{"id":746,"date":"2025-08-28T14:48:21","date_gmt":"2025-08-28T14:48:21","guid":{"rendered":"https:\/\/cnkuangya.com\/?page_id=746"},"modified":"2026-04-15T10:30:12","modified_gmt":"2026-04-15T02:30:12","slug":"fuse-holder-rt18","status":"publish","type":"page","link":"https:\/\/cnkuangya.com\/pt\/fuse-holder-rt18\/","title":{"rendered":"Fus\u00edvel CA"},"content":{"rendered":"<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-97ba737\" data-block-id=\"97ba737\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-97ba737-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7564400\" data-v=\"4\" data-block-id=\"7564400\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7564400-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-7564400-inner-blocks\">\n<!-- ===== SEC1 \u2014 Hero Banner with Gradient Overlay ===== -->\n<section id=\"sec-hero\" style=\"  position:relative;  background:url('https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/banner.png') center\/cover no-repeat;  padding-top:100px;  padding-bottom:70px;  text-align:center;  color:#fff;\">\n  <!-- \u6e10\u53d8\u7070\u8272\u906e\u7f69 -->\n  <div style=\"    position:absolute;    top:0;    left:0;    right:0;    bottom:0;    background:linear-gradient(to bottom, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 100%);    z-index:1;  \"><\/div>\n\n  <!-- \u5185\u5bb9\u533a -->\n  <div style=\"max-width:960px;margin:0 auto;padding:0 16px;position:relative;z-index:2;\">\n    <h1 style=\"font-size:40px;margin-bottom:14px;font-weight:700;color:#fff;\">\n      Fus\u00edvel CA\n    <\/h1>\n    <p style=\"font-size:17px;line-height:1.6;margin:0 auto 20px;max-width:760px;\">\n      RT18 Series Fuse Holder &amp; Fuse Link \u2014 32A \/ 63A \/ 125A, up to AC690V\n    <\/p>\n    <p style=\"font-size:15px;line-height:1.6;margin:0 auto 28px;max-width:800px;color:#E5E7EB;\">\n      Designed for distribution panels, motor control centers, and commercial power systems.  \n      The RT18 family combines high breaking capacity with reliable performance, while  \n      compact holders and replaceable fuse links ensure safe installation, easy maintenance, and compliance with IEC 60269.\n    <\/p>\n\n    <div style=\"margin:22px 0;\">\n      <a href=\"#models\" style=\"background:#B5220E;color:#fff;padding:12px 28px;border-radius:999px;margin:0 8px;text-decoration:none;font-weight:600;display:inline-block;\">\n        Ver modelos\n      <\/a>\n      <a href=\"\/pt\/contact-us\/\" style=\"background:#FD5732;color:#fff;padding:12px 28px;border-radius:999px;margin:0 8px;text-decoration:none;font-weight:600;display:inline-block;\">\n        Obter cota\u00e7\u00e3o\n      <\/a>\n    <\/div>\n\n    <p style=\"font-size:14px;color:#E5E7EB;margin-top:24px;\">\n      Sizes: 10\u00d738 \u2022 14\u00d751 \u2022 22\u00d758\u2003&nbsp; Amps: 2\u2013125A\u2003&nbsp; Voltage: AC500\/690V (DC250V)\n    <\/p>\n  <\/div>\n<\/section>\n\n<!-- Responsive adjustments -->\n<style>\n@media(max-width:690px){\n  #sec-hero{padding-top:60px;padding-bottom:50px;}\n  #sec-hero h1{font-size:30px;}\n  #sec-hero p{font-size:14px;}\n}\n<\/style>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-7ebcf4d\" data-block-id=\"7ebcf4d\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-7ebcf4d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-9979755\" data-v=\"4\" data-block-id=\"9979755\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-9979755-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-9979755-inner-blocks\">\n<!-- Group: RT18 AC Fuse (Holder & Link) -->\n<section class=\"ky-sec ky-container\">\n  <h3 style=\"margin:12px 0 18px;\">RT18 AC Fuse \u2014 Fuse Holder &amp; Fuse Link (32A \/ 63A \/ 125A)<\/h3>\n\n  <!-- FILTERS -->\n  <div class=\"ky-filters\">\n    <!-- Series -->\n    <div class=\"ky-filter-group\" data-group=\"cat\">\n      <span class=\"ky-filter-label\">S\u00e9rie<\/span>\n      <button class=\"ky-chip is-active\" data-filter=\"*\" data-group=\"cat\">Todos<\/button>\n      <button class=\"ky-chip\" data-filter=\"link\"  data-group=\"cat\">Fuse Link<\/button>\n      <button class=\"ky-chip\" data-filter=\"holder\" data-group=\"cat\">Suporte de fus\u00edvel<\/button>\n    <\/div>\n    <!-- Current (reuse group key 'volt' for JS compatibility) -->\n    <div class=\"ky-filter-group\" data-group=\"volt\">\n      <span class=\"ky-filter-label\">Atual<\/span>\n      <button class=\"ky-chip is-active\" data-filter=\"*\" data-group=\"volt\">Todos<\/button>\n      <button class=\"ky-chip\" data-filter=\"32a\" data-group=\"volt\">32A<\/button>\n      <button class=\"ky-chip\" data-filter=\"63a\" data-group=\"volt\">63A<\/button>\n      <button class=\"ky-chip\" data-filter=\"125a\" data-group=\"volt\">125A<\/button>\n    <\/div>\n    <!-- Size -->\n    <div class=\"ky-filter-group\" data-group=\"size\">\n      <span class=\"ky-filter-label\">Tamanho<\/span>\n      <button class=\"ky-chip is-active\" data-filter=\"*\" data-group=\"size\">Todos<\/button>\n      <button class=\"ky-chip\" data-filter=\"10x38\" data-group=\"size\">10\u00d738<\/button>\n      <button class=\"ky-chip\" data-filter=\"14x51\" data-group=\"size\">14\u00d751<\/button>\n      <button class=\"ky-chip\" data-filter=\"22x58\" data-group=\"size\">22\u00d758<\/button>\n    <\/div>\n  <\/div>\n\n  <!-- GRID (6 items) -->\n  <div class=\"ky-grid\">\n\n    <!-- RT18-32 Fuse Link -->\n    <a class=\"ky-card\" href=\"\/pt\/produto\/250v-fuse-rt18-32-32a\/\" data-cat=\"link\" data-volt=\"32a\" data-size=\"10x38\">\n      <div class=\"ky-card-media\" aria-label=\"RT18-32 Fuse Link 32A 250V 10\u00d738\" style=\"background-image:url('https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/1038.webp')\"><\/div>\n      <div class=\"ky-card-body\">\n        <div class=\"ky-line1\">RT18-32 Fuse Link | AC Fuse 10\u00d738<\/div>\n        <div class=\"ky-line2\">32A \u2022 250V (up to AC690V)<\/div>\n        <div class=\"ky-line3\">Fuse Link \u00b7 <span class=\"ky-link\">Especifica\u00e7\u00f5es e dimens\u00f5es<\/span><\/div>\n      <\/div>\n    <\/a>\n\n    <!-- RT18-32 Fuse Holder -->\n    <a class=\"ky-card\" href=\"\/pt\/produto\/rt18-32-panel-mount-fuse-holder-32a\/\" data-cat=\"holder\" data-volt=\"32a\" data-size=\"10x38\">\n      <div class=\"ky-card-media\" aria-label=\"RT18-32 Fuse Holder 32A 10\u00d738\" style=\"background-image:url('https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/RT18-32x.webp')\"><\/div>\n      <div class=\"ky-card-body\">\n        <div class=\"ky-line1\">RT18-32 Fuse Holder | Panel \/ DIN<\/div>\n        <div class=\"ky-line2\">32A \u2022 AC690V<\/div>\n        <div class=\"ky-line3\">Suporte de fus\u00edvel - <span class=\"ky-link\">Especifica\u00e7\u00f5es e dimens\u00f5es<\/span><\/div>\n      <\/div>\n    <\/a>\n\n    <!