{"id":1373,"date":"2026-04-14T09:07:44","date_gmt":"2026-04-14T09:07:44","guid":{"rendered":"https:\/\/shieldhz.com\/?page_id=1373"},"modified":"2026-05-07T15:14:50","modified_gmt":"2026-05-07T15:14:50","slug":"rotary-cam-switches","status":"publish","type":"page","link":"https:\/\/shieldhz.com\/pt\/rotary-cam-switches\/","title":{"rendered":"Chaves de came rotativas"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-rotarycss\" data-block-id=\"rotarycss\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotarycss-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotarycssc\" data-v=\"4\" data-block-id=\"rotarycssc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotarycssc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotarycssc-inner-blocks\">\n<!-- SHZ-ROTARY-GLOBAL START -->\n<style>\n  .stk-rotarycss{display:none!important}.shz-rotary{--primary:#2D4A8E;--primary-hover:#213E7E;--secondary:#4A8FD4;--accent:#0D6BDA;--navy:#061A36;--navy2:#0B2855;--ink:#10213D;--muted:#5D6B82;--bg:#F5F7FB;--surface:#FFFFFF;--border:#DFE7F2;font-family:Inter,system-ui,-apple-system,\"Segoe UI\",Roboto,\"Helvetica Neue\",Arial,\"PingFang SC\",\"Microsoft YaHei\",sans-serif;color:var(--ink);font-size:16px;line-height:1.5}\n  .shz-rotary *{box-sizing:border-box}.shz-rotary a{text-decoration:none}.shz-rotary svg{display:block}.shz-rotary-wrap{width:min(1440px,calc(100% - 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48px,1440px);padding:54px 0}.shz-rotary-h2{font-size:32px}}@media(max-width:620px){.shz-rotary-wrap{width:min(100% - 28px,1440px);padding:44px 0}.shz-rotary-kicker{font-size:10px}.shz-rotary-kicker:before,.shz-rotary-kicker:after{width:22px}.shz-rotary-h2{font-size:27px}.shz-rotary-lead{font-size:14px}.shz-rotary-btn{width:100%}}\n<\/style>\n<!-- SHZ-ROTARY-GLOBAL 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-rotaryhero\" data-block-id=\"rotaryhero\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotaryhero-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotaryheroc\" data-v=\"4\" data-block-id=\"rotaryheroc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotaryheroc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotaryheroc-inner-blocks\">\n<!-- SHZ-ROTARY-SEC1 HERO START -->\n<section class=\"shz-rotary shz-rotary-hero\" aria-label=\"Rotary Cam Switches\">\n  <style>\n    .shz-rotary-hero{position:relative;background:#061a36;overflow:hidden}.shz-rotary-hero-stage{position:relative;min-height:700px;padding:112px 0 158px;background:#061a36;display:flex;align-items:center;overflow:hidden}.shz-rotary-hero-bg{position:absolute;inset:0;z-index:0;background:#061a36;overflow:hidden}.shz-rotary-hero-bg:before{content:\"\";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#061a36 0%,rgba(6,26,54,.99) 25%,rgba(6,26,54,.86) 43%,rgba(6,26,54,.52) 65%,rgba(6,26,54,.2) 100%),linear-gradient(180deg,rgba(1,10,24,.04) 0%,rgba(1,10,24,.18) 58%,rgba(1,10,24,.58) 100%);pointer-events:none}.shz-rotary-hero-bg:after{content:\"\";position:absolute;inset:-1px;z-index:2;background:radial-gradient(circle at 18% 42%,rgba(74,143,212,.18),transparent 34%),linear-gradient(90deg,rgba(6,26,54,.96) 0%,rgba(6,26,54,.08) 58%,rgba(6,26,54,.2) 100%);pointer-events:none}.shz-rotary-hero-bg img{width:100%;height:100%;object-fit:cover;object-position:58% 48%;display:block;filter:saturate(1.04) contrast(1.02);opacity:.9;transform:none}.shz-rotary-hero-mask{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(6,26,54,.92) 0%,rgba(6,26,54,.82) 29%,rgba(6,26,54,.5) 52%,rgba(6,26,54,.16) 76%,rgba(6,26,54,.1) 100%);pointer-events:none}.shz-rotary-hero-stage:after{content:\"\";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(0,0,0,0) 56%,rgba(0,8,22,.38) 100%);pointer-events:none}.shz-rotary-hero-wrap{position:relative;z-index:2;width:min(1440px,calc(100% - 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28px,1440px)}.shz-rotary-title{font-size:46px}.shz-rotary-hero-desc{font-size:14px}.shz-rotary-hero-actions{width:100%}.shz-rotary-hero .shz-rotary-btn{width:100%;min-width:0}.shz-rotary-hero-metrics{width:calc(100% - 28px);bottom:28px;padding:14px}.shz-rotary-hero-metrics-grid{grid-template-columns:1fr;gap:12px}.shz-rotary-hero-metric,.shz-rotary-hero-metric:last-child{grid-column:auto;padding:0}.shz-rotary-hero-metric strong{font-size:21px}}\n  <\/style>\n  <div class=\"shz-rotary-hero-stage\">\n    <div class=\"shz-rotary-hero-bg\"><img decoding=\"async\" src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/rotary-cam-switches-combine-banner.webp\" alt=\"Shieldhz rotary cam switch product family with selector and isolator variants\"><\/div>\n    <div class=\"shz-rotary-hero-mask\" aria-hidden=\"true\"><\/div>\n    <div class=\"shz-rotary-hero-wrap\">\n      <div class=\"shz-rotary-hero-content\">\n        <span class=\"shz-rotary-kicker\">Electrical Control Systems<\/span>\n        <h1 class=\"shz-rotary-title\">Rotary Cam<br>Switches<\/h1>\n        <p class=\"shz-rotary-hero-desc\">Shieldhz rotary cam switches cover selector control, source changeover, load isolation, and motor-control duties in industrial panels and equipment. Choose LW28, LW42, or SH30 by current rating, contact program, mounting style, and IEC 60947-3 duty category.<\/p>\n        <div class=\"shz-rotary-hero-actions\"><a class=\"shz-rotary-btn shz-rotary-btn-primary\" href=\"#rotary-series\">Compare Families<\/a><a class=\"shz-rotary-btn shz-rotary-btn-ghost\" href=\"#ct-popup-1234\">Enquire Online<\/a><\/div>\n      <\/div>\n    <\/div>\n    <div class=\"shz-rotary-hero-metrics\" aria-label=\"Shieldhz capability metrics\">\n      <div class=\"shz-rotary-hero-metrics-grid\">\n        <div class=\"shz-rotary-hero-metric\"><div class=\"shz-rotary-hero-metric-icon\"><svg viewBox=\"0 0 24 24\"><rect x=\"4\" y=\"5\" width=\"16\" height=\"14\" rx=\"2\"><\/rect><path d=\"M8 9h8M8 13h3M13 13h3\"><\/path><\/svg><\/div><div><strong>2014<\/strong><span>Founded Manufacturing<\/span><\/div><\/div>\n        <div class=\"shz-rotary-hero-metric\"><div class=\"shz-rotary-hero-metric-icon\"><svg viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"8\"><\/circle><path d=\"M4 12h16M12 4c2 2.3 3 5 3 8s-1 5.7-3 8M12 4c-2 2.3-3 5-3 8s1 5.7 3 8\"><\/path><\/svg><\/div><div><strong>50+<\/strong><span>Countries Served<\/span><\/div><\/div>\n        <div class=\"shz-rotary-hero-metric\"><div class=\"shz-rotary-hero-metric-icon\"><svg viewBox=\"0 0 24 24\"><path d=\"M5 7h14v10H5z\"><\/path><path d=\"M8 7V5h8v2M8 17v2h8v-2M9 11h6M9 14h4\"><\/path><\/svg><\/div><div><strong>1000+<\/strong><span>Products Portfolio<\/span><\/div><\/div>\n        <div