{"id":29561,"date":"2026-06-24T10:12:19","date_gmt":"2026-06-24T02:12:19","guid":{"rendered":"https:\/\/www.cnspd.com\/?page_id=29561"},"modified":"2026-08-06T16:43:47","modified_gmt":"2026-08-06T08:43:47","slug":"pv-surge-protective-device-for-solar-dc-systems","status":"publish","type":"page","link":"https:\/\/www.cnspd.com\/th\/pv-surge-protective-device\/","title":{"rendered":"PV Surge Protective Device for Solar DC Systems"},"content":{"rendered":"<section class=\"l-section wpb_row us_custom_f15df953 height_large width_full\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-html\"><script>\n(function(){\n  document.documentElement.classList.add('leeyee-pv-landing-active');\n  function activate(){\n    if(document.body)document.body.classList.add('leeyee-pv-landing-active');\n    var root=document.getElementById('leeyee-pv-spd-landing');\n    var node=root?root.parentElement:null;\n    while(node&&node!==document.body){node.classList.add('leeyee-pv-page-shell');node=node.parentElement;}\n  }\n  if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',activate);}else{activate();}\n})();\n<\/script>\n\n<style>\nhtml.leeyee-pv-landing-active{margin:0!important;padding:0!important;scroll-padding-top:78px}\nbody.leeyee-pv-landing-active{margin:0!important;padding:0!important;overflow-x:hidden;background:#fff!important}\nbody.leeyee-pv-landing-active .l-header,\nbody.leeyee-pv-landing-active header.l-header,\nbody.leeyee-pv-landing-active #page-header,\nbody.leeyee-pv-landing-active .w-page-title,\nbody.leeyee-pv-landing-active .l-footer,\nbody.leeyee-pv-landing-active footer.l-footer,\nbody.leeyee-pv-landing-active #page-footer,\nbody.leeyee-pv-landing-active #footer,\nbody.leeyee-pv-landing-active footer.site-footer,\nbody.leeyee-pv-landing-active .site-footer,\nbody.leeyee-pv-landing-active .main-footer,\nbody.leeyee-pv-landing-active .footer-main,\nbody.leeyee-pv-landing-active .l-subfooter,\nbody.leeyee-pv-landing-active .footer-widget-area{display:none!important}\nbody.leeyee-pv-landing-active .l-canvas,\nbody.leeyee-pv-landing-active .l-main,\nbody.leeyee-pv-landing-active .leeyee-pv-page-shell,\nbody.leeyee-pv-landing-active .leeyee-pv-page-shell>.l-section-h{margin-top:0!important;margin-bottom:0!important;padding-top:0!important;padding-bottom:0!important;min-height:0!important}\nbody.leeyee-pv-landing-active .leeyee-pv-page-shell>.l-section-h{width:100%!important;max-width:none!important}\n\n#leeyee-pv-spd-landing,\n#leeyee-pv-spd-landing *{box-sizing:border-box}\n#leeyee-pv-spd-landing{\n  --pv-blue:#004898;\n  --pv-blue-dark:#00376f;\n  --pv-navy:#071f3d;\n  --pv-ink:#17283b;\n  --pv-text:#4b5e72;\n  --pv-muted:#718196;\n  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transparent;border-radius:8px;font-size:13px;font-weight:850;line-height:1;white-space:nowrap;cursor:pointer;transition:.2s ease}\n#leeyee-pv-spd-landing .pv-btn:hover{transform:translateY(-2px)}\n#leeyee-pv-spd-landing .pv-btn .w-btn-label{display:block;white-space:nowrap}\n#leeyee-pv-spd-landing .pv-btn-primary{color:#fff!important;background:var(--pv-blue)!important;border-color:var(--pv-blue)!important;box-shadow:0 10px 24px rgba(0,72,152,.18)}\n#leeyee-pv-spd-landing .pv-btn-primary:hover{background:var(--pv-blue-dark)!important}\n#leeyee-pv-spd-landing .pv-btn-secondary{color:var(--pv-blue)!important;background:#fff!important;border-color:#a9c5df!important}\n#leeyee-pv-spd-landing .pv-btn-secondary:hover{border-color:var(--pv-blue)!important;background:#f4f9fe!important}\n#leeyee-pv-spd-landing .pv-btn-small{min-height:42px;padding:0 15px;font-size:12px;box-shadow:none}\n\n#leeyee-pv-spd-landing .pv-nav{position:sticky;top:0;z-index:9997;border-bottom:1px solid 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26px;background:#06172d;color:#cbd8e5}\n#leeyee-pv-spd-landing .pv-footer-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center}\n#leeyee-pv-spd-landing .pv-footer-brand strong{display:block;color:#fff;font-size:16px;letter-spacing:-.02em}\n#leeyee-pv-spd-landing .pv-footer-brand span{display:block;margin-top:3px;color:#91a4b8;font-size:11px}\n#leeyee-pv-spd-landing .pv-footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:16px}\n#leeyee-pv-spd-landing .pv-footer-links a{color:#cbd8e5;font-size:11.5px;font-weight:750}\n#leeyee-pv-spd-landing .pv-footer-links a:hover{color:#fff}\n#leeyee-pv-spd-landing .pv-footer-note{grid-column:1\/-1;padding-top:12px;border-top:1px solid rgba(255,255,255,.1);color:#879bad;font-size:10.5px;line-height:1.45}\n#leeyee-pv-spd-landing 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auto auto;gap:12px}\n  #leeyee-pv-spd-landing .pv-nav-toggle{display:block;justify-self:end}\n  #leeyee-pv-spd-landing .pv-nav-links{position:absolute;left:0;right:0;top:68px;display:none;grid-template-columns:1fr;gap:0;margin:0;padding:8px 18px 16px;border-bottom:1px solid var(--pv-line);background:#fff;box-shadow:0 12px 24px rgba(7,40,72,.1)}\n  #leeyee-pv-spd-landing .pv-nav-links.is-open{display:grid}\n  #leeyee-pv-spd-landing .pv-nav-links a{padding:11px 0;border-bottom:1px solid #edf1f5}\n  #leeyee-pv-spd-landing .pv-nav-quote{justify-self:end}\n  #leeyee-pv-spd-landing .pv-hero-grid{grid-template-columns:1fr;grid-template-areas:\"copy\" \"actions\" \"visual\";gap:0}\n  #leeyee-pv-spd-landing .pv-hero-visual{margin-top:28px}\n  #leeyee-pv-spd-landing .pv-trust-strip{grid-template-columns:repeat(2,minmax(0,1fr))}\n  #leeyee-pv-spd-landing .pv-trust-item:nth-child(2){border-right:0}\n  #leeyee-pv-spd-landing .pv-trust-item:nth-child(-n+2){border-bottom:1px solid var(--pv-line)}\n  #leeyee-pv-spd-landing .pv-selection-grid,\n  #leeyee-pv-spd-landing .pv-product-grid,\n  #leeyee-pv-spd-landing .pv-proof-grid,\n  #leeyee-pv-spd-landing .pv-oem-top,\n  #leeyee-pv-spd-landing .pv-rfq-grid{grid-template-columns:1fr}\n  #leeyee-pv-spd-landing .pv-product-card{grid-template-columns:220px minmax(0,1fr)}\n  #leeyee-pv-spd-landing .pv-rfq-grid{gap:28px}\n}\n@media(max-width:680px){\n  html.leeyee-pv-landing-active{scroll-padding-top:68px}\n  body.leeyee-pv-landing-active{padding-bottom:70px!important}\n  #leeyee-pv-spd-landing .pv-wrap{width:min(100% - 28px,600px)}\n  #leeyee-pv-spd-landing .pv-section{padding:48px 0}\n  #leeyee-pv-spd-landing .pv-brand-sub,#leeyee-pv-spd-landing .pv-brand-sep{display:none}\n  #leeyee-pv-spd-landing .pv-nav-inner{height:62px;grid-template-columns:auto 41px}\n  #leeyee-pv-spd-landing .pv-nav-links{top:62px}\n  #leeyee-pv-spd-landing .pv-nav-quote{display:none}\n  #leeyee-pv-spd-landing .pv-hero{padding:38px 0 28px}\n  #leeyee-pv-spd-landing 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.pv-position-card h3{font-size:16px}\n  #leeyee-pv-spd-landing .pv-position-card p{font-size:12.5px}\n  #leeyee-pv-spd-landing .pv-oem-shell{padding:20px}\n  #leeyee-pv-spd-landing .pv-oem-top{grid-template-columns:1fr;gap:22px}\n  #leeyee-pv-spd-landing .pv-oem-capabilities{grid-template-columns:repeat(2,minmax(0,1fr))}\n  #leeyee-pv-spd-landing .pv-oem-flow{grid-template-columns:1fr 1fr}\n  #leeyee-pv-spd-landing .pv-rfq-card{padding:20px}\n  #leeyee-pv-spd-landing .pv-form-grid{grid-template-columns:1fr}\n  #leeyee-pv-spd-landing .pv-field.is-full,#leeyee-pv-spd-landing .pv-form-submit,#leeyee-pv-spd-landing .pv-form-status{grid-column:auto}\n  #leeyee-pv-spd-landing .pv-form-submit{display:grid;gap:8px}\n  #leeyee-pv-spd-landing .pv-form-submit .pv-btn{width:100%}\n  #leeyee-pv-spd-landing .pv-footer-inner{grid-template-columns:1fr;text-align:center}\n  #leeyee-pv-spd-landing .pv-footer-links{justify-content:center}\n  #leeyee-pv-spd-landing .pv-mobile-cta{display:flex;align-items:center;justify-content:center}\n}\n@media(max-width:390px){\n  #leeyee-pv-spd-landing .pv-oem-capabilities,#leeyee-pv-spd-landing .pv-oem-flow{grid-template-columns:1fr}\n  #leeyee-pv-spd-landing .pv-wrap{width:calc(100% - 22px)}\n  #leeyee-pv-spd-landing .pv-hero-benefits{display:grid;grid-template-columns:1fr 1fr}\n  #leeyee-pv-spd-landing .pv-hero-benefit{justify-content:center;white-space:normal;text-align:center}\n  #leeyee-pv-spd-landing .pv-trust-strip{grid-template-columns:1fr}\n  #leeyee-pv-spd-landing .pv-trust-item{border-right:0;border-bottom:1px solid var(--pv-line)}\n  #leeyee-pv-spd-landing .pv-trust-item:last-child{border-bottom:0}\n  #leeyee-pv-spd-landing .pv-spec-list{grid-template-columns:1fr}\n  #leeyee-pv-spd-landing .pv-product-body{padding:18px}\n}\n\n@media(max-width:350px){\n  #leeyee-pv-spd-landing .pv-position-grid{grid-template-columns:1fr}\n  #leeyee-pv-spd-landing .pv-position-card:nth-child(5),#leeyee-pv-spd-landing .pv-position-guide{grid-column:auto}\n}\n<\/style>\n\n<!-- LEEYEE PV SPD LANDING BUILD: V5-2026-08-06 -->\n<div id=\"leeyee-pv-spd-landing\" data-build=\"V5-2026-08-06\">\n  <nav class=\"pv-nav\" aria-label=\"PV SPD landing page navigation\">\n    <div class=\"pv-wrap pv-nav-inner\">\n      <a class=\"pv-brand\" href=\"#pv-top\" aria-label=\"LEEYEE PV SPD landing page\">\n        <span class=\"pv-brand-main\">LEEYEE<\/span>\n        <span class=\"pv-brand-sep\"><\/span>\n        <span class=\"pv-brand-sub\">Solar PV Surge Protection<\/span>\n      <\/a>\n      <div class=\"pv-nav-links\" id=\"pv-nav-links\">\n        <a href=\"#pv-selection\">Selection<\/a>\n        <a href=\"#pv-models\">PV Models<\/a>\n        <a href=\"#pv-testing\">Testing<\/a>\n        <a href=\"#pv-oem\">OEM Support<\/a>\n        <a href=\"#pv-faq\">FAQ<\/a>\n      <\/div>\n      <button class=\"pv-nav-toggle\" type=\"button\" aria-expanded=\"false\" aria-controls=\"pv-nav-links\" aria-label=\"Open navigation\"><span><\/span><\/button>\n      <button class=\"pv-btn pv-btn-primary pv-nav-quote leeyee-site-popup-btn\" type=\"button\" data-model=\"PV SPD model selection\" aria-label=\"Request PV SPD model and quote\"><span class=\"w-btn-label\">Request Model & Quote<\/span><\/button>\n    <\/div>\n  <\/nav>\n\n  <main>\n    <section class=\"pv-hero\" id=\"pv-top\">\n      <div class=\"pv-wrap\">\n        <div class=\"pv-hero-grid\">\n          <div class=\"pv-hero-copy\">\n            <div class=\"pv-hero-label\">PV Surge Protective Device Manufacturer<\/div>\n            <h1>PV Surge Protective Devices for <span>600V, 1000V &amp; 1500V<\/span> Solar DC Systems<\/h1>\n            <p class=\"pv-hero-lead\">Type 2 and Type 1+2 PV DC SPDs for solar EPCs, combiner-box manufacturers, distributors and OEM projects\u2014with model-specific voltage, pole, document and quotation confirmation.