-- RT18-63 Fuse Link -->\n    <a class=\"ky-card\" href=\"\/pt\/produto\/rt18-63-ac-fuse-link-63a\/\" data-cat=\"link\" data-volt=\"63a\" data-size=\"14x51\">\n      <div class=\"ky-card-media\" aria-label=\"RT18-63 Fuse Link 63A 14\u00d751\" style=\"background-image:url('https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/1451-1.webp')\"><\/div>\n      <div class=\"ky-card-body\">\n        <div class=\"ky-line1\">RT18-63 Fuse Link | AC Fuse 14\u00d751<\/div>\n        <div class=\"ky-line2\">63A \u2022 AC690V<\/div>\n        <div class=\"ky-line3\">Fuse Link \u00b7 <span class=\"ky-link\">Especifica\u00e7\u00f5es e dimens\u00f5es<\/span><\/div>\n      <\/div>\n    <\/a>\n\n    <!-- RT18-63 Fuse Holder -->\n    <a class=\"ky-card\" href=\"\/pt\/produto\/rt18-63-fuse-holders-63a-690v\/\" data-cat=\"holder\" data-volt=\"63a\" data-size=\"14x51\">\n      <div class=\"ky-card-media\" aria-label=\"RT18-63 Fuse Holder 63A 14\u00d751\" style=\"background-image:url('https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/RT18-63.webp')\"><\/div>\n      <div class=\"ky-card-body\">\n        <div class=\"ky-line1\">RT18-63 Fuse Holder | Panel \/ DIN<\/div>\n        <div class=\"ky-line2\">63A \u2022 AC690V<\/div>\n        <div class=\"ky-line3\">Suporte de fus\u00edvel - <span class=\"ky-link\">Especifica\u00e7\u00f5es e dimens\u00f5es<\/span><\/div>\n      <\/div>\n    <\/a>\n\n    <!-- RT18-125 Fuse Link -->\n    <a class=\"ky-card\" href=\"\/pt\/produto\/elo-de-fusivel-rt18-125-125-amp\/\" data-cat=\"link\" data-volt=\"125a\" data-size=\"22x58\">\n      <div class=\"ky-card-media\" aria-label=\"RT18-125 Fuse Link 125A 22\u00d758\" style=\"background-image:url('https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/2258.webp')\"><\/div>\n      <div class=\"ky-card-body\">\n        <div class=\"ky-line1\">RT18-125 Fuse Link | AC Fuse 22\u00d758<\/div>\n        <div class=\"ky-line2\">125A \u2022 AC690V<\/div>\n        <div class=\"ky-line3\">Fuse Link \u00b7 <span class=\"ky-link\">Especifica\u00e7\u00f5es e dimens\u00f5es<\/span><\/div>\n      <\/div>\n    <\/a>\n\n    <!-- RT18-125 Fuse Holder -->\n    <a class=\"ky-card\" href=\"\/pt\/produto\/rt18-125-fuse-holder-125a-690v\/\" data-cat=\"holder\" data-volt=\"125a\" data-size=\"22x58\">\n      <div class=\"ky-card-media\" aria-label=\"RT18-125 Fuse Holder 125A 22\u00d758\" style=\"background-image:url('https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/RT18-125.webp')\"><\/div>\n      <div class=\"ky-card-body\">\n        <div class=\"ky-line1\">RT18-125 Fuse Holder | Panel \/ DIN<\/div>\n        <div class=\"ky-line2\">125A \u2022 AC690V<\/div>\n        <div class=\"ky-line3\">Suporte de fus\u00edvel - <span class=\"ky-link\">Especifica\u00e7\u00f5es e dimens\u00f5es<\/span><\/div>\n      <\/div>\n    <\/a>\n\n  <\/div>\n<\/section>\n\n<style>\n:root{--ky-brand:#B5220E;--ky-accent:#FD5732;--ky-text:#111827;--ky-muted:#4B5563;--ky-border:#E5E7EB;--ky-bg:#F9FAFB;--ky-white:#FFF}\n.ky-container{max-width:1280px;margin:0 auto;padding:24px 16px}\n.ky-filters{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-bottom:16px}\n.ky-filter-group{display:flex;flex-wrap:wrap;gap:8px;align-items:center}\n.ky-filter-label{font-weight:600;color:var(--ky-muted);margin-right:6px}\n.ky-chip{border:1px solid var(--ky-border);background:#fff;padding:6px 10px;border-radius:999px;cursor:pointer;font-size:13px;line-height:1;transition:.2s}\n.ky-chip:hover{border-color:var(--ky-brand)} .ky-chip.is-active{background:var(--ky-brand);color:#fff;border-color:var(--ky-brand)}\n.ky-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}\n@media(max-width:1200px){.ky-grid{grid-template-columns:repeat(4,1fr)}}\n@media(max-width:900px){.ky-grid{grid-template-columns:repeat(3,1fr)}}\n@media(max-width:640px){.ky-grid{grid-template-columns:repeat(2,1fr)}}\n.ky-card{display:flex;flex-direction:column;text-decoration:none;background:#fff;border:1px solid var(--ky-border);border-radius:16px;overflow:hidden;box-shadow:0 1px 2px rgba(0,0,0,.04);transition:.18s}\n.ky-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.08)}\n.ky-card-media{width:100%;padding-top:100%;background:var(--ky-bg) center\/contain no-repeat;border-bottom:1px solid var(--ky-border)}\n.ky-card-body{padding:10px 12px}\n.ky-line1{font-weight:700;color:var(--ky-text);font-size:14px;margin-bottom:4px}\n.ky-line2{color:var(--ky-brand);font-weight:600;font-size:12px;margin-bottom:2px}\n.ky-line3{color:var(--ky-muted);font-size:12px}\n.ky-link{color:var(--ky-accent);text-decoration:underline}\n<\/style>\n\n<script>\n(function(){\n  const state={cat:'*',volt:'*',size:'*'};\n  document.querySelectorAll('.ky-chip').forEach(btn=>{\n    btn.addEventListener('click',()=>{\n      const group=btn.getAttribute('data-group');\n      document.querySelectorAll(`.ky-chip[data-group=\"${group}\"]`).forEach(b=>b.classList.remove('is-active'));\n      btn.classList.add('is-active');\n      state[group]=btn.getAttribute('data-filter');\n      apply();\n    });\n  });\n  function apply(){\n    document.querySelectorAll('.ky-card').forEach(card=>{\n      const okCat =(state.cat==='*')  || (card.dataset.cat||'').split(' ').includes(state.cat);\n      const okVol =(state.volt==='*') || (card.dataset.volt||'').split(' ').includes(state.volt);\n      const okSz  =(state.size==='*') || (card.dataset.size||'').split(' ').includes(state.size);\n      card.style.display = (okCat && okVol && okSz) ? '' : 'none';\n    });\n  }\n  apply();\n})();\n<\/script>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-9820c2d\" data-block-id=\"9820c2d\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-9820c2d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7a8b366\" data-v=\"4\" data-block-id=\"7a8b366\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7a8b366-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-7a8b366-inner-blocks\">\n<!-- ===== SEC3 \u2014 Overview ===== -->\n<section id=\"sec-overview\" class=\"ky-sec ky-container\" style=\"padding-top:28px;padding-bottom:16px;\">\n  <h2 style=\"font-size:24px;margin:0 0 10px;color:#111827;\">What Is an AC Fuse (RT18 Series)<\/h2>\n  <p style=\"color:#4B5563;margin:0 0 12px;max-width:920px;\">\n    The RT18 AC fuse family combines <strong>Porta-fus\u00edveis<\/strong> e <strong>replaceable fuse links<\/strong> to protect\n    industrial AC circuits against overloads and short circuits. Typical placements include distribution panels, motor\n    control centers, power supplies, and commercial lighting. With up to <strong>AC690V<\/strong> rating and \n    <strong>100&nbsp;kA<\/strong> breaking capacity, RT18 delivers reliable fault interruption while keeping installation\n    compact and service-friendly.