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13px!important;width:100%!important}.shz-lw42-ref-form textarea{min-height:126px!important}.shz-lw42-ref-form button[type=submit],.shz-lw42-ref-form .ff-btn-submit{width:100%!important;min-height:46px!important;border-radius:3px!important;background:#062b52!important;border-color:#062b52!important;color:#fff!important;font-weight:900!important}.shz-lw42-ref-form p{margin:12px 0 0;color:#6b7687;font-size:12px;text-align:center}@media(max-width:1080px){.shz-lw42-ref-product-media{height:330px}.shz-lw42-ref-position-grid,.shz-lw42-ref-ratings-grid,.shz-lw42-ref-quality-grid,.shz-lw42-ref-quote-grid{grid-template-columns:1fr}.shz-lw42-ref-check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:641px) and (max-width:900px){.shz-lw42-ref-product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.shz-lw42-ref-product-media{height:260px}.shz-lw42-ref-product-copy{padding:20px}.shz-lw42-ref-product-copy h3{font-size:18px}.shz-lw42-ref-product-copy p{font-size:13px}.shz-lw42-ref-timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.shz-lw42-ref-timeline:before{display:none}}@media(max-width:640px){.shz-lw42-sec{padding:54px 0}.shz-lw42-ref-head-center{text-align:left}.shz-lw42-ref-head-center .shz-lw42-ref-kicker{justify-content:flex-start}.shz-lw42-ref-product-grid,.shz-lw42-ref-timeline,.shz-lw42-ref-check-grid{grid-template-columns:1fr}.shz-lw42-ref-product-media{height:300px}.shz-lw42-ref-product-copy{padding:22px}.shz-lw42-ref-ratings-grid,.shz-lw42-ref-quote-grid{gap:28px}.shz-lw42-ref-tablebox{overflow-x:auto}.shz-lw42-ref-tablebox table{min-width:520px}.shz-lw42-ref-summary{padding:22px}.shz-lw42-ref-applications{min-height:auto;padding:54px 0}.shz-lw42-ref-app-card{padding:28px}.shz-lw42-ref-form{padding:18px}}\n\/* SHZ-LW42-REFERENCE-SKIN-V1 END *\/\n\n<\/style>\n<section class=\"shz-lw42 shz-lw42-hero\" aria-label=\"LW42 rotary cam switch banner\">\n  <div class=\"shz-lw42-bg\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/06\/shieldhz-lw42-series-collection-banner-preserve-color.webp\" alt=\"Shieldhz LW42 rotary cam switch collection with preserved product colors for panel, DIN rail, single-hole, and waterproof box formats\" loading=\"eager\" decoding=\"async\"><\/div>\n  <div class=\"shz-lw42-mask\"><\/div>\n  <div class=\"shz-lw42-hero-inner\"><div class=\"shz-lw42-hero-content\">\n    <span class=\"shz-lw42-eyebrow\">LW42 Series Universal Changeover Switch<\/span>\n    <h1 class=\"shz-lw42-title\"><span class=\"main\">LW42 Rotary Cam Switch<\/span><span class=\"sub\">20A to 32A, 440V AC<\/span><\/h1>\n    <p class=\"shz-lw42-desc\">Compact universal rotary cam switch for panel mounting, single-hole mounting, key-lock operation, and padlock handle assemblies. Use LW42 for control panels that need clear position switching with configurable contact stages.<\/p>\n    <div class=\"shz-lw42-actions\"><a class=\"shz-lw42-btn shz-lw42-btn-primary\" href=\"#lw42-specs\">View Technical Parameters<\/a><a class=\"shz-lw42-btn shz-lw42-btn-secondary\" href=\"#ct-popup-1234\">Request a Quote<\/a><\/div>\n  <\/div><\/div>\n  <div class=\"shz-lw42-metrics\"><div class=\"shz-lw42-metrics-grid\"><div class=\"shz-lw42-metric\"><b>20A \/ 25A \/ 32A<\/b><span>Thermal Current Ith<\/span><\/div><div class=\"shz-lw42-metric\"><b>440V AC<\/b><span>Rated Voltage Ue<\/span><\/div><div class=\"shz-lw42-metric\"><b>AC-23A<\/b><span>20A to 32A<\/span><\/div><div class=\"shz-lw42-metric\"><b>0.3M cycles<\/b><span>Mechanical Life<\/span><\/div><\/div><\/div>\n<\/section>\n<!-- SHZ-SERIES-TRUSTBAR: Certification logo marquee copied from LW28 series page -->\n<style id=\"shz-series-trustbar-style\">\n  .shz-series-trustbar{--tb-item:260px;--tb-gap:24px;position:relative;padding:20px 0;margin:0;overflow:hidden;background:#f4f7fb;border-bottom:1px solid #e0e8f0}\n  .shz-series-trustbar-inner{position:relative;z-index:1;max-width:1440px;margin:0 auto;padding:0 16px}\n  .shz-series-trustbar-head{display:flex;align-items:center;gap:10px;margin:0 0 12px;color:#7a90ad;font-size:.74rem;text-transform:uppercase;letter-spacing:.10em;font-weight:700}\n  .shz-series-trustbar-head:before,.shz-series-trustbar-head:after{content:\"\";flex:1;height:1px;background:#dde4ed}\n  .shz-series-trustbar-viewport{width:100%;overflow:hidden}\n  .shz-series-trustbar-track{display:flex;width:max-content;animation:shzSeriesTrustScroll 18s linear infinite;will-change:transform}\n  .shz-series-trustbar-set{display:flex;align-items:center;gap:var(--tb-gap);min-width:calc((var(--tb-item) * 7) + (var(--tb-gap) * 6));padding-right:var(--tb-gap)}\n  .shz-series-trustbar-item{width:var(--tb-item);height:88px;border-radius:10px;border:1px solid #dde4ed;background:#fff;box-shadow:0 2px 8px rgba(17,28,46,.08),0 1px 2px rgba(17,28,46,.04);display:flex;align-items:center;justify-content:center;padding:8px 14px;flex:0 0 auto}\n  .shz-series-trustbar-item img{height:44px;width:auto;max-width:100%;object-fit:contain;display:block}\n  @keyframes shzSeriesTrustScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}\n  @media(max-width:690px){.shz-series-trustbar{--tb-item:210px;--tb-gap:14px}.shz-series-trustbar-item{height:74px}.shz-series-trustbar-item img{height:36px}.shz-series-trustbar-track{animation-duration:15s}}\n<\/style>\n<section class=\"shz-series-trustbar\" aria-label=\"Certifications and standards\">\n  <div class=\"shz-series-trustbar-inner\">\n    <div class=\"shz-series-trustbar-head\">Certified &amp; Standards-Based<\/div>\n    <div class=\"shz-series-trustbar-viewport\">\n      <div