<\/p>\n          <\/div>\n          <div class=\"pv-hero-actions-wrap\">\n            <div class=\"pv-hero-actions\">\n              <button class=\"pv-btn pv-btn-primary leeyee-site-popup-btn\" type=\"button\" data-model=\"PV SPD model selection\" aria-label=\"Confirm PV voltage and request quote\"><span class=\"w-btn-label\">Confirm PV Voltage &amp; Quote<\/span><\/button>\n              <a class=\"pv-btn pv-btn-secondary\" href=\"#pv-models\"><span class=\"w-btn-label\">Compare PV SPD Models<\/span><\/a>\n            <\/div>\n            <div class=\"pv-hero-benefits\">\n              <span class=\"pv-hero-benefit\">Type 2 \/ Type 1+2<\/span>\n              <span class=\"pv-hero-benefit\">2P \/ 3P \/ D4<\/span>\n              <span class=\"pv-hero-benefit\">IEC 61643-31<\/span>\n              <span class=\"pv-hero-benefit\">OEM &amp; Project Supply<\/span>\n            <\/div>\n          <\/div>\n          <div class=\"pv-hero-visual\">\n            <div class=\"pv-product-stage\">\n              <span class=\"pv-stage-badge\">1000V PV DC \u00b7 Type 1+2<\/span>\n              <img fetchpriority=\"high\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/06\/%E5%9B%BE%E5%B1%8286.jpg\" width=\"1000\" height=\"1000\" loading=\"eager\" fetchpriority=\"high\" decoding=\"async\" alt=\"LEEYEE LY1-C40PV 2-pole 1000V Type 1+2 PV surge protective device\">\n              <div class=\"pv-stage-caption\">\n                <strong>LY1-C40PV\/2(S) 1000V<\/strong>\n                <div class=\"pv-stage-specs\">\n                  <span class=\"pv-stage-spec\">Ucpv<br>1000V DC<\/span>\n                  <span class=\"pv-stage-spec\">In \/ Imax<br>20 \/ 40kA<\/span>\n                  <span class=\"pv-stage-spec\">Iimp<br>6.25kA<\/span>\n                  <span class=\"pv-stage-spec\">Up<br>3.6kV<\/span>\n                <\/div>\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n        <div class=\"pv-trust-strip\" aria-label=\"PV SPD purchasing support\">\n          <div class=\"pv-trust-item\"><strong>Voltage Matching<\/strong><span>Confirm Ucpv against the calculated maximum string Voc.<\/span><\/div>\n          <div class=\"pv-trust-item\"><strong>Model-Specific Files<\/strong><span>Datasheet and certificate scope checked by exact model.<\/span><\/div>\n          <div class=\"pv-trust-item\"><strong>Combiner &amp; Inverter Use<\/strong><span>Selection support for the actual DC installation position.<\/span><\/div>\n          <div class=\"pv-trust-item\"><strong>OEM Consistency<\/strong><span>Label, packaging and documents reviewed before batch supply.<\/span><\/div>\n        <\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"pv-section\" id=\"pv-selection\">\n      <div class=\"pv-wrap\">\n        <div class=\"pv-section-head\">\n          <span class=\"pv-kicker\">Quick Selection<\/span>\n          <h2>Confirm three items before selecting a solar PV SPD<\/h2>\n          <p>A PV SPD should not be selected by the system\u2019s marketing label alone. Use the project\u2019s calculated maximum string voltage, lightning protection condition and wiring configuration.<\/p>\n        <\/div>\n        <div class=\"pv-selection-grid\">\n          <article class=\"pv-selection-card\">\n            <span class=\"pv-step-no\">01<\/span>\n            <h3>Maximum string voltage<\/h3>\n            <p>Start with module Voc, modules per string and the minimum design temperature. Confirm that the selected Ucpv remains above the calculated maximum operating condition.<\/p>\n          <\/article>\n          <article class=\"pv-selection-card\">\n            <span class=\"pv-step-no\">02<\/span>\n            <h3>Type 2 or Type 1+2<\/h3>\n            <p>Type 2 is commonly used for induced and switching surges. Type 1+2 is evaluated where the lightning protection design indicates that partial lightning current may enter the PV circuit.<\/p>\n          <\/article>\n          <article class=\"pv-selection-card\">\n            <span class=\"pv-step-no\">03<\/span>\n            <h3>Poles and protection mode<\/h3>\n            <p>Confirm the actual DC+ \/ DC\u2212 \/ PE arrangement, cabinet wiring diagram and whether a 2-pole, 3-pole or D4 configuration is required.