\n  <\/p>\n\n  <!-- 2-column feature grid (compact) -->\n  <div class=\"acf-ov-grid\" style=\"display:grid;grid-template-columns:1.2fr 1fr;gap:18px;align-items:start;\">\n    \n    <!-- Left column -->\n    <div>\n      <h3 style=\"font-size:18px;margin:6px 0 6px;color:#111827;\">Role in Industrial Protection<\/h3>\n      <ul style=\"margin:0 0 10px 18px;color:#4B5563;line-height:1.55;\">\n        <li>Primary branch-circuit protection for AC feeders and loads.<\/li>\n        <li>Back-up protection coordinated with upstream devices (e.g., MCB\/Breaker).<\/li>\n        <li>Fast fault clearing to limit thermal and let-through energy (I\u00b2t).<\/li>\n      <\/ul>\n\n      <h3 style=\"font-size:18px;margin:10px 0 6px;color:#111827;\">Why RT18 (Holder + Link Ecosystem)<\/h3>\n      <ul style=\"margin:0 0 10px 18px;color:#4B5563;line-height:1.55;\">\n        <li><strong>Sizes:<\/strong> 10\u00d738 (32A), 14\u00d751 (63A), 22\u00d758 (125A).<\/li>\n        <li><strong>Montagem:<\/strong> Panel or DIN rail; compact footprint for dense panels.<\/li>\n        <li><strong>Serviceability:<\/strong> Replaceable links minimize downtime and cost.<\/li>\n        <li><strong>Coordena\u00e7\u00e3o:<\/strong> Trabalha em conjunto <a href=\"\/pt\/dc-mcb\/\" style=\"color:#B5220E;text-decoration:underline;\">breakers\/MCBs<\/a> for selective protection.<\/li>\n      <\/ul>\n    <\/div>\n\n    <!-- Right column (quick facts) -->\n    <div style=\"background:#F9FAFB;border:1px solid #E5E7EB;border-radius:12px;padding:12px;\">\n      <h3 style=\"font-size:16px;margin:0 0 8px;color:#111827;\">Quick Facts<\/h3>\n      <div style=\"display:grid;grid-template-columns:1fr 1fr;gap:8px;color:#4B5563;font-size:14px;\">\n        <div><strong>Tens\u00e3o<\/strong><br>AC500\/690V (DC250V)<\/div>\n        <div><strong>Capacidade de ruptura<\/strong><br>up to 100&nbsp;kA<\/div>\n        <div><strong>Atual<\/strong><br>2\u2013125A<\/div>\n        <div><strong>Form Factor<\/strong><br>10\u00d738 \u2022 14\u00d751 \u2022 22\u00d758<\/div>\n      <\/div>\n      <div style=\"margin-top:10px;font-size:13px;color:#6B7280;\">\n        Selection help? <a href=\"\/pt\/contact-us\/\" style=\"color:#B5220E;text-decoration:underline;\">Talk to an engineer<\/a>.\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Cross-links (internal + external, compact row) -->\n  <div class=\"acf-ov-links\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;font-size:13px;\">\n    <!-- Internal -->\n    <a href=\"\/pt\/dc-fuse\/\" style=\"color:#FD5732;text-decoration:underline;\">DC Fuse (for DC-side protection)<\/a>\n    <span style=\"color:#9CA3AF;\">\u2022<\/span>\n    <a href=\"\/pt\/dc-switch-disconnector\/\" style=\"color:#FD5732;text-decoration:underline;\">Chave seccionadora<\/a>\n    <span style=\"color:#9CA3AF;\">\u2022<\/span>\n    <a href=\"\/pt\/pv-combiner-box\/\" style=\"color:#FD5732;text-decoration:underline;\">Caixa combinadora fotovoltaica<\/a>\n    <span style=\"color:#9CA3AF;\">\u2022<\/span>\n    <a href=\"\/pt\/contact-us\/\" style=\"color:#FD5732;text-decoration:underline;\">Get Sizing &amp; Wiring Guidance<\/a>\n    <!-- External (DoFollow) -->\n    <span style=\"color:#9CA3AF;\">\u2022<\/span>\n    <a href=\"https:\/\/webstore.iec.ch\/publication\/264\" target=\"_blank\" rel=\"noopener\" style=\"color:#B5220E;text-decoration:underline;\">IEC&nbsp;60269 (fuse systems)<\/a>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-94217e0\" data-block-id=\"94217e0\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-94217e0-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-cdaedb2\" data-v=\"4\" data-block-id=\"cdaedb2\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-cdaedb2-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-cdaedb2-inner-blocks\">\n<!-- ===== SEC4 \u2014 Key Features (forced 4 cols on desktop) ===== -->\n<section id=\"sec-features\" class=\"ky-sec ky-container\" style=\"padding-top:28px;padding-bottom:20px;\">\n  <h2 style=\"font-size:24px;margin:0 0 14px;color:#111827;text-align:center;\">\n    Key Features of RT18 AC Fuse\n  <\/h2>\n\n  <div class=\"ky-feature-grid\">\n    <!-- Feature 1 -->\n    <div class=\"ky-feature-card\">\n      <h3>High Breaking Capacity<\/h3>\n      <p>Classificado para at\u00e9 <strong>100kA<\/strong>, clears short circuits quickly and reliably to reduce damage and downtime.<\/p>\n    <\/div>\n\n    <!-- Feature 2 -->\n    <div class=\"ky-feature-card\">\n      <h3>Flexible Mounting<\/h3>\n      <p>Available as <a href=\"\/pt\/produto\/rt18-32-panel-mount-fuse-holder-32a\/\" class=\"lnk\">panel-mount<\/a> or DIN-rail versions for compact boards and control cabinets.<\/p>\n    <\/div>\n\n    <!-- Feature 3 -->\n    <div class=\"ky-feature-card\">\n      <h3>Replaceable Fuse Links<\/h3>\n      <p>Interchangeable links minimize replacement cost and allow quick service without rewiring.<\/p>\n    <\/div>\n\n    <!-- Feature 4 -->\n    <div class=\"ky-feature-card\">\n      <h3>Standard Compliance<\/h3>\n      <p>Designed and tested to <a href=\"https:\/\/webstore.iec.ch\/publication\/264\" target=\"_blank\" rel=\"noopener\" class=\"lnk\">IEC 60269<\/a>, ensuring safe integration in industrial AC circuits.<\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n<style>\n\/* --- SEC4 layout --- *\/\n#sec-features .ky-feature-grid{\n  display:grid;\n  gap:16px;\n  grid-template-columns:repeat(4, minmax(0,1fr));  \/* \u5f3a\u5236 4 \u5217 *\/\n  max-width:1200px;                                \/* \u653e\u5bbd\u5bb9\u5668\u5bbd\u5ea6\uff0c\u907f\u514d\u88ab\u4e3b\u9898\u5361\u6b7b *\/\n  margin:12px auto 0;\n}\n#sec-features .ky-feature-card{\n  background:#fff;\n  border:1px solid #E5E7EB;\n  border-radius:12px;\n  padding:16px;\n  box-shadow:0 1px 2px rgba(0,0,0,.04);\n}\n#sec-features .ky-feature-card h3{\n  font-size:16px;\n  margin:0 0 8px;\n  color:#B5220E;\n}\n#sec-features .ky-feature-card p{\n  font-size:14px;\n  color:#4B5563;\n  line-height:1.55;\n  margin:0;\n}\n#sec-features .lnk{ color:#FD5732; text-decoration:underline; }\n\n\/* --- \u54cd\u5e94\u5f0f\uff1a\u4e2d\u5c4f 2 \u5217\uff0c\u5c0f\u5c4f 1 \u5217 --- *\/\n@media (max-width:1000px){\n  #sec-features .ky-feature-grid{ grid-template-columns:repeat(2, minmax(0,1fr)); }\n}\n@media (max-width:640px){\n  #sec-features .ky-feature-grid{ grid-template-columns:1fr; }\n}\n<\/style>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-a669332\" data-block-id=\"a669332\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-a669332-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2e597a4\" data-v=\"4\" data-block-id=\"2e597a4\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2e597a4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2e597a4-inner-blocks\">\n<!