class=\"shz-rotary-hero-metric\"><div class=\"shz-rotary-hero-metric-icon\"><svg viewBox=\"0 0 24 24\"><path d=\"M12 3l7 4v5c0 4.4-2.8 7.4-7 9-4.2-1.6-7-4.6-7-9V7l7-4z\"><\/path><path d=\"M8.5 12l2.2 2.2 4.8-5\"><\/path><\/svg><\/div><div><strong>ISO 9001<\/strong><span>Quality Certified<\/span><\/div><\/div>\n        <div class=\"shz-rotary-hero-metric\"><div class=\"shz-rotary-hero-metric-icon\"><svg viewBox=\"0 0 24 24\"><path d=\"M3 8h11v8H3zM14 11h3l3 3v2h-6z\"><\/path><circle cx=\"7\" cy=\"18\" r=\"1.7\"><\/circle><circle cx=\"17\" cy=\"18\" r=\"1.7\"><\/circle><\/svg><\/div><div><strong>Export<\/strong><span>Order Support<\/span><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-ROTARY-SEC1 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-rotaryseries\" data-block-id=\"rotaryseries\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotaryseries-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotaryseriesc\" data-v=\"4\" data-block-id=\"rotaryseriesc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotaryseriesc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotaryseriesc-inner-blocks\">\n<!-- SHZ-ROTARY-SEC3 SERIES START -->\n<section class=\"shz-rotary shz-rotary-series\" id=\"rotary-series\">\n  <style>\n    .shz-rotary-series{background:#fff}.shz-rotary-series .shz-rotary-wrap{padding-top:76px}.shz-rotary-hub-intro{width:min(1040px,100%);margin:24px auto 0;padding:22px 26px;border:1px solid #D8E6F7;border-radius:8px;background:linear-gradient(180deg,#F8FBFF 0%,#fff 100%);box-shadow:0 12px 30px rgba(16,33,61,.06);color:#40516B;font-size:15px;line-height:1.65}.shz-rotary-hub-intro strong{color:#123B78;font-weight:900}.shz-rotary-series-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-top:28px}.shz-rotary-line{position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:548px}.shz-rotary-line-head{padding:26px 28px 0}.shz-rotary-line h3{margin:0;color:var(--ink);font-size:27px;line-height:1.05;font-weight:900;letter-spacing:0}.shz-rotary-line-tag{margin-top:5px;color:#51627A;font-size:14px;font-weight:750}.shz-rotary-line-img{height:258px;margin:0;padding:8px 28px 4px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#fff 0%,#F7FAFE 100%)}.shz-rotary-line-img img{max-width:100%;max-height:236px;width:auto;height:auto;object-fit:contain;filter:drop-shadow(0 18px 24px rgba(16,33,61,.16))}.shz-rotary-line-body{padding:18px 28px 26px;display:flex;flex-direction:column;gap:15px;flex:1}.shz-rotary-line p{margin:0;color:#5D6B82;font-size:15px;line-height:1.56}.shz-rotary-line ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}.shz-rotary-line li{position:relative;padding-left:21px;color:#334766;font-size:14px;line-height:1.42}.shz-rotary-line li:before{content:\"\";position:absolute;left:0;top:.34em;width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:inset 0 0 0 3px #fff,0 0 0 1px rgba(13,107,218,.22)}.shz-rotary-line .shz-rotary-btn{margin-top:auto;width:100%;min-height:42px;font-size:13px;border-radius:6px}.shz-rotary-line.is-featured{border-color:#C9DDF6;box-shadow:0 18px 42px rgba(45,74,142,.14)}@media(max-width:1020px){.shz-rotary-series-grid{grid-template-columns:1fr;max-width:760px;margin-left:auto;margin-right:auto}.shz-rotary-line{min-height:0}.shz-rotary-line-img{height:280px}}@media(max-width:620px){.shz-rotary-series .shz-rotary-wrap{padding-top:56px}.shz-rotary-series-grid{gap:18px}.shz-rotary-line-head,.shz-rotary-line-body{padding-left:20px;padding-right:20px}.shz-rotary-line-img{height:220px;padding-left:20px;padding-right:20px}.shz-rotary-line h3{font-size:23px}}\n  <\/style>\n  <div class=\"shz-rotary-wrap\">\n    <div class=\"shz-rotary-center\"><span class=\"shz-rotary-kicker\">Product Families<\/span><h2 class=\"shz-rotary-h2\">Choose The Correct Switch Family First<\/h2><p class=\"shz-rotary-lead\">Pick the right rotary cam switch family for selector control, changeover switching, load isolation, and panel-mounted industrial control applications.<\/p><\/div><div class=\"shz-rotary-hub-intro\"><strong>Rotary cam switches<\/strong> are industrial rotary switches that use a cam-operated contact stack to route circuits through defined handle positions. As a rotary switch manufacturer and supplier, Shieldhz keeps this parent page focused on series routing: LW28 is the broad universal cam switch route, LW42 covers compact 20A to 32A panel and single-hole rotary switch formats, and SH30 is the load isolator switch route for visible OFF, padlockable, and door-interlock disconnection.<\/div>\n    <div class=\"shz-rotary-series-grid\">\n      <article class=\"shz-rotary-card shz-rotary-line is-featured\">\n        <div class=\"shz-rotary-line-head\"><h3>LW28<\/h3><div class=\"shz-rotary-line-tag\">Universal Cam Switches<\/div><\/div>\n        <figure class=\"shz-rotary-line-img\"><img decoding=\"async\" src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/05\/shieldhz-lw28-63-white-bg-sec2.webp\" alt=\"LW28-63 rotary cam switch on pure white background\"><\/figure>\n        <div class=\"shz-rotary-line-body\"><p>Universal rotary cam switch route for selector, changeover, meter selection, and multi-position cam programs.<\/p><ul><li>10A &#8211; 315A LW28 model route<\/li><li>AC 440V \/ DC 240V catalogue reference<\/li><li>Up to 12 poles and 12 positions<\/li><li>Panel, base, DIN rail, key-lock and handle options<\/li><li>IEC\/EN 60947-3 compliant route<\/li><\/ul><a class=\"shz-rotary-btn shz-rotary-btn-primary\" href=\"https:\/\/shieldhz.com\/rotary-cam-switches\/lw28-rotary-cam-switches\/\">View LW28 universal cam switches<\/a><\/div>\n      <\/article>\n      <article class=\"shz-rotary-card shz-rotary-line\">\n        <div class=\"shz-rotary-line-head\"><h3>LW42<\/h3><div class=\"shz-rotary-line-tag\">Compact Changeover Switches<\/div><\/div>\n        <figure class=\"shz-rotary-line-img\"><img decoding=\"async\" src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/05\/shieldhz-lw42-waterproof-white-bg-sec2.webp\" alt=\"LW42 waterproof rotary isolator switch with red yellow handle on white background\"><\/figure>\n        <div class=\"shz-rotary-line-body\"><p>Compact rotary cam switch route for 20A, 25A, and 32A panel mounting, single-hole mounting, key-lock operation, and padlock handles.