<\/p>\n          <\/article>\n        <\/div>\n        <div class=\"pv-selection-note\"><strong>Buyer pre-selection:<\/strong> send the module Voc, modules per string, minimum design temperature, inverter or combiner-box position, grounding arrangement, cable length, external lightning protection condition and expected quantity.<\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"pv-section pv-section-soft\" id=\"pv-models\">\n      <div class=\"pv-wrap\">\n        <div class=\"pv-section-head\">\n          <span class=\"pv-kicker\">Real Product Range<\/span>\n          <h2>Compare LEEYEE PV surge protective device models<\/h2>\n          <p>These model cards provide buyer-level pre-selection. Formal project use still requires confirmation of the latest datasheet, wiring diagram, backup protection and certificate scope.<\/p>\n        <\/div>\n        <div class=\"pv-product-grid\">\n          <article class=\"pv-product-card\">\n            <div class=\"pv-product-image\"><img loading=\"lazy\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/06\/%E5%9B%BE%E5%B1%8291.jpg\" width=\"1000\" height=\"1000\" loading=\"lazy\" decoding=\"async\" alt=\"LY1-C40PV 3-pole 600V Type 2 PV DC surge protective device\"><\/div>\n            <div class=\"pv-product-body\">\n              <div class=\"pv-product-top\"><span class=\"pv-tag\">600V DC<\/span><span class=\"pv-tag\">Type 2<\/span><span class=\"pv-tag\">3-Pole<\/span><\/div>\n              <h3>LY1-C40PV\/3(S) 600V<\/h3>\n              <p class=\"pv-product-desc\">For 600V-class PV strings, combiner boxes and inverter DC inputs requiring a pluggable Class II \/ Type 2 DC SPD.<\/p>\n              <div class=\"pv-spec-list\">\n                <span class=\"pv-spec-item\"><b>In \/ Imax<\/b>20kA \/ 40kA, 8\/20\u03bcs<\/span>\n                <span class=\"pv-spec-item\"><b>Up<\/b>\u2264 2.2kV<\/span>\n                <span class=\"pv-spec-item\"><b>Protection<\/b>DC+\u2013PE \/ DC\u2212\u2013PE<\/span>\n                <span class=\"pv-spec-item\"><b>Standard<\/b>IEC 61643-31:2018<\/span>\n              <\/div>\n              <div class=\"pv-product-actions\">\n                <button class=\"pv-btn pv-btn-primary pv-btn-small leeyee-site-popup-btn\" type=\"button\" data-model=\"LY1-C40PV\/3(S) 600V Type 2\"><span class=\"w-btn-label\">Request This Model<\/span><\/button>\n                <a class=\"pv-text-link\" href=\"https:\/\/www.cnspd.com\/ly1-c40pv3s-600v-pluggable-multi-pole-spd-product\/\" target=\"_blank\" rel=\"noopener noreferrer\">View specifications \u2192<\/a>\n              <\/div>\n            <\/div>\n          <\/article>\n\n          <article class=\"pv-product-card\">\n            <div class=\"pv-product-image\"><img loading=\"lazy\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/06\/%E5%9B%BE%E5%B1%8286.jpg\" width=\"1000\" height=\"1000\" loading=\"lazy\" decoding=\"async\" alt=\"LY1-C40PV 2-pole 1000V Type 1 plus 2 PV DC surge protective device\"><\/div>\n            <div class=\"pv-product-body\">\n              <div class=\"pv-product-top\"><span class=\"pv-tag\">1000V DC<\/span><span class=\"pv-tag\">Type 1+2<\/span><span class=\"pv-tag\">2-Pole<\/span><\/div>\n              <h3>LY1-C40PV\/2(S) 1000V<\/h3>\n              <p class=\"pv-product-desc\">For common 1000V PV strings, combiner boxes and inverter DC inputs requiring positive and negative conductor protection.