-- ===== SEC5 \u2014 Technical Specifications & Comparison ===== -->\n<section id=\"sec-specs\" class=\"ky-sec ky-container\" style=\"padding-top:28px;padding-bottom:20px;\">\n  <h2 style=\"font-size:24px;margin:0 0 12px;color:#111827;\">Technical Specifications &amp; Comparison<\/h2>\n  <p style=\"color:#4B5563;margin:0 0 12px;max-width:980px;\">\n    Compare RT18 fuse holders and fuse links across three standardized sizes. For wiring topologies and replacement tips,\n    see <a href=\"#sec-wiring\" style=\"color:#B5220E;text-decoration:underline;\">Fia\u00e7\u00e3o e instala\u00e7\u00e3o<\/a>.\n  <\/p>\n\n  <div style=\"overflow:auto;border:1px solid #E5E7EB;border-radius:12px;\">\n    <table style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:820px;\">\n      <thead>\n        <tr style=\"background:#F9FAFB;color:#111827;\">\n          <th style=\"text-align:left;padding:10px 12px;border-bottom:1px solid #E5E7EB;\">Modelo<\/th>\n          <th style=\"text-align:left;padding:10px 12px;border-bottom:1px solid #E5E7EB;\">Tipo<\/th>\n          <th style=\"text-align:left;padding:10px 12px;border-bottom:1px solid #E5E7EB;\">Tamanho<\/th>\n          <th style=\"text-align:left;padding:10px 12px;border-bottom:1px solid #E5E7EB;\">Atual<\/th>\n          <th style=\"text-align:left;padding:10px 12px;border-bottom:1px solid #E5E7EB;\">Tens\u00e3o<\/th>\n          <th style=\"text-align:left;padding:10px 12px;border-bottom:1px solid #E5E7EB;\">Breaking Cap.<\/th>\n          <th style=\"text-align:left;padding:10px 12px;border-bottom:1px solid #E5E7EB;\">Montagem<\/th>\n          <th style=\"text-align:left;padding:10px 12px;border-bottom:1px solid #E5E7EB;\">Uso recomendado<\/th>\n          <th style=\"text-align:left;padding:10px 12px;border-bottom:1px solid #E5E7EB;\">Docs<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody style=\"font-size:14px;color:#4B5563;\">\n        <!-- 32A -->\n        <tr>\n          <td style=\"padding:10px 12px;\">\n            <a href=\"\/pt\/rt18-32-fuse-link-32a-250v\/\" style=\"color:#111827;text-decoration:underline;font-weight:600;\">RT18-32 Fuse Link<\/a>\n          <\/td>\n          <td style=\"padding:10px 12px;\">Fuse Link<\/td>\n          <td style=\"padding:10px 12px;\">10\u00d738<\/td>\n          <td style=\"padding:10px 12px;\">2\u201332A<\/td>\n          <td style=\"padding:10px 12px;\">AC500\/690V (DC250V)<\/td>\n          <td style=\"padding:10px 12px;\">up to 100kA<\/td>\n          <td style=\"padding:10px 12px;\">\u2014 (fits RT18-32 holder)<\/td>\n          <td style=\"padding:10px 12px;\">Residential \/ small control loads<\/td>\n          <td style=\"padding:10px 12px;\">\n            diagram: <em>rt18-32-wiring<\/em><br>size: <em>rt18-32-dim<\/em>\n          <\/td>\n        <\/tr>\n        <tr style=\"background:#FCFCFD;\">\n          <td style=\"padding:10px 12px;\">\n            <a href=\"\/pt\/rt18-32-panel-mount-fuse-holder-32a\/\" style=\"color:#111827;text-decoration:underline;font-weight:600;\">RT18-32 Fuse Holder<\/a>\n          <\/td>\n          <td style=\"padding:10px 12px;\">Holder (Panel \/ DIN)<\/td>\n          <td style=\"padding:10px 12px;\">10\u00d738<\/td>\n          <td style=\"padding:10px 12px;\">2\u201332A (with link)<\/td>\n          <td style=\"padding:10px 12px;\">AC500\/690V<\/td>\n          <td style=\"padding:10px 12px;\">\u2014<\/td>\n          <td style=\"padding:10px 12px;\">Panel \/ DIN rail<\/td>\n          <td style=\"padding:10px 12px;\">Compact boards, retrofits<\/td>\n          <td style=\"padding:10px 12px;\">\n            diagram: <em>rt18-32-holder-wiring<\/em><br>size: <em>rt18-32-holder-dim<\/em>\n          <\/td>\n        <\/tr>\n\n        <!-- 63A -->\n        <tr>\n          <td style=\"padding:10px 12px;\">\n            <a href=\"\/pt\/rt18-63-ac-fuse-link-63a\/\" style=\"color:#111827;text-decoration:underline;font-weight:600;\">RT18-63 Fuse Link<\/a>\n          <\/td>\n          <td style=\"padding:10px 12px;\">Fuse Link<\/td>\n          <td style=\"padding:10px 12px;\">14\u00d751<\/td>\n          <td style=\"padding:10px 12px;\">10\u201363A<\/td>\n          <td style=\"padding:10px 12px;\">AC500\/690V (DC250V)<\/td>\n          <td style=\"padding:10px 12px;\">up to 100kA<\/td>\n          <td style=\"padding:10px 12px;\">\u2014 (fits RT18-63 holder)<\/td>\n          <td style=\"padding:10px 12px;\">Commercial lighting \/ MCC panels<\/td>\n          <td style=\"padding:10px 12px;\">\n            diagram: <em>rt18-63-wiring<\/em><br>size: <em>rt18-63-dim<\/em>\n          <\/td>\n        <\/tr>\n        <tr style=\"background:#FCFCFD;\">\n          <td style=\"padding:10px 12px;\">\n            <a href=\"\/pt\/rt18-63-fuse-holders-63a-690v\/\" style=\"color:#111827;text-decoration:underline;font-weight:600;\">RT18-63 Fuse Holder<\/a>\n          <\/td>\n          <td style=\"padding:10px 12px;\">Holder (Panel \/ DIN)<\/td>\n          <td style=\"padding:10px 12px;\">14\u00d751<\/td>\n          <td style=\"padding:10px 12px;\">10\u201363A (with link)<\/td>\n          <td style=\"padding:10px 12px;\">AC500\/690V<\/td>\n          <td style=\"padding:10px 12px;\">\u2014<\/td>\n          <td style=\"padding:10px 12px;\">Panel \/ DIN rail<\/td>\n          <td style=\"padding:10px 12px;\">C&amp;I boards, control cabinets<\/td>\n          <td style=\"padding:10px 12px;\">\n            diagram: <em>rt18-63-holder-wiring<\/em><br>size: <em>rt18-63-holder-dim<\/em>\n          <\/td>\n        <\/tr>\n\n        <!-- 125A -->\n        <tr>\n          <td style=\"padding:10px 12px;\">\n            <a href=\"\/pt\/elo-de-fusivel-rt18-125-125-amp\/\" style=\"color:#111827;text-decoration:underline;font-weight:600;\">RT18-125 Fuse Link<\/a>\n          <\/td>\n          <td style=\"padding:10px 12px;\">Fuse Link<\/td>\n          <td style=\"padding:10px 12px;\">22\u00d758<\/td>\n          <td style=\"padding:10px 12px;\">30\u2013125A<\/td>\n          <td style=\"padding:10px 12px;\">AC500\/690V (DC250V)<\/td>\n          <td style=\"padding:10px 12px;\">up to 100kA<\/td>\n          <td style=\"padding:10px 12px;\">\u2014 (fits RT18-125 holder)<\/td>\n          <td style=\"padding:10px 12px;\">Heavy-duty feeders \/ HVAC \/ PSU<\/td>\n          <td style=\"padding:10px 12px;\">\n            diagram: <em>rt18-125-wiring<\/em><br>size: <em>rt18-125-dim<\/em>\n          <\/td>\n        <\/tr>\n        <tr style=\"background:#FCFCFD;\">\n          <td style=\"padding:10px 12px;\">\n            <a href=\"\/pt\/rt18-125-fuse-holder-125a-690v\/\" style=\"color:#111827;text-decoration:underline;font-weight:600;\">RT18-125 Fuse Holder<\/a>\n          <\/td>\n          <td style=\"padding:10px 12px;\">Holder (Panel \/ DIN)<\/td>\n          <td style=\"padding:10px 12px;\">22\u00d758<\/td>\n          <td style=\"padding:10px 12px;\">30\u2013125A (with link)<\/td>\n          <td style=\"padding:10px 12px;\">AC500\/690V<\/td>\n          <td style=\"padding:10px 12px;\">\u2014<\/td>\n          <td style=\"padding:10px 12px;\">Panel \/ DIN rail<\/td>\n          <td style=\"padding:10px 12px;\">Industrial mains, large loads<\/td>\n          <td style=\"padding:10px 12px;\">\n            diagram: <em>rt18-125-holder-wiring<\/em><br>size: <em>rt18-125-holder-dim<\/em>\n          <\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <!-- Notes -->\n  <ul style=\"margin:10px 0 0 18px;color:#6B7280;font-size:13px;line-height:1.6;\">\n    <li>Breaking capacity values depend on test conditions per <a href=\"https:\/\/webstore.iec.ch\/publication\/264\" target=\"_blank\" rel=\"noopener\" style=\"color:#B5220E;text-decoration:underline;\">IEC 60269<\/a>.<\/li>\n    <li>Replaceable fuse links must match holder size and rating; see model pages for part numbering.<\/li>\n    <li>For DC-side protection or PV applications, refer to <a href=\"\/pt\/dc-fuse\/\" style=\"color:#FD5732;text-decoration:underline;\">Fus\u00edvel CC<\/a>.<\/li>\n  <\/ul>\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-8fa3cbf\" data-block-id=\"8fa3cbf\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-8fa3cbf-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4d37669\" data-v=\"4\" data-block-id=\"4d37669\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4d37669-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4d37669-inner-blocks\">\n<!-- ===== SEC6 \u2014 Selection Guide (Full Width) ===== -->\n<section id=\"sec-guide\" style=\"  background:linear-gradient(90deg,#B5220E 0%,#FD5732 100%);  padding:48px 20px;  color:#fff;\">\n  <div class=\"ky-container\" style=\"max-width:1180px;margin:0 auto;text-align:center;\">\n    <h2 style=\"font-size:26px;margin:0 0 14px;\">How to Select the Right AC Fuse<\/h2>\n    <p style=\"font-size:16px;line-height:1.6;max-width:820px;margin:0 auto 28px;\">\n      Choosing the correct fuse ensures safe operation, reduces downtime, and extends equipment life. \n      Consider voltage, current, size, and mounting style before selecting your RT18 AC fuse.\n    <\/p>\n\n    <div class=\"ky-sel-grid\" style=\"      display:grid;      grid-template-columns:repeat(auto-fit,minmax(220px,1fr));      gap:20px;      text-align:left;    \">\n      <!-- Card 1 -->\n      <div style=\"background:rgba(255,255,255,0.08);border-radius:12px;padding:16px;\">\n        <h3 style=\"font-size:18px;margin:0 0 8px;color:#fff;\">Voltage &amp; Current<\/h3>\n        <p style=\"font-size:14px;line-height:1.55;margin:0;\">\n          Ensure your fuse matches the <strong>system voltage<\/strong> (AC500\/690V) and <strong>load current<\/strong> (2\u2013125A). \n          Oversizing reduces protection, undersizing causes nuisance trips.\n        <\/p>\n      <\/div>\n      <!-- Card 2 -->\n      <div style=\"background:rgba(255,255,255,0.08);border-radius:12px;padding:16px;\">\n        <h3 style=\"font-size:18px;margin:0 0 8px;color:#fff;\">Size &amp; Form Factor<\/h3>\n        <p style=\"font-size:14px;line-height:1.55;margin:0;\">\n          Choose the correct <strong>fuse body size<\/strong> (10\u00d738, 14\u00d751, 22\u00d758). \n          Compatibility with holders is critical for safe and reliable operation.\n        <\/p>\n      <\/div>\n      <!-- Card 3 -->\n      <div style=\"background:rgba(255,255,255,0.08);border-radius:12px;padding:16px;\">\n        <h3 style=\"font-size:18px;margin:0 0 8px;color:#fff;\">Mounting Style<\/h3>\n        <p style=\"font-size:14px;line-height:1.55;margin:0;\">\n          RT18 holders support <strong>panel mount<\/strong> ou <strong>DIN rail<\/strong>. \n          Select based on your cabinet layout and available space.\n        <\/p>\n      <\/div>\n      <!-- Card 4 -->\n      <div style=\"background:rgba(255,255,255,0.08);border-radius:12px;padding:16px;\">\n        <h3 style=\"font-size:18px;margin:0 0 8px;color:#fff;\">Coordena\u00e7\u00e3o<\/h3>\n        <p style=\"font-size:14px;line-height:1.55;margin:0;\">\n          Ensure coordination with upstream devices such as \n          <a href=\"\/pt\/dc-mcb\/\" style=\"color:#fff;text-decoration:underline;\">breakers<\/a> ou \n          <a href=\"\/pt\/dc-switch-disconnector\/\" style=\"color:#fff;text-decoration:underline;\">disconnectors<\/a> \n          to maintain selectivity and prevent full-system trips.\n        <\/p>\n      <\/div>\n    <\/div>\n\n    <!-- CTA -->\n    <div style=\"margin-top:28px;\">\n      <a href=\"\/pt\/contact-us\/\" style=\"background:#fff;color:#B5220E;        padding:12px 28px;border-radius:999px;text-decoration:none;font-weight:600;font-size:15px;\">\n        Get Expert Sizing Advice\n      <\/a>\n    <\/div>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-39f34d9\" data-block-id=\"39f34d9\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-39f34d9-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f45cb48\" data-v=\"4\" data-block-id=\"f45cb48\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f45cb48-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f45cb48-inner-blocks\">\n<!-- ===== SEC7 \u2014 Installation & Replacement (No Diagrams) ===== -->\n<section id=\"sec-wiring\" class=\"ky-sec ky-container\" style=\"padding-top:28px;padding-bottom:20px;\">\n  <h2 style=\"font-size:24px;margin:0 0 12px;color:#111827;\">Installation &amp; Replacement<\/h2>\n  <p style=\"color:#4B5563;margin:0 0 12px;max-width:980px;\">\n    Follow these best practices to ensure safe installation and quick maintenance for RT18 fuse holders and fuse links.\n    Always comply with local electrical codes and site safety procedures.\n  <\/p>\n\n  <!-- Two-column layout -->\n  <div style=\"display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start;\">\n    <!-- Left: Step-by-step -->\n    <div style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:14px;\">\n      <h3 style=\"font-size:18px;margin:0 0 8px;color:#111827;\">Passo a passo<\/h3>\n      <ol style=\"margin:0 0 8px 18px;color:#4B5563;line-height:1.6;\">\n        <li><strong>Isolate power<\/strong>: open upstream breaker\/disconnector; verify absence of voltage with a calibrated meter.<\/li>\n        <li><strong>Apply LOTO<\/strong>: lockout\/tagout per site procedure; display notice at the control point.<\/li>\n        <li><strong>Select the correct link<\/strong>: match <em>size<\/em> (10\u00d738 \/ 14\u00d751 \/ 22\u00d758), <em>current<\/em> (2\u2013125A), and <em>tens\u00e3o<\/em> (AC500\/690V; DC250V note).