<\/p><ul><li>20A \/ 25A \/ 32A current classes<\/li><li>440V AC rated operational voltage<\/li><li>AC-23A 15A \/ 20A \/ 25A reference<\/li><li>Panel, single-hole, key-lock and padlock formats<\/li><li>IEC\/EN 60947-3 compliant route<\/li><\/ul><a class=\"shz-rotary-btn shz-rotary-btn-primary\" href=\"https:\/\/shieldhz.com\/rotary-cam-switches\/lw42-rotary-cam-switches\/\">View LW42 compact changeover switches<\/a><\/div>\n      <\/article>\n      <article class=\"shz-rotary-card shz-rotary-line\">\n        <div class=\"shz-rotary-line-head\"><h3>SH30<\/h3><div class=\"shz-rotary-line-tag\">Load Isolator Switches<\/div><\/div>\n        <figure class=\"shz-rotary-line-img\"><img decoding=\"async\" src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/05\/shieldhz-sh30-32-omi-white-bg-sec2.webp\" alt=\"SH30-32 OMI load isolator switch on pure white background\"><\/figure>\n        <div class=\"shz-rotary-line-body\"><p>Load isolator switch route for safe main-circuit isolation, service disconnects, HVAC, ventilation, and water pump systems.<\/p><ul><li>20A &#8211; 125A SH30 route<\/li><li>440V AC, AC50Hz catalogue reference<\/li><li>AC-23A \/ AC-3 load isolation duties<\/li><li>2P, 3P, 4P pole configurations<\/li><li>Padlockable, door-interlock and IP65 enclosure options<\/li><\/ul><a class=\"shz-rotary-btn shz-rotary-btn-primary\" href=\"https:\/\/shieldhz.com\/rotary-cam-switches\/sh30-rotary-cam-switches\/\">View SH30 load isolator switches<\/a><\/div>\n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-ROTARY-SEC3 SERIES 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-rotarymatrix\" data-block-id=\"rotarymatrix\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotarymatrix-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotarymatrixc\" data-v=\"4\" data-block-id=\"rotarymatrixc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotarymatrixc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotarymatrixc-inner-blocks\">\n<!-- SHZ-ROTARY-SEC4 MATRIX START -->\n<section class=\"shz-rotary shz-rotary-matrix\" id=\"rotary-selection-guide\">\n  <style>\n    .shz-rotary-matrix{background:#fff}.shz-rotary-matrix .shz-rotary-wrap{padding-top:58px}.shz-rotary-matrix .shz-rotary-tablebox{margin-top:30px}.shz-rotary-matrix .shz-rotary-table{min-width:1080px}.shz-rotary-matrix .shz-rotary-table th{text-align:center;padding-top:16px;padding-bottom:16px}.shz-rotary-matrix .shz-rotary-table th:first-child,.shz-rotary-matrix .shz-rotary-table td:first-child{text-align:left}.shz-rotary-matrix .shz-rotary-table td:nth-child(2){font-weight:900;color:#173C78;text-align:center}.shz-rotary-matrix .shz-rotary-table td{font-size:15px}.shz-rotary-matrix-note{margin:16px 0 0;text-align:center;color:#6B7890;font-size:14px;line-height:1.5}@media(max-width:760px){.shz-rotary-matrix .shz-rotary-wrap{padding-top:40px}.shz-rotary-matrix .shz-rotary-tablebox{margin-left:-14px;margin-right:-14px;border-radius:0;border-left:0;border-right:0}}\n  <\/style>\n  <div class=\"shz-rotary-wrap\">\n    <div class=\"shz-rotary-center\"><span class=\"shz-rotary-kicker\">Selection Guide<\/span><h2 class=\"shz-rotary-h2\">Rotary Switch Selection By Function<\/h2><p class=\"shz-rotary-lead\">Use this guide to choose between universal rotary cam switch logic, compact changeover switch assemblies, and SH30 load isolator switch routes before moving into model code details.<\/p><\/div>\n    <div class=\"shz-rotary-tablebox\" role=\"region\" aria-label=\"Rotary switch family selection table\">\n      <table class=\"shz-rotary-table\">\n        <thead><tr><th>Usage Scenario<\/th><th>Recommended Series<\/th><th>Why<\/th><th>Installation \/ Notes<\/th><\/tr><\/thead>\n        <tbody>\n          <tr><td>Selector, changeover, reversing, meter selection, and multi-position cam logic<\/td><td>LW28<\/td><td>Broad universal cam switch program range from 10A to 315A<\/td><td>Confirm contact sequence, handle angle, poles, and mounting route<\/td><\/tr>\n          <tr><td>Compact panel or single-hole rotary switching at 20A to 32A<\/td><td>LW42<\/td><td>Compact 440V AC changeover switch format with key-lock and padlock options<\/td><td>Use when panel depth, handle style, and compact installation matter<\/td><\/tr>\n          <tr><td>Motor control commands, source transfer, and equipment start\/stop logic<\/td><td>LW28 \/ LW42<\/td><td>Cam-operated contacts support defined selector and changeover positions<\/td><td>Size by load duty, voltage, AC-23A reference, and wiring diagram<\/td><\/tr>\n          <tr><td>Main circuit isolation, load break, service disconnect, and visible OFF<\/td><td>SH30<\/td><td>Load isolator route for padlockable and door-interlock disconnection<\/td><td>Choose pole count, handle type, enclosure requirement, and installation depth<\/td><\/tr>\n          <tr><td>Outdoor or harsh environments<\/td><td>SH30 \/ Waterproof Box<\/td><td>Enclosed isolator and rotary switch box routes provide higher protection<\/td><td>Confirm IP rating, cable entry, UV exposure, and enclosure size<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n    <p class=\"shz-rotary-matrix-note\">Final selection should confirm current rating, voltage, AC-23A or AC-3 duty, poles, contact program, handle marking, mounting route, and certification requirement.<\/p>\n  <\/div>\n<\/section>\n<!-- SHZ-ROTARY-SEC4 MATRIX 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-rotaryapps\" data-block-id=\"rotaryapps\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotaryapps-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotaryappsc\" data-v=\"4\" data-block-id=\"rotaryappsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotaryappsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotaryappsc-inner-blocks\">\n<!-- SHZ-ROTARY-SEC5 APPLICATIONS START -->\n<section class=\"shz-rotary shz-rotary-apps\" id=\"rotary-applications\">\n  <style>\n    .shz-rotary-apps{background:#fff}.shz-rotary-apps .shz-rotary-wrap{padding-top:58px}.shz-rotary-app-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:34px}.shz-rotary-app{position:relative;min-height:380px;padding:44px 30px 48px;display:flex;flex-direction:column;gap:17px;overflow:hidden}.shz-rotary-app:before{content:\"\";position:absolute;inset:0;background:linear-gradient(180deg,rgba(246,250,255,.92),rgba(255,255,255,0) 58%);pointer-events:none}.shz-rotary-app>*{position:relative}.shz-rotary-app-art{width:82px;height:72px;margin:0 0 10px;color:#2D4A8E}.shz-rotary-app-art svg{width:100%;height:100%;overflow:visible}.shz-rotary-app-art .shz-line{fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.shz-rotary-app-art .shz-soft{fill:#F2F7FE;stroke:#9CB6D8;stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.shz-rotary-app-art .shz-detail{fill:none;stroke:#6F8DB8;stroke-width:1.15;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.shz-rotary-app-art .shz-dot{fill:#4A8FD4}.shz-rotary-app h3{margin:0;color:var(--ink);font-size:18px;line-height:1.25;font-weight:900}.shz-rotary-app