class=\"shz-series-trustbar-track\" aria-hidden=\"true\">\n        <div class=\"shz-series-trustbar-set\">\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ce-mark.webp\" alt=\"CE conformity mark certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-tuv-rheinland-mark.webp\" alt=\"TUV Rheinland certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ul-mark.webp\" alt=\"UL certification mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ccc-mark.webp\" alt=\"China Compulsory Certification CCC mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ukca-mark.webp\" alt=\"UKCA conformity assessment mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-rohs-mark.webp\" alt=\"RoHS compliance certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-iso-9001-mark.webp\" alt=\"ISO 9001 quality management certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n        <\/div>\n        <div class=\"shz-series-trustbar-set\">\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ce-mark.webp\" alt=\"CE conformity mark certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-tuv-rheinland-mark.webp\" alt=\"TUV Rheinland certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ul-mark.webp\" alt=\"UL certification mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ccc-mark.webp\" alt=\"China Compulsory Certification CCC mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ukca-mark.webp\" alt=\"UKCA conformity assessment mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-rohs-mark.webp\" alt=\"RoHS compliance certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-iso-9001-mark.webp\" alt=\"ISO 9001 quality management certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- SHZ-LW42-HERO END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-lw42formats\" data-block-id=\"lw42formats\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-lw42formats-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-lw42formatsc\" data-v=\"4\" data-block-id=\"lw42formatsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-lw42formatsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-lw42formatsc-inner-blocks\">\n<!-- SHZ-LW42-FORMATS START -->\n<style id=\"shz-lw42-product-matrix-v1\">\nbody.page-id-1378 .shz-lw42-ref-mounting{background:#f4f6f9;padding-top:62px;padding-bottom:68px}\nbody.page-id-1378 .shz-lw42-ref-mounting .shz-lw42-wrap{max-width:1440px;padding:0 clamp(24px,3vw,44px)}\nbody.page-id-1378 .shz-lw42-ref-mounting .shz-lw42-ref-head{max-width:780px;margin:0 0 28px;text-align:left}\nbody.page-id-1378 .shz-lw42-ref-mounting .shz-lw42-ref-head .shz-lw42-ref-kicker{justify-content:flex-start}\nbody.page-id-1378 .shz-lw42-ref-mounting .shz-lw42-ref-head h2{font-size:clamp(30px,3vw,42px);line-height:1.06}\nbody.page-id-1378 .shz-lw42-ref-mounting .shz-lw42-ref-head p{max-width:700px;font-size:15px;line-height:1.55}\nbody.page-id-1378 .shz-lw42-ref-product-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}\nbody.page-id-1378 .shz-lw42-ref-product-card{background:#fff;border:1px solid #d8e2ee;border-radius:8px;box-shadow:none;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}\nbody.page-id-1378 .shz-lw42-ref-product-card>a{display:grid;grid-template-rows:auto 1fr;height:100%;color:inherit!important;text-decoration:none!important;cursor:pointer}\nbody.page-id-1378 .shz-lw42-ref-product-card>a:focus{outline:none}\nbody.page-id-1378 .shz-lw42-ref-product-card:focus-within{border-color:#4a8fd4;box-shadow:0 0 0 3px rgba(74,143,212,.22),0 12px 28px rgba(17,28,46,.08)}\nbody.page-id-1378 .shz-lw42-ref-product-card:hover{transform:translateY(-2px);border-color:#b9cbe0;box-shadow:0 12px 28px rgba(17,28,46,.08)}\nbody.page-id-1378 .shz-lw42-ref-product-media{height:260px;background:linear-gradient(180deg,#fbfcff 0%,#f1f4f8 100%);border-bottom:1px solid #d8e2ee}\nbody.page-id-1378 .shz-lw42-ref-product-media img{padding:10px;transform:scale(1);object-fit:contain}\nbody.page-id-1378 .shz-lw42-ref-product-card:nth-child(1) .shz-lw42-ref-product-media img{transform:scale(1.08)}\nbody.page-id-1378 .shz-lw42-ref-product-card:nth-child(3) .shz-lw42-ref-product-media img{transform:scale(1.04)}\nbody.page-id-1378 .shz-lw42-ref-product-copy{min-height:178px;padding:18px 18px 20px;text-align:left}\nbody.page-id-1378 .shz-lw42-ref-product-copy span{justify-content:flex-start;min-height:24px;padding:0 10px;border-radius:999px;background:#edf3fa;color:#294370;font-size:10px;letter-spacing:.09em}\nbody.page-id-1378 .shz-lw42-ref-product-copy h3{margin:13px 0 7px;font-size:17px;line-height:1.2}\nbody.page-id-1378 .shz-lw42-ref-product-copy p{max-width:none;margin:0;color:#58677c;font-size:13px;line-height:1.45}\n@media(max-width:1180px){body.page-id-1378 .shz-lw42-ref-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}body.page-id-1378 .shz-lw42-ref-product-media{height:260px}body.page-id-1378 .shz-lw42-ref-product-copy{min-height:150px}}\n@media(max-width:640px){body.page-id-1378 .shz-lw42-ref-mounting{padding-top:52px;padding-bottom:54px}body.page-id-1378 .shz-lw42-ref-product-grid{grid-template-columns:1fr}body.page-id-1378 .shz-lw42-ref-product-media{height:230px}body.page-id-1378 .shz-lw42-ref-product-copy{min-height:0}}\n<\/style>\n<section id=\"lw42-mounting\" class=\"shz-lw42 shz-lw42-sec shz-lw42-ref-mounting\" aria-labelledby=\"lw42-mounting-title\">\n  <div class=\"shz-lw42-wrap\">\n    <header class=\"shz-lw42-ref-head shz-lw42-ref-head-center\">\n      <span class=\"shz-lw42-ref-kicker\">Mounting options<\/span>\n      <h2 id=\"lw42-mounting-title\">Choose the LW42 Assembly Format<\/h2>\n      <p>Use the assembly images as the first selection step. Each format changes panel cutout, cabinet depth, rail space, enclosure clearance, and handle access.