<\/li>\n        <li><strong>Inspect the holder<\/strong>: check terminals and springs for discoloration, cracks, or looseness; replace damaged parts.<\/li>\n        <li><strong>Terminate conductors<\/strong>: strip to spec; insert fully; tighten to the manufacturer\u2019s torque specification.<\/li>\n        <li><strong>Insert fuse link<\/strong>: ensure full seating; close\/secure the carrier (if applicable).<\/li>\n        <li><strong>Re-energize<\/strong>: remove LOTO; close upstream breaker; observe for abnormal heating\/odor\/noise.<\/li>\n        <li><strong>Document<\/strong>: record rating, circuit ID, date, and technician initials for maintenance logs.<\/li>\n      <\/ol>\n      <div style=\"font-size:13px;color:#6B7280;\">\n        Need help choosing the right rating? <a href=\"\/pt\/contact-us\/\" style=\"color:#B5220E;text-decoration:underline;\">Talk to an engineer<\/a>.\n      <\/div>\n    <\/div>\n\n    <!-- Right: Safety & checks -->\n    <div style=\"background:#F9FAFB;border:1px solid #E5E7EB;border-radius:12px;padding:14px;\">\n      <h3 style=\"font-size:16px;margin:0 0 8px;color:#111827;\">Safety &amp; Quick Checks<\/h3>\n      <ul style=\"margin:0 8px 10px 18px;color:#4B5563;line-height:1.6;font-size:14px;\">\n        <li>Use PPE: insulated gloves, eye protection; follow site arc-flash labels.<\/li>\n        <li>Verify <em>size compatibility<\/em>: holder must match 10\u00d738 \/ 14\u00d751 \/ 22\u00d758.<\/li>\n        <li>Verify <em>amp rating<\/em> vs. conductor\/load; avoid oversizing or undersizing.<\/li>\n        <li>Check tightening after 24\u201348h (thermal settling) during commissioning.<\/li>\n        <li>For recurrent blow, investigate upstream faults or inrush characteristics.<\/li>\n      <\/ul>\n\n      <h4 style=\"font-size:14px;margin:8px 0 6px;color:#111827;\">Do &amp; Don\u2019t<\/h4>\n      <table style=\"width:100%;border-collapse:separate;border-spacing:0;\">\n        <tbody style=\"font-size:13px;color:#4B5563;\">\n          <tr>\n            <td style=\"padding:6px 8px;border:1px solid #E5E7EB;border-radius:8px;background:#FFFFFF;\"><strong>Do<\/strong>: match size\/amp\/voltage; torque to spec; log replacement.<\/td>\n          <\/tr>\n          <tr>\n            <td style=\"padding:6px 8px;border:1px solid #E5E7EB;border-radius:8px;background:#FFFFFF;margin-top:6px;\"> \n              <strong>Don\u2019t<\/strong>: bypass\/blind link; mix different sizes; reuse overheated holders.\n            <\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n\n      <div style=\"margin-top:10px;font-size:13px;color:#6B7280;\">\n        Veja tamb\u00e9m: <a href=\"#sec-specs\" style=\"color:#FD5732;text-decoration:underline;\">Specs &amp; Comparison<\/a> - \n        <a href=\"#sec-faq\" style=\"color:#FD5732;text-decoration:underline;\">PERGUNTAS FREQUENTES<\/a>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Common mistakes -->\n  <div style=\"margin-top:14px;background:#FFF7ED;border:1px solid #FED7AA;color:#7C2D12;border-radius:12px;padding:12px;\">\n    <strong style=\"color:#7C2D12;\">Common mistakes:<\/strong>\n    <span style=\"color:#7C2D12;\">choosing 10\u00d738 links for 14\u00d751 holders; oversizing amp rating to avoid nuisance trips; loose terminations; skipping LOTO during quick swaps.<\/span>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-52d825b\" data-block-id=\"52d825b\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-52d825b-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4220ff0\" data-v=\"4\" data-block-id=\"4220ff0\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4220ff0-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4220ff0-inner-blocks\">\n<!-- ===== SEC8 \u2014 Applications & Use Cases (forced 4 cols) ===== -->\n<section id=\"sec-apps\" class=\"ky-sec ky-container\" style=\"padding-top:32px;padding-bottom:28px;\">\n  <h2 style=\"font-size:24px;margin:0 0 12px;color:#111827;text-align:center;\">Aplicativos e casos de uso<\/h2>\n  <p style=\"font-size:15px;color:#4B5563;line-height:1.55;text-align:center;max-width:820px;margin:0 auto 22px;\">\n    RT18 series protection devices are widely applied in low-voltage distribution, motor control, backup power, and building services.\n  <\/p>\n\n  <div class=\"ky-app-grid\">\n    <!-- Card 1 -->\n    <article class=\"ky-app-card\">\n      <img decoding=\"async\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/ac-fuse-application1.png\"\n           alt=\"Fuse holder application in distribution panels\" loading=\"lazy\">\n      <div class=\"body\">\n        <h3>Distribution Panels<\/h3>\n        <p>Installed in <a href=\"\/pt\/pv-combiner-box\/\" class=\"lnk\">caixas combinadoras<\/a> or load centers to safeguard feeders, branch circuits, and lighting systems.<\/p>\n      <\/div>\n    <\/article>\n\n    <!-- Card 2 -->\n    <article class=\"ky-app-card\">\n      <img decoding=\"async\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/ac-fuse-application2.png\"\n           alt=\"Holder used in motor control center cabinet\" loading=\"lazy\">\n      <div class=\"body\">\n        <h3>Motor Control Centers<\/h3>\n        <p>Back-up short-circuit protection for motor circuits, coordinated with contactors and overload relays inside MCC cabinets.<\/p>\n      <\/div>\n    <\/article>\n\n    <!-- Card 3 -->\n    <article class=\"ky-app-card\">\n      <img decoding=\"async\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/ac-fuse-application3.png\"\n           alt=\"Fuse links for UPS and power supply racks\" loading=\"lazy\">\n      <div class=\"body\">\n        <h3>Power Supplies &amp; UPS<\/h3>\n        <p>Protects rectifiers, inverters, and <a href=\"\/pt\/dc-fuse\/\" class=\"lnk\">DC circuits<\/a> against faults, ensuring uninterrupted operation.<\/p>\n      <\/div>\n    <\/article>\n\n    <!-- Card 4 -->\n    <article class=\"ky-app-card\">\n      <img decoding=\"async\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/ac-fuse-application4.png\"\n           alt=\"Industrial fuse use in commercial building services\" loading=\"lazy\">\n      <div class=\"body\">\n        <h3>Commercial &amp; Public Buildings<\/h3>\n        <p>Applied in shopping malls, office towers, and transport hubs to protect HVAC distribution and general building services.