p{margin:0;color:#5D6B82;font-size:14.5px;line-height:1.56}.shz-rotary-app a{margin-top:10px;padding-top:0;color:var(--accent);font-size:14px;line-height:1.35;font-weight:850;align-self:flex-start}.shz-rotary-app a:after{content:\"  ->\"}@media(max-width:1020px){.shz-rotary-app-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:580px){.shz-rotary-apps .shz-rotary-wrap{padding-top:42px}.shz-rotary-app-grid{grid-template-columns:1fr;gap:16px}.shz-rotary-app{min-height:0;padding:32px 24px 34px}}\n  <\/style>\n  <div class=\"shz-rotary-wrap\">\n    <div class=\"shz-rotary-center\"><span class=\"shz-rotary-kicker\">Applications<\/span><h2 class=\"shz-rotary-h2\">Where Rotary Cam Switches Are Used<\/h2><\/div>\n    <div class=\"shz-rotary-app-grid\">\n      <article class=\"shz-rotary-card shz-rotary-app\"><div class=\"shz-rotary-app-art\" aria-hidden=\"true\"><svg viewBox=\"0 0 82 72\"><path class=\"shz-soft\" d=\"M13 12h24v45H13z\"><\/path><path class=\"shz-line\" d=\"M17 17h13M17 24h9M17 50h15M37 19h10v31H37\"><\/path><path class=\"shz-detail\" d=\"M43 23h13v5H43zM43 34h13v5H43zM43 45h13v5H43zM58 20h7v33h-7M65 24h4M65 34h4M65 44h4\"><\/path><circle class=\"shz-dot\" cx=\"22\" cy=\"33\" r=\"2\"><\/circle><circle class=\"shz-dot\" cx=\"30\" cy=\"33\" r=\"2\"><\/circle><path class=\"shz-detail\" d=\"M17 39h15M48 28v6M48 39v6\"><\/path><\/svg><\/div><h3>Control Cabinets<\/h3><p>Panel-mounted rotary cam switches for selector, changeover, and metering inside electrical control cabinets.<\/p><a href=\"https:\/\/shieldhz.com\/products\/\">Control cabinet switch products<\/a><\/article>\n      <article class=\"shz-rotary-card shz-rotary-app\"><div class=\"shz-rotary-app-art\" aria-hidden=\"true\"><svg viewBox=\"0 0 82 72\"><path class=\"shz-soft\" d=\"M24 10h34a5 5 0 0 1 5 5v38a5 5 0 0 1-5 5H24z\"><\/path><path class=\"shz-line\" d=\"M24 10v48M29 16h21M29 23h13M31 48h25\"><\/path><path class=\"shz-detail\" d=\"M53 18h4M53 24h4M32 31h16v10H32z\"><\/path><circle class=\"shz-line\" cx=\"55\" cy=\"36\" r=\"6\"><\/circle><path class=\"shz-detail\" d=\"M55 30v-5M55 42v5M49 36h-5M61 36h5\"><\/path><circle class=\"shz-dot\" cx=\"35\" cy=\"19\" r=\"1.6\"><\/circle><\/svg><\/div><h3>Compact Equipment Panels<\/h3><p>LW28 and LW42 routes for OEM panels where depth, handle style, and wiring space matter.<\/p><a href=\"https:\/\/shieldhz.com\/rotary-cam-switches\/lw28-rotary-cam-switches\/\">View LW28 panel switch route<\/a><\/article>\n      <article class=\"shz-rotary-card shz-rotary-app\"><div class=\"shz-rotary-app-art\" aria-hidden=\"true\"><svg viewBox=\"0 0 82 72\"><path class=\"shz-soft\" d=\"M19 32h12v18H19zM31 27h26v28H31z\"><\/path><path class=\"shz-line\" d=\"M18 50h44M24 32v-7h30v7M57 35h8v12h-8\"><\/path><circle class=\"shz-line\" cx=\"44\" cy=\"41\" r=\"9\"><\/circle><path class=\"shz-detail\" d=\"M44 32v18M35 41h18M38 35l12 12M50 35L38 47M26 55h31\"><\/path><path class=\"shz-detail\" d=\"M65 38h6M65 44h6M15 36h4M15 43h4\"><\/path><circle class=\"shz-dot\" cx=\"44\" cy=\"41\" r=\"2.2\"><\/circle><path class=\"shz-line\" d=\"M29 25l-4-6h15l-4 6\"><\/path><\/svg><\/div><h3>Motors, Pumps, HVAC<\/h3><p>Motor control, source transfer, and load isolation for pumps, fans, and HVAC equipment.<\/p><a href=\"https:\/\/shieldhz.com\/rotary-cam-switches\/sh30-rotary-cam-switches\/\">View SH30 motor isolator route<\/a><\/article>\n      <article class=\"shz-rotary-card shz-rotary-app\"><div class=\"shz-rotary-app-art\" aria-hidden=\"true\"><svg viewBox=\"0 0 82 72\"><path class=\"shz-soft\" d=\"M23 9h31l8 8v40H23z\"><\/path><path class=\"shz-line\" d=\"M54 9v10h8M29 18h17M29 51h24M36 27h16v15H36z\"><\/path><circle class=\"shz-line\" cx=\"44\" cy=\"34\" r=\"6\"><\/circle><path class=\"shz-detail\" d=\"M44 28v-5M44 40v5M38 34h-5M50 34h5M22 22l-7-6M62 22l7-6M22 48l-7 6M62 48l7 6\"><\/path><path class=\"shz-detail\" d=\"M29 13h5M29 57h8M58 22h4M58 48h4\"><\/path><circle class=\"shz-dot\" cx=\"44\" cy=\"34\" r=\"2\"><\/circle><\/svg><\/div><h3>Outdoor Disconnects<\/h3><p>Weatherproof local disconnects and enclosed rotary switch boxes for outdoor equipment.<\/p><a href=\"https:\/\/shieldhz.com\/waterproof-isolator-box\/\">View waterproof rotary switch boxes<\/a><\/article>\n    <\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-ROTARY-SEC5 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-rotarywhy\" data-block-id=\"rotarywhy\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotarywhy-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotarywhyc\" data-v=\"4\" data-block-id=\"rotarywhyc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotarywhyc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotarywhyc-inner-blocks\">\n<!-- SHZ-ROTARY-SEC6 WHY START -->\n<section class=\"shz-rotary shz-rotary-why\" id=\"rotary-support\">\n  <style>\n    .shz-rotary-why{position:relative;overflow:hidden;background:linear-gradient(115deg,#061A36 0%,#092B59 54%,#0E4A93 100%);color:#fff}.shz-rotary-why:before{content:\"\";position:absolute;inset:0;background:radial-gradient(circle at 8% 22%,rgba(74,143,212,.28),transparent 30%),radial-gradient(circle at 92% 80%,rgba(45,74,142,.34),transparent 34%);pointer-events:none}.shz-rotary-why .shz-rotary-wrap{position:relative;z-index:1;padding:74px 0}.shz-rotary-why-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(470px,.78fr);gap:86px;align-items:center}.shz-rotary-why .shz-rotary-kicker{color:#72A7EE}.shz-rotary-why .shz-rotary-h2{color:#fff;max-width:780px}.shz-rotary-why-copy{margin:16px 0 0;max-width:760px;color:#C8D8EE;font-size:16px;line-height:1.68}.shz-rotary-why-list{display:grid;gap:18px;margin-top:30px;max-width:760px}.shz-rotary-why-item{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start}.shz-rotary-why-icon{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#0D6BDA;color:#fff;box-shadow:0 12px 24px rgba(13,107,218,.28)}.shz-rotary-why-icon svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}.shz-rotary-why-item h3{margin:0 0 5px;color:#fff;font-size:16px;font-weight:900}.shz-rotary-why-item p{margin:0;color:#B8CCE8;font-size:14.5px;line-height:1.56}.shz-rotary-why-panel{padding:34px 36px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);box-shadow:0 20px 48px rgba(0,0,0,.18);backdrop-filter:blur(12px)}.shz-rotary-why-panel h3{margin:0 0 20px;color:#7AB0F5;font-size:20px;line-height:1.25}.shz-rotary-why-panel ul{margin:0;padding:0;list-style:none;display:grid;gap:14px}.shz-rotary-why-panel li{position:relative;padding-left:30px;color:#DDE9F8;font-size:15px;line-height:1.45}.shz-rotary-why-panel li:before{content:\"\";position:absolute;left:0;top:.06em;width:19px;height:19px;border-radius:4px;border:1.5px