<\/p>\n    <\/header>\n    <div class=\"shz-lw42-ref-product-grid\" aria-label=\"LW42 mounting product images\">\n      <article class=\"shz-lw42-ref-product-card\"><a href=\"#lw42-quote-dialog\" role=\"button\" aria-haspopup=\"dialog\" class=\"shz-lw42-ref-product-quote-link\" aria-label=\"Request quote for LW42 Single-hole mounting\" onclick=\"event.preventDefault();(function(p){if(!p){return;}var esc;function c(){p.classList.remove('shz-lw42-popup-open','active','ct-active','ct-open');document.body.classList.remove('shz-lw42-popup-lock','ct-popup-open','popup-open');p.removeAttribute('aria-modal');p.setAttribute('aria-hidden','true');p.onclick=null;if(esc){document.removeEventListener('keydown',esc);}if(location.hash==='#ct-popup-1234'&#038;&#038;history.replaceState){history.replaceState(null,'',location.pathname+location.search);}}esc=function(e){if(e.key==='Escape'){c();}};p.classList.add('shz-lw42-popup-open');p.removeAttribute('inert');p.removeAttribute('aria-hidden');p.setAttribute('role','dialog');p.setAttribute('aria-modal','true');document.body.classList.add('shz-lw42-popup-lock');p.querySelectorAll('.ct-toggle-close').forEach(function(b){b.onclick=function(e){e.preventDefault();c();};});p.onclick=function(e){if(!e.target.closest('.shieldhz-form-section-container')){e.preventDefault();c();}};document.addEventListener('keydown',esc);var f=p.querySelector('input,textarea,select,button,a[href]');if(f){setTimeout(function(){try{f.focus({preventScroll:true});}catch(e){}},40);}})(document.getElementById('ct-popup-1234'));return false;\"><div class=\"shz-lw42-ref-product-media\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/06\/shieldhz-lw42-single-hole-mounting-imagen-bg-clean.webp\" alt=\"Shieldhz LW42 single-hole mounting rotary cam switch\" loading=\"eager\" decoding=\"async\" class=\"skip-lazy no-lazyload\" data-no-lazy=\"1\" data-skip-lazy=\"1\"><\/div><div class=\"shz-lw42-ref-product-copy\"><span>01<\/span><h3>Single-hole mounting<\/h3><p>Front-panel installation through one opening. Confirm hole size, panel thickness, anti-rotation detail, and rear depth.<\/p><\/div><\/a><\/article>\n      <article class=\"shz-lw42-ref-product-card\"><a href=\"#lw42-quote-dialog\" role=\"button\" aria-haspopup=\"dialog\" class=\"shz-lw42-ref-product-quote-link\" aria-label=\"Request quote for LW42 DIN-rail mounting\" onclick=\"event.preventDefault();(function(p){if(!p){return;}var esc;function c(){p.classList.remove('shz-lw42-popup-open','active','ct-active','ct-open');document.body.classList.remove('shz-lw42-popup-lock','ct-popup-open','popup-open');p.removeAttribute('aria-modal');p.setAttribute('aria-hidden','true');p.onclick=null;if(esc){document.removeEventListener('keydown',esc);}if(location.hash==='#ct-popup-1234'&#038;&#038;history.replaceState){history.replaceState(null,'',location.pathname+location.search);}}esc=function(e){if(e.key==='Escape'){c();}};p.classList.add('shz-lw42-popup-open');p.removeAttribute('inert');p.removeAttribute('aria-hidden');p.setAttribute('role','dialog');p.setAttribute('aria-modal','true');document.body.classList.add('shz-lw42-popup-lock');p.querySelectorAll('.ct-toggle-close').forEach(function(b){b.onclick=function(e){e.preventDefault();c();};});p.onclick=function(e){if(!e.target.closest('.shieldhz-form-section-container')){e.preventDefault();c();}};document.addEventListener('keydown',esc);var f=p.querySelector('input,textarea,select,button,a[href]');if(f){setTimeout(function(){try{f.focus({preventScroll:true});}catch(e){}},40);}})(document.getElementById('ct-popup-1234'));return false;\"><div class=\"shz-lw42-ref-product-media\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/06\/shieldhz-lw42-din-rail-mounting-bg-matched.webp\" alt=\"Shieldhz LW42 DIN-rail mounting rotary cam switch assemblies\" loading=\"eager\" decoding=\"async\" class=\"skip-lazy no-lazyload\" data-no-lazy=\"1\" data-skip-lazy=\"1\"><\/div><div class=\"shz-lw42-ref-product-copy\"><span>02<\/span><h3>DIN-rail mounting<\/h3><p>Cabinet rail installation. Confirm rail position, handle access, wire bend radius, and terminal clearance.<\/p><\/div><\/a><\/article>\n      <article class=\"shz-lw42-ref-product-card\"><a href=\"#lw42-quote-dialog\" role=\"button\" aria-haspopup=\"dialog\" class=\"shz-lw42-ref-product-quote-link\" aria-label=\"Request quote for LW42 Waterproof box assembly\" onclick=\"event.preventDefault();(function(p){if(!p){return;}var esc;function c(){p.classList.remove('shz-lw42-popup-open','active','ct-active','ct-open');document.body.classList.remove('shz-lw42-popup-lock','ct-popup-open','popup-open');p.removeAttribute('aria-modal');p.setAttribute('aria-hidden','true');p.onclick=null;if(esc){document.removeEventListener('keydown',esc);}if(location.hash==='#ct-popup-1234'&#038;&#038;history.replaceState){history.replaceState(null,'',location.pathname+location.search);}}esc=function(e){if(e.key==='Escape'){c();}};p.classList.add('shz-lw42-popup-open');p.removeAttribute('inert');p.removeAttribute('aria-hidden');p.setAttribute('role','dialog');p.setAttribute('aria-modal','true');document.body.classList.add('shz-lw42-popup-lock');p.querySelectorAll('.ct-toggle-close').forEach(function(b){b.onclick=function(e){e.preventDefault();c();};});p.onclick=function(e){if(!e.target.closest('.shieldhz-form-section-container')){e.preventDefault();c();}};document.addEventListener('keydown',esc);var f=p.querySelector('input,textarea,select,button,a[href]');if(f){setTimeout(function(){try{f.focus({preventScroll:true});}catch(e){}},40);}})(document.getElementById('ct-popup-1234'));return false;\"><div class=\"shz-lw42-ref-product-media\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/06\/shieldhz-lw42-waterproof-box-mounting-shp0-sht0-imagen-bg-clean.webp\" alt=\"Shieldhz LW42 waterproof box assembly with red yellow handle\" loading=\"lazy\" decoding=\"async\" class=\"skip-lazy no-lazyload\" data-no-lazy=\"1\" data-skip-lazy=\"1\"><\/div><div class=\"shz-lw42-ref-product-copy\"><span>03<\/span><h3>Waterproof box assembly<\/h3><p>SHP0\/SHT0 enclosure setup for wet-area or dust-prone positions. Confirm IP level, cable entry, box model, and handle type.