<\/p>\n      <\/div>\n    <\/article>\n  <\/div>\n<\/section>\n\n<style>\n\/* ---- SEC8 layout ---- *\/\n#sec-apps .ky-app-grid{\n  display:grid;\n  gap:16px;\n  grid-template-columns:repeat(4, minmax(0,1fr)); \/* \u5f3a\u5236 4 \u5217 *\/\n  max-width:1200px;\n  margin:12px auto 0;\n}\n#sec-apps .ky-app-card{\n  background:#fff;\n  border:1px solid #E5E7EB;\n  border-radius:12px;\n  overflow:hidden;\n  box-shadow:0 1px 2px rgba(0,0,0,.04);\n}\n#sec-apps .ky-app-card img{\n  width:100%;\n  height:auto;         \/* \u4f60\u662f 1:1 \u56fe\uff0c\u5929\u7136\u65b9\u5f62\uff0c\u65e0\u9700\u989d\u5916\u88c1\u5207 *\/\n  display:block;\n}\n#sec-apps .ky-app-card .body{ padding:14px; }\n#sec-apps .ky-app-card h3{\n  font-size:16px; margin:0 0 6px; color:#B5220E;\n}\n#sec-apps .ky-app-card p{\n  font-size:14px; color:#4B5563; line-height:1.55; margin:0;\n}\n#sec-apps .lnk{ color:#FD5732; text-decoration:underline; }\n\n\/* ---- \u54cd\u5e94\u5f0f\u65ad\u70b9 ---- *\/\n@media (max-width:1000px){\n  #sec-apps .ky-app-grid{ grid-template-columns:repeat(2, minmax(0,1fr)); }\n}\n@media (max-width:640px){\n  #sec-apps .ky-app-grid{ grid-template-columns:1fr; }\n}\n<\/style>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-bf473d3\" data-block-id=\"bf473d3\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-bf473d3-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a21a950\" data-v=\"4\" data-block-id=\"a21a950\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a21a950-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a21a950-inner-blocks\">\n<!-- ===== SEC9 \u2014 Why Choose Us (forced 4 cols) ===== -->\n<section id=\"sec-why\" class=\"ky-sec ky-container\" style=\"padding-top:32px;padding-bottom:28px;\">\n  <h2 style=\"font-size:24px;margin:0 0 12px;color:#111827;text-align:center;\">Por que nos escolher<\/h2>\n  <p style=\"font-size:15px;color:#4B5563;line-height:1.55;text-align:center;max-width:820px;margin:0 auto 18px;\">\n    Factory-direct quality, fast fulfillment, and engineering support for your RT18 AC fuse projects.\n  <\/p>\n\n  <!-- Badges -->\n  <div class=\"why-badges\">\n    <span>ISO 9001<\/span>\n    <span>IEC 60269 Compliant<\/span>\n    <span>CE \u2022 RoHS<\/span>\n    <span>Global Shipping<\/span>\n  <\/div>\n\n  <!-- 4 feature cards -->\n  <div class=\"why-grid\">\n    <article class=\"why-card\">\n      <h3>Direto da f\u00e1brica<\/h3>\n      <p>Stable supply chain and process control ensure consistent quality for RT18 holders and fuse links.<\/p>\n      <ul>\n        <li>Incoming material inspection<\/li>\n        <li>100% functional test<\/li>\n        <li>Traceable lot IDs<\/li>\n      <\/ul>\n    <\/article>\n\n    <article class=\"why-card\">\n      <h3>Prazo de entrega r\u00e1pido<\/h3>\n      <p>Stock on common sizes (10\u00d738 \/ 14\u00d751) and streamlined logistics for on-time delivery.<\/p>\n      <ul>\n        <li>Priority builds for urgent orders<\/li>\n        <li>Flexible shipping options<\/li>\n      <\/ul>\n    <\/article>\n\n    <article class=\"why-card\">\n      <h3>OEM \/ ODM<\/h3>\n      <p>Labeling, packaging, and documentation tailored to your project or market requirements.<\/p>\n      <ul>\n        <li>Custom branding &amp; cartons<\/li>\n        <li>Datasheets &amp; certifications<\/li>\n      <\/ul>\n    <\/article>\n\n    <article class=\"why-card\">\n      <h3>Suporte de engenharia<\/h3>\n      <p>Help with selection, coordination, and compliance, from early design to commissioning.<\/p>\n      <ul>\n        <li>Rating &amp; size selection<\/li>\n        <li>Panel layout guidance<\/li>\n        <li>Basic coordination notes<\/li>\n      <\/ul>\n    <\/article>\n  <\/div>\n\n  <!-- CTA -->\n  <div class=\"why-cta\">\n    <a href=\"\/pt\/contact-us\/\" class=\"btn-cta\">Get a Quote or Sample<\/a>\n  <\/div>\n<\/section>\n\n<style>\n\/* badges *\/\n#sec-why .why-badges{\n  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;\n  margin-bottom:14px;font-size:13px;color:#6B7280;\n}\n#sec-why .why-badges span{\n  border:1px solid #E5E7EB;border-radius:999px;padding:6px 10px;background:#fff;\n}\n\n\/* grid *\/\n#sec-why .why-grid{\n  display:grid;gap:16px;\n  grid-template-columns:repeat(4,minmax(0,1fr));   \/* \u5f3a\u5236 4 \u5217 *\/\n  max-width:1200px;margin:12px auto 0;\n  align-items:stretch;\n}\n#sec-why .why-card{\n  background:#fff;border:1px solid #E5E7EB;border-radius:12px;padding:16px;\n  box-shadow:0 1px 2px rgba(0,0,0,.04);display:flex;flex-direction:column;\n}\n#sec-why .why-card h3{font-size:16px;margin:0 0 8px;color:#B5220E;}\n#sec-why .why-card p{font-size:14px;color:#4B5563;line-height:1.55;margin:0 0 8px;}\n#sec-why .why-card ul{margin:0 0 0 18px;color:#6B7280;font-size:13px;line-height:1.55;}\n\n\/* CTA *\/\n#sec-why .why-cta{display:flex;justify-content:center;margin-top:18px;}\n#sec-why .btn-cta{\n  background:#B5220E;color:#fff;padding:12px 28px;border-radius:999px;\n  text-decoration:none;font-weight:600;font-size:15px;\n  box-shadow:0 8px 20px rgba(181,34,14,.18);\n}\n\n\/* \u54cd\u5e94\u5f0f *\/\n@media (max-width:1000px){\n  #sec-why .why-grid{grid-template-columns:repeat(2,minmax(0,1fr));}\n}\n@media (max-width:640px){\n  #sec-why .why-grid{grid-template-columns:1fr;}\n}\n<\/style>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-2652769\" data-block-id=\"2652769\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-2652769-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-350afbe\" data-v=\"4\" data-block-id=\"350afbe\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-350afbe-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-350afbe-inner-blocks\">\n<!-- ===== SEC10 \u2014 Resources & Downloads (forced 4 cols) ===== -->\n<section id=\"sec-resources\" class=\"ky-sec ky-container\" style=\"padding-top:32px;padding-bottom:28px;\">\n  <h2 style=\"font-size:24px;margin:0 0 12px;color:#111827;text-align:center;\">Resources &amp; Downloads<\/h2>\n  <p style=\"font-size:15px;color:#4B5563;line-height:1.55;text-align:center;max-width:820px;margin:0 auto 22px;\">\n    Access technical resources for RT18 AC fuses, including datasheets, dimension drawings, and application guides.\n  <\/p>\n\n  <div class=\"res-grid\">\n    <article class=\"res-card\">\n      <h3>Datasheet<\/h3>\n      <p>Complete electrical parameters and performance ratings.<\/p>\n    <\/article>\n\n    <article class=\"res-card\">\n      <h3>Dimension Drawing<\/h3>\n      <p>Mechanical sizes for 10\u00d738, 14\u00d751, 22\u00d758 fuse bodies and holders.<\/p>\n    <\/article>\n\n    <article class=\"res-card\">\n      <h3>Installation Guide<\/h3>\n      <p>Step-by-step guidance for safe replacement and maintenance.<\/p>\n    <\/article>\n\n    <article class=\"res-card\">\n      <h3>Cat\u00e1logo de produtos<\/h3>\n      <p>Browse Kuangya protection devices including fuses, breakers, and disconnectors.