solid #8EC0FF}.shz-rotary-why-panel li:after{content:\"\";position:absolute;left:5px;top:.42em;width:8px;height:4px;border-left:1.8px solid #8EC0FF;border-bottom:1.8px solid #8EC0FF;transform:rotate(-45deg)}.shz-rotary-why-panel .shz-rotary-btn{width:100%;margin-top:28px}@media(max-width:980px){.shz-rotary-why-grid{grid-template-columns:1fr;gap:38px}.shz-rotary-why-panel{max-width:720px}}@media(max-width:620px){.shz-rotary-why .shz-rotary-wrap{padding:50px 0}.shz-rotary-why-panel{padding:24px 20px}.shz-rotary-why-item{grid-template-columns:42px 1fr}}\n  <\/style>\n  <div class=\"shz-rotary-wrap shz-rotary-why-grid\">\n    <div><span class=\"shz-rotary-kicker\">Our Commitment<\/span><h2 class=\"shz-rotary-h2\">Cam Logic, Compact Switching, And Isolation From One Supplier<\/h2><p class=\"shz-rotary-why-copy\">Shieldhz is the switch brand of Zhejiang Shihe Electric Co., Ltd., founded in 2014, with ISO 9001 production management and a 5,000+ sqm industrial control component factory. Our team helps match the series, confirm documents, and keep the order path clear from sample request to production shipment.<\/p>\n      <div class=\"shz-rotary-why-list\">\n        <div class=\"shz-rotary-why-item\"><div class=\"shz-rotary-why-icon\"><svg viewBox=\"0 0 24 24\"><path d=\"M4 15c2-4 5-6 8-6s6 2 8 6\"><\/path><path d=\"M9 15l2 2 4-5\"><\/path><\/svg><\/div><div><h3>Engineering Review<\/h3><p>Application, wiring, mounting, CE\/TUV\/UL\/CCC document scope, and drawing checks before quotation.<\/p><\/div><\/div>\n        <div class=\"shz-rotary-why-item\"><div class=\"shz-rotary-why-icon\"><svg viewBox=\"0 0 24 24\"><rect x=\"4\" y=\"5\" width=\"16\" height=\"14\" rx=\"2\"><\/rect><path d=\"M8 9h8M8 13h8M8 17h5\"><\/path><\/svg><\/div><div><h3>Series Coverage<\/h3><p>LW28, LW42, and SH30 cover panel cam switching, compact changeover, and load isolation.<\/p><\/div><\/div>\n        <div class=\"shz-rotary-why-item\"><div class=\"shz-rotary-why-icon\"><svg viewBox=\"0 0 24 24\"><path d=\"M3 8h11v8H3zM14 11h3l3 3v2h-6z\"><\/path><circle cx=\"7\" cy=\"18\" r=\"1.6\"><\/circle><circle cx=\"17\" cy=\"18\" r=\"1.6\"><\/circle><\/svg><\/div><div><h3>Stock And Export Support<\/h3><p>Stock models, certificate files, export documents, and shipment coordination for distributor and OEM orders.<\/p><\/div><\/div>\n      <\/div>\n    <\/div>\n    <aside class=\"shz-rotary-why-panel\"><h3>Before requesting a quote, prepare:<\/h3><ul><li>Load type and voltage\/current details<\/li><li>Switching function: positions and poles<\/li><li>Mounting style and enclosure type<\/li><li>Quantity, MOQ target, and lead time requirement<\/li><li>Certification or standard requirements<\/li><\/ul><a class=\"shz-rotary-btn shz-rotary-btn-primary\" href=\"#ct-popup-1234\">Start Your Inquiry<\/a><\/aside>\n  <\/div>\n<\/section>\n<!-- SHZ-ROTARY-SEC6 WHY 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-rotaryspecs\" data-block-id=\"rotaryspecs\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotaryspecs-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotaryspecsc\" data-v=\"4\" data-block-id=\"rotaryspecsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotaryspecsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotaryspecsc-inner-blocks\">\n<!-- SHZ-ROTARY-SEC7 SPECS START -->\n<section class=\"shz-rotary shz-rotary-specs\" id=\"rotary-technical-info\">\n  <style>\n    .shz-rotary-specs{background:var(--bg)}.shz-rotary-specs .shz-rotary-wrap{padding:68px 0}.shz-rotary-specs-grid{display:grid;grid-template-columns:minmax(430px,.82fr) minmax(0,1.18fr);gap:34px;align-items:start;margin-top:34px}.shz-rotary-codebox{padding:30px;border-radius:8px;background:#fff;border:1px solid var(--border);box-shadow:0 12px 30px rgba(16,33,61,.08)}.shz-rotary-codebox h3{margin:0 0 18px;color:var(--ink);font-size:20px;line-height:1.25;font-weight:900}.shz-rotary-code{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin:0 0 16px}.shz-rotary-code span{display:inline-flex;align-items:center;min-height:42px;padding:0 15px;border-radius:6px;background:#EEF5FF;border:1px solid #D5E5FA;color:#173C78;font-weight:900;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.shz-rotary-code i{font-style:normal;color:#7D8CA3;font-weight:900}.shz-rotary-code-labels{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}.shz-rotary-code-labels span{min-width:72px;color:#697992;font-size:12px;line-height:1.25;text-align:center}.shz-rotary-codebox p{margin:0;color:#5D6B82;font-size:14.5px;line-height:1.58}.shz-rotary-codebox ul{margin:18px 0 20px;padding:0;list-style:none;display:grid;gap:9px}.shz-rotary-codebox li{position:relative;padding-left:20px;color:#40516B;font-size:14.5px;line-height:1.45}.shz-rotary-codebox li:before{content:\"\";position:absolute;left:0;top:.42em;width:9px;height:9px;border-radius:50%;background:var(--accent)}.shz-rotary-specs .shz-rotary-table{min-width:760px}.shz-rotary-specs .shz-rotary-table th{font-size:14px}.shz-rotary-specs .shz-rotary-table td:first-child{font-weight:900;color:#173C78}.shz-rotary-specs .shz-rotary-table td{font-size:14.5px}.shz-rotary-table-note{padding:15px 18px;border-top:1px solid var(--border);background:#fff;color:#5D6B82;font-size:14px}.shz-rotary-table-note a{margin-left:12px;color:var(--accent);font-weight:850}@media(max-width:1000px){.shz-rotary-specs-grid{grid-template-columns:1fr}.shz-rotary-codebox{max-width:760px}}@media(max-width:560px){.shz-rotary-codebox{padding:22px}.shz-rotary-code-labels{display:none}}\n  <\/style>\n  <div class=\"shz-rotary-wrap\">\n    <div class=\"shz-rotary-center\"><span class=\"shz-rotary-kicker\">Technical Information<\/span><h2 class=\"shz-rotary-h2\">Model Route, Ratings, And Documents To Confirm<\/h2><p class=\"shz-rotary-lead\">Use our inquiry code logic and series comparison to confirm the right rotary switch family before checking datasheets, dimensions, wiring diagrams, and certificates on the series or resource pages.<\/p><\/div>\n    <div class=\"shz-rotary-specs-grid\">\n      <div class=\"shz-rotary-codebox\"><h3>Typical Inquiry Code Logic<\/h3><div class=\"shz-rotary-code\"><span>SH30<\/span><i>&#8211;<\/i><span>3P<\/span><i>&#8211;<\/i><span>63A<\/span><i>&#8211;<\/i><span>S<\/span><i>&#8211;<\/i><span>01<\/span><\/div><div class=\"shz-rotary-code-labels\"><span>Series<\/span><span>Pole<\/span><span>Current<\/span><span>Mounting<\/span><span>Function<\/span><\/div><p>Choose the series that matches your application, then confirm the detailed model code on the matching series page.