<\/p><\/div><\/a><\/article>\n      <article class=\"shz-lw42-ref-product-card\"><a href=\"#lw42-quote-dialog\" role=\"button\" aria-haspopup=\"dialog\" class=\"shz-lw42-ref-product-quote-link\" aria-label=\"Request quote for LW42 Panel mounting\" onclick=\"event.preventDefault();(function(p){if(!p){return;}var esc;function c(){p.classList.remove('shz-lw42-popup-open','active','ct-active','ct-open');document.body.classList.remove('shz-lw42-popup-lock','ct-popup-open','popup-open');p.removeAttribute('aria-modal');p.setAttribute('aria-hidden','true');p.onclick=null;if(esc){document.removeEventListener('keydown',esc);}if(location.hash==='#ct-popup-1234'&#038;&#038;history.replaceState){history.replaceState(null,'',location.pathname+location.search);}}esc=function(e){if(e.key==='Escape'){c();}};p.classList.add('shz-lw42-popup-open');p.removeAttribute('inert');p.removeAttribute('aria-hidden');p.setAttribute('role','dialog');p.setAttribute('aria-modal','true');document.body.classList.add('shz-lw42-popup-lock');p.querySelectorAll('.ct-toggle-close').forEach(function(b){b.onclick=function(e){e.preventDefault();c();};});p.onclick=function(e){if(!e.target.closest('.shieldhz-form-section-container')){e.preventDefault();c();}};document.addEventListener('keydown',esc);var f=p.querySelector('input,textarea,select,button,a[href]');if(f){setTimeout(function(){try{f.focus({preventScroll:true});}catch(e){}},40);}})(document.getElementById('ct-popup-1234'));return false;\"><div class=\"shz-lw42-ref-product-media\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/06\/shieldhz-lw42-panel-mounting-imagen-bg-clean.webp\" alt=\"Shieldhz LW42 panel mounting rotary cam switch assemblies\" loading=\"lazy\" decoding=\"async\" class=\"skip-lazy no-lazyload\" data-no-lazy=\"1\" data-skip-lazy=\"1\"><\/div><div class=\"shz-lw42-ref-product-copy\"><span>04<\/span><h3>Panel mounting<\/h3><p>Door or plate-mounted operator control. Confirm handle color, marking, OFF position, and contact stack depth.<\/p><\/div><\/a><\/article>\n    <\/div>\n  <\/div>\n<\/section>\n<style id=\"shz-lw42-popup-fallback-v1\">\nbody.page-id-1378.shz-lw42-popup-lock{overflow:hidden!important}\nbody.page-id-1378 #ct-popup-1234.shz-lw42-popup-open{position:fixed!important;inset:0!important;z-index:999999!important;display:flex!important;align-items:center!important;justify-content:center!important;width:100vw!important;height:100dvh!important;max-width:none!important;max-height:none!important;padding:24px!important;background:rgba(6,18,34,.54)!important;visibility:visible!important;opacity:1!important;pointer-events:auto!important;transform:none!important}\nbody.page-id-1378 #ct-popup-1234.shz-lw42-popup-open .ct-popup-inner{position:relative!important;width:min(980px,calc(100vw - 40px))!important;max-height:calc(100dvh - 48px)!important;overflow:auto!important;border-radius:14px!important;box-shadow:0 28px 80px rgba(0,0,0,.32)!important;background:#fff!important}\nbody.page-id-1378 #ct-popup-1234.shz-lw42-popup-open .ct-popup-inner>article{position:relative!important;margin:0!important;border-radius:14px!important;overflow:hidden!important}\nbody.page-id-1378 #ct-popup-1234.shz-lw42-popup-open .ct-toggle-close{z-index:3!important}\n@media(max-width:640px){body.page-id-1378 #ct-popup-1234.shz-lw42-popup-open{padding:14px!important;align-items:flex-start!important}body.page-id-1378 #ct-popup-1234.shz-lw42-popup-open .ct-popup-inner{width:calc(100vw - 28px)!important;max-height:calc(100dvh - 28px)!important}}\n<\/style>\n<!-- SHZ-LW42-FORMATS END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-lw42intro\" data-block-id=\"lw42intro\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-lw42intro-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-lw42introc\" data-v=\"4\" data-block-id=\"lw42introc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-lw42introc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-lw42introc-inner-blocks\">\n<!-- SHZ-LW42-INTRO START -->\n<section class=\"shz-lw42 shz-lw42-sec shz-lw42-ref-position\">\n  <div class=\"shz-lw42-wrap shz-lw42-ref-position-grid\">\n    <div class=\"shz-lw42-ref-position-copy\">\n      <span class=\"shz-lw42-ref-kicker\">Series Position<\/span>\n      <h2>Universal Changeover Switch for Compact Panels<\/h2>\n      <p>LW42 covers 20A, 25A, and 32A current classes with several operation formats. It sits alongside the LW28 rotary cam switch family, but is positioned for compact control cabinets, small machinery panels, HVAC control boxes, and operator stations where panel space is limited.<\/p>\n    <\/div>\n    <div class=\"shz-lw42-ref-feature-stack\" aria-label=\"LW42 engineering selection notes\">\n      <article><b>Standardized footprint<\/b><span>Optimized for compact operator layouts and repeated cabinet builds.<\/span><\/article>\n      <article><b>Versatile schematics<\/b><span>Supports custom contact sequences for motor control and source selection.