<\/p>\n    <\/article>\n  <\/div>\n<\/section>\n\n<style>\n\/* Grid *\/\n#sec-resources .res-grid{\n  display:grid;\n  gap:16px;\n  grid-template-columns:repeat(4, minmax(0,1fr)); \/* \u5f3a\u5236 4 \u5217 *\/\n  max-width:1200px;\n  margin:12px auto 0;\n}\n#sec-resources .res-card{\n  background:#fff;\n  border:1px solid #E5E7EB;\n  border-radius:12px;\n  padding:16px;\n  box-shadow:0 1px 2px rgba(0,0,0,.04);\n}\n#sec-resources .res-card h3{\n  font-size:16px;\n  margin:0 0 8px;\n  color:#B5220E;\n}\n#sec-resources .res-card p{\n  font-size:14px;\n  color:#4B5563;\n  line-height:1.55;\n  margin:0;\n}\n\n\/* \u54cd\u5e94\u5f0f *\/\n@media (max-width:1000px){\n  #sec-resources .res-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }\n}\n@media (max-width:640px){\n  #sec-resources .res-grid{ grid-template-columns:1fr; }\n}\n<\/style>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-5bebd20\" data-block-id=\"5bebd20\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-5bebd20-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ee82da3\" data-v=\"4\" data-block-id=\"ee82da3\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ee82da3-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ee82da3-inner-blocks\">\n<!-- ===== SEC11 \u2014 FAQ (2-column card style) ===== -->\n<section id=\"sec-faq\" class=\"ky-sec ky-container\">\n  <h2>FAQ \u2014 RT18 Series Fuse Holders &amp; Links<\/h2>\n  <div class=\"faq-grid\">\n\n    <!-- Item 1 -->\n    <div class=\"faq-card\">\n      <details>\n        <summary>1. What is the function of a fuse in AC circuits?<\/summary>\n        <div class=\"faq-a\">\n          A fuse interrupts the circuit when current exceeds its rated value, preventing overheating, equipment damage, and fire hazards.\n        <\/div>\n      <\/details>\n    <\/div>\n\n    <!-- Item 2 -->\n    <div class=\"faq-card\">\n      <details>\n        <summary>2. How do I choose the right fuse rating?<\/summary>\n        <div class=\"faq-a\">\n          Select based on <strong>system voltage<\/strong>, <strong>load current<\/strong>, and application. RT18 supports links from 2\u2013125A in 10\u00d738, 14\u00d751, 22\u00d758 sizes.\n        <\/div>\n      <\/details>\n    <\/div>\n\n    <!-- Item 3 -->\n    <div class=\"faq-card\">\n      <details>\n        <summary>3. Can RT18 fuse links be used in DC systems?<\/summary>\n        <div class=\"faq-a\">\n          Yes, selected models are tested for <strong>DC250V<\/strong>. For PV 1000V\/1500V, use dedicated <a href=\"\/pt\/dc-fuse\/\" class=\"lnk\">Fus\u00edveis CC<\/a>.\n        <\/div>\n      <\/details>\n    <\/div>\n\n    <!-- Item 4 -->\n    <div class=\"faq-card\">\n      <details>\n        <summary>4. What\u2019s the difference between a fuse and a circuit breaker?<\/summary>\n        <div class=\"faq-a\">\n          A fuse must be replaced after a fault, while a <a href=\"\/pt\/dc-breaker\/\" class=\"lnk\">disjuntor<\/a> can be reset. Fuses respond faster and offer high breaking capacity.\n        <\/div>\n      <\/details>\n    <\/div>\n\n    <!-- Item 5 -->\n    <div class=\"faq-card\">\n      <details>\n        <summary>5. Where should a fuse be installed?<\/summary>\n        <div class=\"faq-a\">\n          Em <strong>s\u00e9rie<\/strong> with the load, typically on the line conductor. In three-phase circuits, protect each phase as required by local codes.\n        <\/div>\n      <\/details>\n    <\/div>\n\n    <!-- Item 6 -->\n    <div class=\"faq-card\">\n      <details>\n        <summary>6. When should fuse links be replaced?<\/summary>\n        <div class=\"faq-a\">\n          Only after operation due to a fault, or if inspection shows discoloration, deformation, or loose contacts. No routine scheduled replacement needed.\n        <\/div>\n      <\/details>\n    <\/div>\n\n    <!-- Item 7 -->\n    <div class=\"faq-card\">\n      <details>\n        <summary>7. Can I oversize the fuse to avoid nuisance trips?<\/summary>\n        <div class=\"faq-a\">\n          No. Oversizing reduces protection and may allow dangerous fault currents. Match rating to load and cable size for proper coordination.\n        <\/div>\n      <\/details>\n    <\/div>\n\n    <!-- Item 8 -->\n    <div class=\"faq-card\">\n      <details>\n        <summary>8. Are RT18 holders universal?<\/summary>\n        <div class=\"faq-a\">\n          No. Each holder matches its fuse size: RT18-32 (10\u00d738), RT18-63 (14\u00d751), RT18-125 (22\u00d758).\n        <\/div>\n      <\/details>\n    <\/div>\n\n  <\/div>\n<\/section>\n\n<style>\n#sec-faq{\n  padding:32px 0;\n}\n#sec-faq h2{\n  text-align:center;\n  font-size:24px;\n  margin-bottom:18px;\n  color:#111827;\n}\n\n\/* grid layout *\/\n#sec-faq .faq-grid{\n  display:grid;\n  grid-template-columns:repeat(2,1fr);\n  gap:16px;\n  max-width:1160px;\n  margin:0 auto;\n}\n@media(max-width:690px){\n  #sec-faq .faq-grid{ grid-template-columns:1fr; }\n}\n\n\/* card *\/\n#sec-faq .faq-card{\n  background:#fff;\n  border:1px solid #E6EBF2;\n  border-radius:12px;\n  box-shadow:0 4px 12px rgba(0,0,0,.06);\n  overflow:hidden;\n}\n\n\/* details *\/\n#sec-faq details{ border:none; }\n#sec-faq summary{\n  list-style:none;\n  cursor:pointer;\n  padding:14px 16px;\n  font-weight:600;\n  color:#0F172A;\n  display:flex;\n  justify-content:space-between;\n  align-items:center;\n}\n#sec-faq summary::-webkit-details-marker{ display:none; }\n#sec-faq summary::after{\n  content:\"+\";\n  font-size:16px;\n  color:#B5220E;\n  transition:.2s;\n}\n#sec-faq details[open] summary::after{\n  content:\"\u2013\";\n  color:#FD5732;\n}\n#sec-faq .faq-a{\n  padding:0 16px 14px 16px;\n  font-size:14px;\n  color:#4B5563;\n  line-height:1.55;\n}\n#sec-faq .lnk{ color:#FD5732; text-decoration:underline; }\n<\/style>\n<\/div><\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>AC Fuse RT18 Series Fuse Holder &amp; Fuse Link \u2014 32A \/ 63A \/ 125A, up to AC690V Designed for distribution panels, motor control centers, and commercial power systems. The RT18 family combines high breaking capacity with reliable performance, while compact holders and replaceable fuse links ensure safe installation, easy maintenance, and compliance with IEC [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-746","page","type-page","status-publish","hentry"],"blocksy_meta":{"has_hero_section":"disabled","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/pt\/wp-json\/wp\/v2\/pages\/746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cnkuangya.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/pt\/wp-json\/wp\/v2\/comments?post=746"}],"version-history":[{"count":20,"href":"https:\/\/cnkuangya.com\/pt\/wp-json\/wp\/v2\/pages\/746\/revisions"}],"predecessor-version":[{"id":2047,"href":"https:\/\/cnkuangya.com\/pt\/wp-json\/wp\/v2\/pages\/746\/revisions\/2047"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/pt\/wp-json\/wp\/v2\/media?parent=746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}