<\/p><ul><li>Series: LW28 \/ LW42 \/ SH30<\/li><li>Current and voltage based on load requirement<\/li><li>Function: selector, changeover, load isolation, or meter selection<\/li><li>Mounting: panel, base, DIN rail, door coupling, key lock, or enclosure<\/li><\/ul><a class=\"shz-rotary-mini-link\" href=\"https:\/\/shieldhz.com\/resources\/\">Download rotary switch code guide<\/a><\/div>\n      <div class=\"shz-rotary-tablebox\"><table class=\"shz-rotary-table\"><thead><tr><th>Series<\/th><th>Current Range<\/th><th>Pole Options<\/th><th>Positions<\/th><th>Key Features<\/th><\/tr><\/thead><tbody><tr><td>LW28<\/td><td>10A &#8211; 315A<\/td><td>1P &#8211; 12P<\/td><td>2 &#8211; 12<\/td><td>Universal cam switch for selector, changeover, metering, and custom cam logic<\/td><\/tr><tr><td>LW42<\/td><td>20A \/ 25A \/ 32A<\/td><td>Compact panel formats<\/td><td>2 &#8211; 24<\/td><td>440V AC compact changeover switch route with key-lock and padlock options<\/td><\/tr><tr><td>SH30<\/td><td>20A &#8211; 125A<\/td><td>2P \/ 3P \/ 4P<\/td><td>2 (On-Off)<\/td><td>Load isolator for visible OFF, padlockable, door-interlock, and IP65 enclosure routes<\/td><\/tr><\/tbody><\/table><div class=\"shz-rotary-table-note\">Use each series page for model selection, then use Resources for datasheets, certificates, code guides, drawing packages, and <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/59785\" target=\"_blank\" rel=\"noopener\">IEC 60947-3<\/a> switching-duty reference.<a href=\"https:\/\/shieldhz.com\/resources\/\">View datasheets and certificates<\/a><\/div><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-ROTARY-SEC7 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-rotaryresources\" data-block-id=\"rotaryresources\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotaryresources-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotaryresourcesc\" data-v=\"4\" data-block-id=\"rotaryresourcesc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotaryresourcesc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotaryresourcesc-inner-blocks\">\n<!-- SHZ-ROTARY-SEC8 RESOURCES START -->\n<section class=\"shz-rotary shz-rotary-resources\" id=\"rotary-resources\">\n  <style>\n    .shz-rotary-resources{background:#fff}.shz-rotary-resources .shz-rotary-wrap{padding-top:64px}.shz-rotary-res-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px;margin-top:32px}.shz-rotary-res{position:relative;min-height:360px;padding:42px 26px 48px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;overflow:hidden}.shz-rotary-res:before{content:\"\";position:absolute;inset:0;background:linear-gradient(180deg,rgba(241,246,253,.72),rgba(255,255,255,0) 46%);pointer-events:none}.shz-rotary-res>*{position:relative}.shz-rotary-res-icon{width:64px;height:64px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#24539A;background:linear-gradient(145deg,#F7FBFF 0%,#EAF3FF 100%);border:1px solid #D4E4F8;box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 10px 18px rgba(45,74,142,.09)}.shz-rotary-res-icon svg{width:36px;height:36px;stroke:currentColor;stroke-width:1.85;fill:none;stroke-linecap:round;stroke-linejoin:round}.shz-rotary-res-icon svg *{vector-effect:non-scaling-stroke}.shz-rotary-res h3{margin:0;color:var(--ink);font-size:16px;line-height:1.25;font-weight:900}.shz-rotary-res p{margin:0;color:#5D6B82;font-size:13.5px;line-height:1.48}.shz-rotary-res a{margin-top:10px;padding-top:0;color:var(--accent);font-size:13.5px;line-height:1.35;font-weight:850}.shz-rotary-res a:after{content:\"  ->\"}@media(max-width:1180px){.shz-rotary-res-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:720px){.shz-rotary-res-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:500px){.shz-rotary-res-grid{grid-template-columns:1fr}.shz-rotary-res{min-height:0;padding:34px 24px 36px}}\n  <\/style>\n  <!-- Icons: Lucide Static v1.14.0, ISC License -->\n  <div class=\"shz-rotary-wrap\">\n    <div class=\"shz-rotary-center\"><span class=\"shz-rotary-kicker\">Resources<\/span><h2 class=\"shz-rotary-h2\">Datasheets And Related Switch Pages<\/h2><\/div>\n    <div class=\"shz-rotary-res-grid\">\n      <article class=\"shz-rotary-card shz-rotary-res\"><div class=\"shz-rotary-res-icon\"><svg\n  class=\"lucide lucide-shield-check\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M20 13c0 5-3.5 7.5-7.66 8.95a1 1 0 0 1-.67-.01C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.24-2.72a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1z\" \/>\n  <path d=\"m9 12 2 2 4-4\" \/>\n<\/svg><\/div><h3>Waterproof Rotary Switch Boxes<\/h3><p>For pre-wired boxes for outdoor and harsh environments.<\/p><a href=\"https:\/\/shieldhz.com\/waterproof-isolator-box\/\">Open waterproof page<\/a><\/article>\n      <article class=\"shz-rotary-card shz-rotary-res\"><div class=\"shz-rotary-res-icon\"><svg\n  class=\"lucide lucide-sun\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <circle cx=\"12\" cy=\"12\" r=\"4\" \/>\n  <path d=\"M12 2v2\" \/>\n  <path d=\"M12 20v2\" \/>\n  <path d=\"m4.93 4.93 1.41 1.41\" \/>\n  <path d=\"m17.66 17.66 1.41 1.41\" \/>\n  <path d=\"M2 12h2\" \/>\n  <path d=\"M20 12h2\" \/>\n  <path d=\"m6.34 17.66-1.41 1.41\" \/>\n  <path d=\"m19.07 4.93-1.41 1.41\" \/>\n<\/svg><\/div><h3>PV DC Isolator Route<\/h3><p>For solar PV string and inverter isolation solutions.<\/p><a href=\"https:\/\/shieldhz.com\/dc-isolator-switches\/\">Open PV isolator page<\/a><\/article>\n      <article class=\"shz-rotary-card shz-rotary-res\"><div class=\"shz-rotary-res-icon\"><svg\n  class=\"lucide lucide-book-open\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M12 7v14\" \/>\n  <path d=\"M3 18a1 1 0 0 1-1-1V4a1 1 0 0 1 1-1h5a4 4 0 0 1 4 4 4 4 0 0 1 4-4h5a1 1 0 0 1 1 1v13a1 1 0 0 1-1 1h-6a3 3 0 0 0-3 3 3 3 0 0 0-3-3z\" \/>\n<\/svg><\/div><h3>Downloads &amp; Catalogs<\/h3><p>Datasheets, user manuals, certificates, and code guides.<\/p><a href=\"https:\/\/shieldhz.com\/resources\/\">Open switch downloads<\/a><\/article>\n      <article class=\"shz-rotary-card shz-rotary-res\"><div class=\"shz-rotary-res-icon\"><svg\n  class=\"lucide lucide-list-checks\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <path d=\"M13 5h8\" \/>\n  <path d=\"M13 12h8\" \/>\n  <path d=\"M13 19h8\" \/>\n  <path d=\"m3 17 2 2 4-4\" \/>\n  <path d=\"m3 7 2 2 4-4\" \/>\n<\/svg><\/div><h3>Engineering Checklist<\/h3><p>Key technical checks before selecting your rotary switch.