<\/span><\/article>\n    <\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-LW42-INTRO END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-lw42specs\" data-block-id=\"lw42specs\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-lw42specs-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-lw42specsc\" data-v=\"4\" data-block-id=\"lw42specsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-lw42specsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-lw42specsc-inner-blocks\">\n<!-- SHZ-LW42-SPECS START -->\n<section id=\"lw42-specs\" class=\"shz-lw42 shz-lw42-sec shz-lw42-ref-ratings\">\n  <div class=\"shz-lw42-wrap shz-lw42-ref-ratings-grid\">\n    <div>\n      <span class=\"shz-lw42-ref-kicker\">Technical Parameters<\/span>\n      <h2>LW42 Electrical Ratings<\/h2>\n      <p>Use these ratings as the first sizing filter. Final selection still depends on utilization category, contact program, installation depth, and certificate market.<\/p>\n      <div class=\"shz-lw42-ref-tablebox\"><table aria-label=\"LW42 electrical ratings\"><thead><tr><th>Model<\/th><th>Ith A<\/th><th>AC-23A Ie A<\/th><th>AC-3 Ie A<\/th><\/tr><\/thead><tbody><tr><td>LW42-20<\/td><td>20<\/td><td>20<\/td><td>11<\/td><\/tr><tr><td>LW42-25<\/td><td>25<\/td><td>25<\/td><td>15<\/td><\/tr><tr><td>LW42-32<\/td><td>32<\/td><td>32<\/td><td>18<\/td><\/tr><\/tbody><\/table><\/div>\n    <\/div>\n    <aside class=\"shz-lw42-ref-summary\" aria-label=\"LW42 technical summary\">\n      <h3>Technical Summary<\/h3>\n      <dl><div><dt>Rated voltage Ue<\/dt><dd>440V AC<\/dd><\/div><div><dt>Protection class<\/dt><dd>IP40 \/ IP65 optional<\/dd><\/div><div><dt>Operating frequency<\/dt><dd>120 times\/hour<\/dd><\/div><div><dt>Reference standard<\/dt><dd>IEC 60947-3 context<\/dd><\/div><\/dl>\n      <p>For motor or inductive load switching, confirm AC-23A or AC-3 duty before model lock.<\/p>\n    <\/aside>\n  <\/div>\n<\/section>\n<!-- SHZ-LW42-SPECS END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-lw42select\" data-block-id=\"lw42select\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-lw42select-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-lw42selectc\" data-v=\"4\" data-block-id=\"lw42selectc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-lw42selectc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-lw42selectc-inner-blocks\">\n<!-- SHZ-LW42-SELECTION START -->\n<section class=\"shz-lw42 shz-lw42-sec shz-lw42-ref-selection\">\n  <div class=\"shz-lw42-wrap\">\n    <header class=\"shz-lw42-ref-head shz-lw42-ref-head-center\"><span class=\"shz-lw42-ref-kicker\">Selection Guide<\/span><h2>How To Specify An LW42 Switch<\/h2><p>Follow this four-step process to ensure the correct model configuration for your project.<\/p><\/header>\n    <div class=\"shz-lw42-ref-timeline\" aria-label=\"LW42 selection process\">\n      <article><b>01<\/b><h3>Project inputs<\/h3><p>Current rating, load duty, quantity, and target market.<\/p><\/article>\n      <article><b>02<\/b><h3>Assembly route<\/h3><p>Single-hole, DIN-rail, waterproof box, or panel mounting.<\/p><\/article>\n      <article><b>03<\/b><h3>Contact program<\/h3><p>Handle positions, switching sequence, marking, and stage count.<\/p><\/article>\n      <article><b>04<\/b><h3>Confirmed package<\/h3><p>Model code, drawing route, sample plan, certificate scope, and lead time.<\/p><\/article>\n    <\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-LW42-SELECTION END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-lw42dims\" data-block-id=\"lw42dims\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-lw42dims-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-lw42dimsc\" data-v=\"4\" data-block-id=\"lw42dimsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-lw42dimsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-lw42dimsc-inner-blocks\">\n<!-- SHZ-LW42-DIMS START -->\n<style id=\"shz-lw42-dims-topology-v1\">\nbody.page-id-1378 .shz-lw42-ref-drawing{position:relative;overflow:hidden;background:linear-gradient(180deg,#082b52 0%,#061a34 100%);color:#fff}\nbody.page-id-1378 .shz-lw42-ref-drawing:before{content:\"\";position:absolute;inset:0;background-image:linear-gradient(rgba(157,197,244,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(157,197,244,.08) 1px,transparent 1px);background-size:42px 42px;opacity:.45;pointer-events:none}\nbody.page-id-1378 .shz-lw42-ref-drawing .shz-lw42-wrap{position:relative;z-index:1}\nbody.page-id-1378 .shz-lw42-ref-drawing .shz-lw42-ref-head{max-width:760px;margin-bottom:30px}\nbody.page-id-1378 .shz-lw42-ref-drawing .shz-lw42-ref-kicker{color:#9dc5f4}\nbody.page-id-1378 .shz-lw42-ref-drawing .shz-lw42-ref-kicker:before{background:#9dc5f4}\nbody.page-id-1378 .shz-lw42-ref-drawing h2{color:#fff;font-size:clamp(30px,3vw,42px)}\nbody.page-id-1378 .shz-lw42-ref-drawing p{color:#c8d8ea}\nbody.page-id-1378 .shz-lw42-topology{display:grid;grid-template-columns:minmax(300px,.9fr) 54px minmax(300px,.9fr) 54px minmax(260px,.68fr);gap:18px;align-items:center}\nbody.page-id-1378 .shz-lw42-topology-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}\nbody.page-id-1378 .shz-lw42-topology-node,body.page-id-1378 .shz-lw42-topology-core,body.page-id-1378 .shz-lw42-topology-output{border:1px solid rgba(157,197,244,.28);background:rgba(255,255,255,.055);border-radius:8px;box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}\nbody.page-id-1378 .shz-lw42-topology-node{padding:18px;min-height:112px}\nbody.page-id-1378 .shz-lw42-topology-node small,body.page-id-1378 .shz-lw42-topology-core small,body.page-id-1378 .shz-lw42-topology-output