgear, considering mechanical interfaces and electrical ratings. Retrofitting with our high-endurance LZND series can significantly extend the maintenance intervals of older panels.\n        <\/div>\n      <\/details>\n      <details>\n        <summary>What standards do you comply with?<\/summary>\n        <div>\n          Our designs follow IEC 62271-100 (AC circuit breakers) and IEC 62271-111 (Reclosers). We conduct full routine tests and specific type tests like C2 capacitive switching and M2 mechanical endurance.\n        <\/div>\n      <\/details>\n      <details>\n        <summary>Do you supply components separately?<\/summary>\n        <div>\n          Yes. We supply vacuum interrupters, embedded poles, and operating mechanisms (spring or electric repulsion) to OEM panel builders.\n        <\/div>\n      <\/details>\n    <\/div>\n    <div class=\"faq-cta\">\n      Still have questions? <a href=\"\/contact\/\">Send us your single-line diagram<\/a> and our engineers will suggest the optimal VCB configuration.\n    <\/div>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>MV &amp; HV VACUUM CIRCUIT BREAKERS Medium-Voltage Vacuum Circuit Breakers: From Standard Distribution to Severe Duty A complete portfolio covering indoor and outdoor protection. Featuring the industry-standard VS1 for reliable distribution and the ultra-durable LZND series with electric repulsion technology for frequent switching applications. From outdoor pole-mounted ZW32\/ZW20 units to indoor metal-clad solutions, XBRELE helps [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-1071","page","type-page","status-publish","hentry"],"blocksy_meta":{"has_hero_section":"disabled","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6},"page_structure_type":"default","content_style_source":"inherit","disable_header":"no","disable_featured_image":"yes","vertical_spacing_source":"custom","content_area_spacing":"none"},"_links":{"self":[{"href":"https:\/\/xbrele.com\/it\/wp-json\/wp\/v2\/pages\/1071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xbrele.com\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/xbrele.com\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/xbrele.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xbrele.com\/it\/wp-json\/wp\/v2\/comments?post=1071"}],"version-history":[{"count":25,"href":"https:\/\/xbrele.com\/it\/wp-json\/wp\/v2\/pages\/1071\/revisions"}],"predecessor-version":[{"id":1446,"href":"https:\/\/xbrele.com\/it\/wp-json\/wp\/v2\/pages\/1071\/revisions\/1446"}],"wp:attachment":[{"href":"https:\/\/xbrele.com\/it\/wp-json\/wp\/v2\/media?parent=1071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}