<\/p><a href=\"https:\/\/shieldhz.com\/resources\/\">Open engineering checklist<\/a><\/article>\n      <article class=\"shz-rotary-card shz-rotary-res\"><div class=\"shz-rotary-res-icon\"><svg\n  class=\"lucide lucide-clipboard-check\"\n  xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n  viewBox=\"0 0 24 24\"\n  fill=\"none\"\n  stroke=\"currentColor\"\n  stroke-width=\"2\"\n  stroke-linecap=\"round\"\n  stroke-linejoin=\"round\"\n>\n  <rect width=\"8\" height=\"4\" x=\"8\" y=\"2\" rx=\"1\" ry=\"1\" \/>\n  <path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\" \/>\n  <path d=\"m9 14 2 2 4-4\" \/>\n<\/svg><\/div><h3>Procurement Checklist<\/h3><p>Ensure you have all details ready for purchasing.<\/p><a href=\"https:\/\/shieldhz.com\/contact\/\">Send procurement details<\/a><\/article>\n    <\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-ROTARY-SEC8 RESOURCES 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-rotaryfaq\" data-block-id=\"rotaryfaq\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotaryfaq-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotaryfaqc\" data-v=\"4\" data-block-id=\"rotaryfaqc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotaryfaqc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotaryfaqc-inner-blocks\">\n<!-- SHZ-ROTARY-SEC9 FAQ START -->\n<section class=\"shz-rotary shz-rotary-faqsec\" id=\"rotary-faq\">\n  <style>\n    .shz-rotary-faqsec{background:#fff}.shz-rotary-faqsec .shz-rotary-wrap{padding-top:54px;padding-bottom:68px}.shz-rotary-faq{width:min(1080px,100%);margin:28px auto 0;border:1px solid var(--border);border-radius:8px;background:#fff;overflow:hidden;box-shadow:0 10px 28px rgba(16,33,61,.05)}.shz-rotary-faq details{border-top:1px solid var(--border)}.shz-rotary-faq details:first-child{border-top:0}.shz-rotary-faq summary{position:relative;cursor:pointer;list-style:none;padding:19px 60px 19px 24px;color:var(--ink);font-size:15px;font-weight:900;line-height:1.35}.shz-rotary-faq summary::-webkit-details-marker{display:none}.shz-rotary-faq summary:before,.shz-rotary-faq summary:after{content:\"\";position:absolute;right:26px;top:50%;width:14px;height:2px;background:#123B78;border-radius:2px;transform:translateY(-50%);transition:transform .18s ease}.shz-rotary-faq summary:after{transform:translateY(-50%) rotate(90deg)}.shz-rotary-faq details[open] summary{background:#F5F8FD;color:#123B78}.shz-rotary-faq details[open] summary:after{transform:translateY(-50%) rotate(0deg)}.shz-rotary-faq p{margin:0;padding:0 24px 20px;color:#5D6B82;font-size:14.5px;line-height:1.62;background:#F5F8FD}@media(max-width:620px){.shz-rotary-faqsec .shz-rotary-wrap{padding-top:42px}.shz-rotary-faq{border-radius:0;margin-left:-14px;margin-right:-14px;width:auto}.shz-rotary-faq summary{padding-left:16px}}\n  <\/style>\n  <div class=\"shz-rotary-wrap\">\n    <div class=\"shz-rotary-center\"><span class=\"shz-rotary-kicker\">FAQ<\/span><h2 class=\"shz-rotary-h2\">Rotary Cam Switch FAQ<\/h2><\/div>\n    <div class=\"shz-rotary-faq\">\n      <details><summary>What is a rotary cam switch?<\/summary><p>A rotary cam switch is a manually operated electrical switch that uses a cam mechanism to open and close contact blocks in defined handle positions. It is used when one rotary handle needs to control selector functions, source changeover, motor commands, meter selection, or custom circuit routing inside a control panel.<\/p><\/details>\n      <details><summary>What is a rotary cam switch used for?<\/summary><p>A rotary cam switch is used for selector switching, ON-OFF control, 1-0-2 changeover, motor control commands, voltmeter or ammeter selection, and staged control logic. In industrial panels, it lets operators route power or control circuits through fixed handle positions without using multiple separate switches.<\/p><\/details>\n      <details><summary>How do I choose a rotary cam switch?<\/summary><p>Choose a rotary cam switch by matching the rated current, operational voltage, pole count, switching angle, contact program, handle type, and mounting method to the circuit. For motor or inductive loads, check the AC-23A duty rating instead of sizing only by thermal current.<\/p><\/details>\n      <details><summary>What is the difference between a rotary cam switch and an isolator switch?<\/summary><p>A rotary cam switch is mainly used for circuit routing, selector logic, meter selection, and changeover functions. An isolator switch is mainly used for visible OFF, padlockable disconnection, maintenance safety, and load isolation. Use LW28 or LW42 for cam logic, and use SH30 when the job is local isolation.<\/p><\/details>\n      <details><summary>What is the difference between LW28, LW42, and SH30?<\/summary><p>LW28 is the broad universal cam switch route for 10A to 315A selector, changeover, and metering programs. LW42 is the compact route for 20A, 25A, and 32A panel or single-hole switching formats. SH30 is the load isolator route for visible OFF, padlockable, and door-interlock disconnection.<\/p><\/details>\n      <details><summary>What information is needed for a rotary cam switch quote?<\/summary><p>Send the rated current, voltage, load type, pole count, contact program or wiring diagram, handle positions, mounting method, handle marking, enclosure requirement, quantity, and target certification market. If the exact code is unknown, share the application and circuit function so engineering can route the right LW28, LW42, or SH30 series.<\/p><\/details>\n      <details><summary>Are waterproof rotary cam switches available?<\/summary><p>Yes. Waterproof rotary switch solutions are available when the application needs cable entry, enclosure protection, outdoor mounting, or harsh-environment operation. Check the switch front-panel IP rating and the full enclosure IP rating separately; use the waterproof isolator box route when IP65\/IP67 enclosure protection is part of the requirement.<\/p><\/details>\n    <\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-ROTARY-SEC9 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-rotarycta\" data-block-id=\"rotarycta\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-rotarycta-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-rotaryctac\" data-v=\"4\" data-block-id=\"rotaryctac\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-rotaryctac-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-rotaryctac-inner-blocks\">\n<!