small{display:block;margin-bottom:9px;color:#9dc5f4;font-size:11px;font-weight:900;letter-spacing:.11em;text-transform:uppercase}\nbody.page-id-1378 .shz-lw42-topology-node b,body.page-id-1378 .shz-lw42-topology-core h3,body.page-id-1378 .shz-lw42-topology-output h3{display:block;margin:0;color:#fff;font-size:17px;font-weight:900;line-height:1.2}\nbody.page-id-1378 .shz-lw42-topology-node span,body.page-id-1378 .shz-lw42-topology-core li,body.page-id-1378 .shz-lw42-topology-output span{display:block;margin-top:8px;color:#c8d8ea;font-size:13px;line-height:1.45}\nbody.page-id-1378 .shz-lw42-topology-core{padding:26px;background:rgba(74,143,212,.15);border-color:rgba(157,197,244,.42)}\nbody.page-id-1378 .shz-lw42-topology-core ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:10px}\nbody.page-id-1378 .shz-lw42-topology-core li{position:relative;margin:0;padding-left:18px}\nbody.page-id-1378 .shz-lw42-topology-core li:before{content:\"\";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:99px;background:#4a8fd4}\nbody.page-id-1378 .shz-lw42-topology-output{padding:24px;background:#f7fbff;color:#111c2e;border-color:#dbe8f6}\nbody.page-id-1378 .shz-lw42-topology-output small{color:#294370}\nbody.page-id-1378 .shz-lw42-topology-output h3{color:#111c2e}\nbody.page-id-1378 .shz-lw42-topology-output span{color:#53657a}\nbody.page-id-1378 .shz-lw42-topology-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}\nbody.page-id-1378 .shz-lw42-topology-tags i{font-style:normal;display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:999px;background:#edf3fa;color:#294370;font-size:11px;font-weight:850}\nbody.page-id-1378 .shz-lw42-flow{position:relative;height:2px;background:linear-gradient(90deg,rgba(157,197,244,.25),#4a8fd4)}\nbody.page-id-1378 .shz-lw42-flow:after{content:\"\";position:absolute;right:-1px;top:50%;width:10px;height:10px;border-top:2px solid #4a8fd4;border-right:2px solid #4a8fd4;transform:translateY(-50%) rotate(45deg)}\n@media(max-width:1060px){body.page-id-1378 .shz-lw42-topology{grid-template-columns:1fr;gap:14px}body.page-id-1378 .shz-lw42-flow{width:2px;height:34px;margin:0 0 0 28px;background:linear-gradient(180deg,rgba(157,197,244,.25),#4a8fd4)}body.page-id-1378 .shz-lw42-flow:after{right:auto;left:50%;top:auto;bottom:-1px;transform:translateX(-50%) rotate(135deg)}}\n@media(max-width:640px){body.page-id-1378 .shz-lw42-topology-inputs{grid-template-columns:1fr}body.page-id-1378 .shz-lw42-topology-node{min-height:auto;padding:16px}body.page-id-1378 .shz-lw42-topology-core,body.page-id-1378 .shz-lw42-topology-output{padding:20px}}\n<\/style>\n<section class=\"shz-lw42 shz-lw42-sec shz-lw42-ref-drawing\" aria-labelledby=\"lw42-drawing-title\">\n  <div class=\"shz-lw42-wrap\">\n    <header class=\"shz-lw42-ref-head\"><span class=\"shz-lw42-ref-kicker\">Drawing checks<\/span><h2 id=\"lw42-drawing-title\">From Route Inputs to Final Drawing<\/h2><p>Final dimensions are assembly-dependent. Treat the route, panel opening, rear space, and switching program as one linked confirmation path before sample or batch production.<\/p><\/header>\n    <div class=\"shz-lw42-topology\" aria-label=\"LW42 assembly confirmation topology\">\n      <div class=\"shz-lw42-topology-inputs\">\n        <article class=\"shz-lw42-topology-node\"><small>Input 01<\/small><b>Cutout<\/b><span>Hole size, panel thickness, and anti-rotation detail.<\/span><\/article>\n        <article class=\"shz-lw42-topology-node\"><small>Input 02<\/small><b>Rear depth<\/b><span>Contact stages, terminal access, and wire bend radius.<\/span><\/article>\n        <article class=\"shz-lw42-topology-node\"><small>Input 03<\/small><b>Enclosure<\/b><span>SHP0\/SHT0 route, cable entry direction, and IP requirement.<\/span><\/article>\n        <article class=\"shz-lw42-topology-node\"><small>Input 04<\/small><b>Marking<\/b><span>Handle color, OFF position, plate legend, and target market.<\/span><\/article>\n      <\/div>\n      <div class=\"shz-lw42-flow\" aria-hidden=\"true\"><\/div>\n      <article class=\"shz-lw42-topology-core\"><small>Engineering check<\/small><h3>Assembly lock<\/h3><ul><li>Match route with contact program<\/li><li>Confirm drawing depth and terminal clearance<\/li><li>Check certificate and enclosure scope<\/li><\/ul><\/article>\n      <div class=\"shz-lw42-flow\" aria-hidden=\"true\"><\/div>\n      <article class=\"shz-lw42-topology-output\"><small>Output<\/small><h3>Quotation package<\/h3><span>Model code, final drawing, route notes, and document package before production.<\/span><div class=\"shz-lw42-topology-tags\"><i>Model<\/i><i>Drawing<\/i><i>Quote<\/i><\/div><\/article>\n    <\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-LW42-DIMS END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-lw42quality\" data-block-id=\"lw42quality\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-lw42quality-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-lw42qualityc\" data-v=\"4\" data-block-id=\"lw42qualityc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-lw42qualityc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-lw42qualityc-inner-blocks\">\n<!-- SHZ-LW42-QUALITY START -->\n<section class=\"shz-lw42 shz-lw42-sec shz-lw42-ref-quality\">\n  <div class=\"shz-lw42-wrap shz-lw42-ref-quality-grid\">\n    <figure><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-universal-changeover-switch-testing-station.webp\" alt=\"Shieldhz switch testing station for rotary cam switch quality control\" loading=\"lazy\" decoding=\"async\"><\/figure>\n    <div><span class=\"shz-lw42-ref-kicker\">Quality Control<\/span><h2>Function Check Before Batch Production<\/h2><p>LW42 is usually selected by switching program and installation structure, not only by current rating. For OEM projects, provide the target panel layout, handle legend, position count, and wiring sequence so Shieldhz can confirm contact stage count, terminal arrangement, marking, and document package.<\/p><a href=\"https:\/\/shieldhz.com\/resources\/\">View resources<\/a><\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-LW42-QUALITY END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-lw42apps\" data-block-id=\"lw42apps\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-lw42apps-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-lw42appsc\" data-v=\"4\" data-block-id=\"lw42appsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-lw42appsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-lw42appsc-inner-blocks\">\n<!-- SHZ-LW42-APPLICATIONS START -->\n<style id=\"shz-lw42-applications-scene-v1\">\nbody.page-id-1378 .shz-lw42-ref-applications{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(90deg,rgba(3,18,35,.94) 0%,rgba(7,35,65,.76) 34%,rgba(7,35,65,.25) 64%,rgba(7,35,65,.06) 100%),var(--app-bg) 62% center\/cover no-repeat;color:#fff}\nbody.page-id-1378 .shz-lw42-ref-applications .shz-lw42-wrap{width:100%;display:flex;justify-content:flex-start}\nbody.page-id-1378 .shz-lw42-ref-app-card{position:relative;max-width:510px;padding:8px 0 8px 38px;background:transparent;border:0;border-radius:0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}\nbody.page-id-1378 .shz-lw42-ref-app-card:before{content:\"\";position:absolute;left:0;top:4px;bottom:4px;width:3px;background:#4a8fd4;border-radius:999px}\nbody.page-id-1378 .shz-lw42-ref-app-card .shz-lw42-ref-kicker{color:#9dc5f4}\nbody.page-id-1378 .shz-lw42-ref-app-card .shz-lw42-ref-kicker:before{background:#9dc5f4}\nbody.page-id-1378 .shz-lw42-ref-app-card h2{color:#fff;font-size:clamp(32px,3.2vw,48px);line-height:1.02;text-shadow:0 8px 28px rgba(0,0,0,.3)}\nbody.page-id-1378 .shz-lw42-ref-app-card p{max-width:470px;margin:16px 0 0;color:#d7e5f5;font-size:16px;line-height:1.65}\nbody.page-id-1378 .shz-lw42-ref-app-card ul{max-width:500px;margin:30px 0 0;display:grid;gap:0;border-top:1px solid rgba(255,255,255,.2)}\nbody.page-id-1378 .shz-lw42-ref-app-card li{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.2)}\nbody.page-id-1378 .shz-lw42-ref-app-card b{display:block;color:#fff;font-size:15px;letter-spacing:0}\nbody.page-id-1378 .shz-lw42-ref-app-card span{display:block;margin-top:5px;color:#c4d5ea;font-size:14px;line-height:1.5}\n@media(max-width:760px){body.page-id-1378 .shz-lw42-ref-applications{min-height:auto;padding:68px 0;background:linear-gradient(180deg,rgba(3,18,35,.9) 0%,rgba(7,35,65,.72) 54%,rgba(7,35,65,.48) 100%),var(--app-bg) 70% center\/cover no-repeat}body.page-id-1378 .shz-lw42-ref-app-card{max-width:none;padding:30px 26px 30px 30px;background:rgba(5,26,50,.74);border:1px solid rgba(157,197,244,.28);border-radius:8px;box-shadow:0 22px 52px rgba(0,0,0,.25);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}body.page-id-1378 .shz-lw42-ref-app-card:before{left:0;top:30px;bottom:30px}}\n<\/style>\n<section class=\"shz-lw42 shz-lw42-sec shz-lw42-ref-applications\" style=\"--app-bg:url('https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/06\/shieldhz-lw42-application-control-cabinet-bg-ai.webp')\" aria-label=\"LW42 application scenes\">\n  <div class=\"shz-lw42-wrap\">\n    <div class=\"shz-lw42-ref-app-card\"><span class=\"shz-lw42-ref-kicker\">Applications<\/span><h2>Built for Control Panels<\/h2><p>Use LW42 where compact panels need a clear rotary position, a confirmed contact program, and front-facing operator control.<\/p><ul><li><b>Control panels<\/b><span>Mode selection, source changeover, and local or remote operation.<\/span><\/li><li><b>Machinery<\/b><span>Command circuits for pumps, fans, conveyors, and small equipment panels.<\/span><\/li><li><b>Maintenance access<\/b><span>Panel-mounted or enclosure-mounted handles for visible OFF-position control.<\/span><\/li><\/ul><\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-LW42-APPLICATIONS END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-lw42faq\" data-block-id=\"lw42faq\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-lw42faq-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-lw42faqc\" data-v=\"4\" data-block-id=\"lw42faqc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-lw42faqc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-lw42faqc-inner-blocks\">\n<!-- SHZ-LW42-FAQ START -->\n<section class=\"shz-lw42 shz-lw42-sec shz-lw42-ref-faq\">\n  <div class=\"shz-lw42-wrap\">\n    <header class=\"shz-lw42-ref-head shz-lw42-ref-head-center\"><h2>Frequently Asked Questions<\/h2><p>Technical support for the LW42 rotary cam switch series.<\/p><\/header>\n    <div class=\"shz-lw42-ref-faq-list\"><details open><summary>What current ratings are available for LW42?<\/summary><p>LW42 covers 20A, 25A, and 32A current classes with 440V AC rated operational voltage on this page.<\/p><\/details><details><summary>Which rating should be used for motor loads?<\/summary><p>Use AC-23A or AC-3 according to real switching duty. Share motor power and switching frequency before final selection.<\/p><\/details><details><summary>Which installation formats are available?<\/summary><p>Single-hole mounting, DIN-rail mounting, waterproof box assembly, and panel mounting are shown in the product section.<\/p><\/details><details><summary>Can Shieldhz customize the contact program?<\/summary><p>Yes. Send handle positions, contact sequence, panel legend, and wiring diagram so the contact table can be checked.