-- SHZ-ROTARY-SEC10 CTA START -->\n<section class=\"shz-rotary shz-rotary-cta\" id=\"rotary-inquiry\">\n  <style>\n    .shz-rotary-cta{position:relative;overflow:hidden;background:linear-gradient(115deg,#061A36 0%,#082B58 56%,#0E4A93 100%);color:#fff}.shz-rotary-cta:before{content:\"\";position:absolute;inset:0;background:radial-gradient(circle at 78% 25%,rgba(74,143,212,.24),transparent 34%);pointer-events:none}.shz-rotary-cta .shz-rotary-wrap{position:relative;z-index:1;padding:72px 0}.shz-rotary-cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(500px,.84fr);gap:94px;align-items:center}.shz-rotary-cta-copy{position:relative;min-height:330px;display:flex;flex-direction:column;justify-content:center;padding-left:96px;isolation:isolate}.shz-rotary-cta-art{position:absolute;left:-245px;top:50%;width:840px;height:460px;transform:translateY(-50%);opacity:.32;z-index:0;pointer-events:none}.shz-rotary-cta-art img{width:100%;height:100%;object-fit:contain;display:block}.shz-rotary-cta .shz-rotary-kicker,.shz-rotary-cta h2,.shz-rotary-cta p{position:relative;z-index:1}.shz-rotary-cta .shz-rotary-kicker{color:#71A9F3}.shz-rotary-cta h2{margin:0 0 16px;color:#fff;font-size:clamp(34px,3.25vw,50px);line-height:1.05;font-weight:900;letter-spacing:0;max-width:640px;text-shadow:0 12px 28px rgba(0,13,34,.28)}.shz-rotary-cta p{margin:0;max-width:620px;color:#C8D8EE;font-size:16px;line-height:1.66;text-shadow:0 10px 24px rgba(0,13,34,.2)}.shz-rotary-form-shell{padding:24px;border-radius:8px;background:#fff;border:1px solid rgba(255,255,255,.35);box-shadow:0 24px 52px rgba(0,0,0,.26);color:#10213D}.shz-rotary-form-shell .fluentform{margin:0}.shz-rotary-form-shell .ff-el-group{margin-bottom:12px}.shz-rotary-form-shell .ff-el-form-control{border:1px solid #DDE5F0!important;border-radius:5px!important;background:#F8FAFD!important;color:#10213D!important;font:600 14px\/1.35 inherit!important;padding:13px 14px!important;box-shadow:none!important}.shz-rotary-form-shell textarea.ff-el-form-control{min-height:120px!important}.shz-rotary-form-shell .ff-el-form-control:focus{border-color:#6EA7F2!important;box-shadow:0 0 0 3px rgba(74,143,212,.16)!important}.shz-rotary-form-shell .ff-btn-submit,.shz-rotary-form-shell button[type=submit]{width:100%;min-height:44px;border:1px solid var(--accent)!important;border-radius:5px!important;background:var(--accent)!important;color:#fff!important;font-weight:850!important;box-shadow:0 8px 18px rgba(13,107,218,.22)!important}.shz-rotary-form-shell .ff-el-input--label,.shz-rotary-form-shell label{color:#10213D;font-weight:800}.shz-rotary-form-note{margin:12px 0 0;color:#718096;font-size:12px;line-height:1.45;text-align:center}@media(max-width:980px){.shz-rotary-cta-grid{grid-template-columns:1fr;gap:34px}.shz-rotary-cta-copy{padding-left:0}.shz-rotary-cta-art{left:-150px;right:auto;width:760px;height:420px;opacity:.18}}@media(max-width:560px){.shz-rotary-cta .shz-rotary-wrap{padding:50px 0}.shz-rotary-form-shell{padding:16px}.shz-rotary-cta-art{left:-120px;width:600px;height:330px;opacity:.12}}body.page-id-1373 .site-main,body.page-id-1373 #main,body.page-id-1373 article,body.page-id-1373 .entry-content,body.page-id-1373 .ct-container-full,body.page-id-1373 .stk-rotarycta,body.page-id-1373 .stk-rotaryctac,body.page-id-1373 .stk-rotaryctac-container,body.page-id-1373 .stk-rotaryctac-inner-blocks{margin-bottom:0!important;padding-bottom:0!important}body.page-id-1373 .entry-content>.wp-block-stackable-columns:last-child{margin-bottom:0!important;padding-bottom:0!important}body.page-id-1373 .site-footer,body.page-id-1373 .ct-footer{margin-top:0!important}\n  <\/style>\n  <div class=\"shz-rotary-wrap shz-rotary-cta-grid\">\n    <div class=\"shz-rotary-cta-copy\">\n      <div class=\"shz-rotary-cta-art\"><img decoding=\"async\" src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/05\/rotary-three-products-line-art-cta.webp\" alt=\"Line art showing LW28, LW42, and SH30 rotary switch product routes\"><\/div>\n      <span class=\"shz-rotary-kicker\">Inquiry<\/span><h2>Send The Requirement,<br>We Match The Series<\/h2><p>Share current rating, switching function, quantity, target certification market, and delivery schedule. Our engineering team will match the LW28, LW42, or SH30 series and confirm MOQ, lead time, and documentation package.<\/p>\n    <\/div>\n    <div class=\"shz-rotary-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='1373' \/><input type=\"hidden\" 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{\"id\":\"1\",\"ajaxUrl\":\"https:\\\/\\\/shieldhz.com\\\/wp-admin\\\/admin-ajax.php\",\"settings\":{\"layout\":{\"labelPlacement\":\"top\",\"helpMessagePlacement\":\"with_label\",\"errorMessagePlacement\":\"inline\",\"cssClassName\":\"\",\"asteriskPlacement\":\"asterisk-right\"},\"restrictions\":{\"denyEmptySubmission\":{\"enabled\":false}}},\"form_instance\":\"ff_form_instance_1_1\",\"form_id_selector\":\"fluentform_1\",\"rules\":{\"names[first_name]\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"names[middle_name]\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"names[last_name]\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"email\":{\"required\":{\"value\":true,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"},\"email\":{\"value\":true,\"message\":\"This field must contain a valid email\",\"global\":false,\"global_message\":\"This field must contain a valid email\"}},\"subject\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"message\":{\"required\":{\"value\":true,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}}},\"debounce_time\":300};\n                            <\/script>\n            <p class=\"shz-rotary-form-note\">For direct email, contact sales@shieldhz.com or info@shieldhz.com.<\/p><\/div>\n  <\/div>\n<\/section>\n<!-- SHZ-ROTARY-SEC10 CTA END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Compare Shieldhz LW28, LW42 and SH30 rotary cam switches for control panels, motor isolation, changeover and waterproof disconnects. Get model routes and datasheets.<\/p>","protected":false},"author":1,"featured_media":2014,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-1373","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":{"has_hero_section":"disabled","vertical_spacing_source":"custom","content_area_spacing":"bottom","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/shieldhz.com\/pt\/wp-json\/wp\/v2\/pages\/1373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shieldhz.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/shieldhz.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/pt\/wp-json\/wp\/v2\/comments?post=1373"}],"version-history":[{"count":58,"href":"https:\/\/shieldhz.com\/pt\/wp-json\/wp\/v2\/pages\/1373\/revisions"}],"predecessor-version":[{"id":2671,"href":"https:\/\/shieldhz.com\/pt\/wp-json\/wp\/v2\/pages\/1373\/revisions\/2671"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/pt\/wp-json\/wp\/v2\/media\/2014"}],"wp:attachment":[{"href":"https:\/\/shieldhz.com\/pt\/wp-json\/wp\/v2\/media?parent=1373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}