<\/p><\/details><details><summary>What should be confirmed before quotation?<\/summary><p>Confirm current class, installation route, switching program, handle requirement, certificate market, quantity, and lead time.<\/p><\/details><\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-LW42-FAQ END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-lw42cta\" data-block-id=\"lw42cta\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-lw42cta-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-lw42ctac\" data-v=\"4\" data-block-id=\"lw42ctac\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-lw42ctac-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-lw42ctac-inner-blocks\">\n<!-- SHZ-LW42-CTA START -->\n<style id=\"shz-lw42-cta-align\">\n  .shz-lw42-cta {\n    position: relative !important;\n    overflow: hidden !important;\n    width: 100vw !important;\n    margin: 0 0 0 calc(50% - 50vw) !important;\n    padding: 0 !important;\n    background: linear-gradient(115deg,#061A36 0%,#082B58 56%,#0E4A93 100%) !important;\n    color: #FFFFFF !important;\n    border-top: 0 !important;\n  }\n  .shz-lw42-cta:before {\n    content: \"\";\n    position: absolute;\n    inset: 0;\n    background: radial-gradient(circle at 78% 25%,rgba(74,143,212,.24),transparent 34%);\n    pointer-events: none;\n  }\n  .shz-lw42-cta-grid {\n    position: relative !important;\n    z-index: 1 !important;\n    width: min(1440px, calc(100% - 96px)) !important;\n    max-width: none !important;\n    margin: 0 auto !important;\n    padding: 72px 0 !important;\n    display: grid !important;\n    grid-template-columns: minmax(0,1fr) minmax(500px,.84fr) !important;\n    gap: 94px !important;\n    align-items: center !important;\n    box-sizing: border-box !important;\n  }\n  .shz-lw42-cta-copy {\n    position: relative !important;\n    min-height: 330px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    justify-content: center !important;\n    padding-left: 96px !important;\n    isolation: isolate !important;\n  }\n  .shz-lw42-cta-art {\n    position: absolute !important;\n    left: -245px !important;\n    top: 50% !important;\n    width: 840px !important;\n    height: 460px !important;\n    transform: translateY(-50%) !important;\n    opacity: .32 !important;\n    z-index: 0 !important;\n    pointer-events: none !important;\n  }\n  .shz-lw42-cta-art img { width: 100% !important; 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Shieldhz will confirm the model code, drawing route, and lead time.<\/p>\n    <\/div>\n    <div class=\"shz-lw42-cta-form-shell\"><div class='fluentform ff-default fluentform_wrapper_1 ffs_default_wrap'><form data-form_id=\"1\" id=\"fluentform_1\" class=\"frm-fluent-form fluent_form_1 ff-el-form-top ff_form_instance_1_1 ff-form-loading ffs_default\" data-form_instance=\"ff_form_instance_1_1\" method=\"POST\" ><fieldset  style=\"border: none!important;margin: 0!important;padding: 0!important;background-color: transparent!important;box-shadow: none!important;outline: none!important; min-inline-size: 100%;\">\n                    <legend class=\"ff_screen_reader_title\" style=\"display: block; margin: 0!important;padding: 0!important;height: 0!important;text-indent: -999999px;width: 0!important;overflow:hidden;\">Contact Form Demo<\/legend><input type='hidden' name='__fluent_form_embded_post_id' value='1378' \/><input type=\"hidden\" id=\"_fluentform_1_fluentformnonce\" 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required\"}}},\"debounce_time\":300,\"file_upload_settings\":[]};\n                            <\/script>\n            <p class=\"shz-lw42-cta-form-note\">For direct email, contact sales@shieldhz.com or info@shieldhz.com.<\/p><\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-LW42-CTA END -->\n<script id=\"shz-lw42-carousel-script\">\n(function(){\n  var roots=document.querySelectorAll('[data-shz-lw42-carousel]');\n  if(!roots.length){return;}\n  roots.forEach(function(root){\n    var track=root.querySelector('.shz-lw42-carousel-track');\n    var slides=root.querySelectorAll('.shz-lw42-carousel-slide');\n    var dots=root.querySelectorAll('.shz-lw42-carousel-dot');\n    if(!track||!slides.length){return;}\n    var index=0;\n    var timer=null;\n    var reduce=window.matchMedia&&window.matchMedia('(prefers-reduced-motion: reduce)').matches;\n    function go(next){\n      index=(next+slides.length)%slides.length;\n      track.style.transform='translateX(' + (-index*100) + '%)';\n      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32A universal changeover switch applications, with 440V AC ratings, AC-23A\/AC-3 data, mounting dimensions, and installation options.<\/p>","protected":false},"author":1,"featured_media":3152,"parent":1373,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-1378","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":{"has_hero_section":"disabled","vertical_spacing_source":"custom","content_area_spacing":"none","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/pages\/1378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/comments?post=1378"}],"version-history":[{"count":65,"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/pages\/1378\/revisions"}],"predecessor-version":[{"id":3693,"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/pages\/1378\/revisions\/3693"}],"up":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/pages\/1373"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/media\/3152"}],"wp:attachment":[{"href":"https:\/\/shieldhz.com\/ru\/wp-json\/wp\/v2\/media?parent=1378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}