<\/p>\n              <div class=\"pv-spec-list\">\n                <span class=\"pv-spec-item\"><b>In \/ Imax<\/b>20kA \/ 40kA, 8\/20\u03bcs<\/span>\n                <span class=\"pv-spec-item\"><b>Iimp \/ Up<\/b>6.25kA \/ 3.6kV<\/span>\n                <span class=\"pv-spec-item\"><b>Protection<\/b>DC+\u2013PE \/ DC\u2212\u2013PE<\/span>\n                <span class=\"pv-spec-item\"><b>Standard<\/b>IEC 61643-31:2018<\/span>\n              <\/div>\n              <div class=\"pv-product-actions\">\n                <button class=\"pv-btn pv-btn-primary pv-btn-small leeyee-site-popup-btn\" type=\"button\" data-model=\"LY1-C40PV\/2(S) 1000V Type 1+2\"><span class=\"w-btn-label\">Request This Model<\/span><\/button>\n                <a class=\"pv-text-link\" href=\"https:\/\/www.cnspd.com\/ly1-c40pv2s1000v-pluggable-dc-spd-product\/\" target=\"_blank\" rel=\"noopener noreferrer\">View specifications \u2192<\/a>\n              <\/div>\n            <\/div>\n          <\/article>\n\n          <article class=\"pv-product-card\">\n            <div class=\"pv-product-image\"><img loading=\"lazy\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/06\/IMG_2039-scaled.jpg\" width=\"1000\" height=\"1000\" loading=\"lazy\" decoding=\"async\" alt=\"LY1-C40PV 3-pole 1000V D4 Type 1 plus 2 PV DC surge protective device\"><\/div>\n            <div class=\"pv-product-body\">\n              <div class=\"pv-product-top\"><span class=\"pv-tag\">1000V DC<\/span><span class=\"pv-tag\">Type 1+2<\/span><span class=\"pv-tag\">3P D4<\/span><\/div>\n              <h3>LY1-C40PV\/3(S) 1000V (D4)<\/h3>\n              <p class=\"pv-product-desc\">For multi-pole PV protection arrangements in combiner boxes and inverter cabinets that require the specific D4 wiring configuration.<\/p>\n              <div class=\"pv-spec-list\">\n                <span class=\"pv-spec-item\"><b>In \/ Imax<\/b>20kA \/ 40kA, 8\/20\u03bcs<\/span>\n                <span class=\"pv-spec-item\"><b>Iimp \/ Up<\/b>6.25kA \/ 3.6kV<\/span>\n                <span class=\"pv-spec-item\"><b>Configuration<\/b>3-Pole pluggable D4<\/span>\n                <span class=\"pv-spec-item\"><b>Standard<\/b>IEC 61643-31:2018<\/span>\n              <\/div>\n              <div class=\"pv-product-actions\">\n                <button class=\"pv-btn pv-btn-primary pv-btn-small leeyee-site-popup-btn\" type=\"button\" data-model=\"LY1-C40PV\/3(S) 1000V D4 Type 1+2\"><span class=\"w-btn-label\">Request This Model<\/span><\/button>\n                <a class=\"pv-text-link\" href=\"https:\/\/www.cnspd.com\/ly1-c40pv3s1000vd4-pluggable-dc-spd-product\/\" target=\"_blank\" rel=\"noopener noreferrer\">View specifications \u2192<\/a>\n              <\/div>\n            <\/div>\n          <\/article>\n\n          <article class=\"pv-product-card\">\n            <div class=\"pv-product-image\"><img loading=\"lazy\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/06\/IMG_2051-scaled.jpg\" width=\"1000\" height=\"1000\" loading=\"lazy\" decoding=\"async\" alt=\"LY1-C40PV 3-pole 1500V D4 Type 1 plus 2 PV DC surge protective device\"><\/div>\n            <div class=\"pv-product-body\">\n              <div class=\"pv-product-top\"><span class=\"pv-tag\">1500V DC<\/span><span class=\"pv-tag\">Type 1+2<\/span><span class=\"pv-tag\">3P D4<\/span><\/div>\n              <h3>LY1-C40PV\/3(S) 1500V (D4)<\/h3>\n              <p class=\"pv-product-desc\">For commercial and utility-scale 1500V PV systems, high-voltage combiner boxes, inverter DC inputs and DC protection panels.<\/p>\n              <div class=\"pv-spec-list\">\n                <span class=\"pv-spec-item\"><b>In \/ Imax<\/b>20kA \/ 40kA, 8\/20\u03bcs<\/span>\n                <span class=\"pv-spec-item\"><b>Iimp \/ Up<\/b>6.25kA \/ 5.6kV<\/span>\n                <span class=\"pv-spec-item\"><b>Configuration<\/b>3P multi-pole design<\/span>\n                <span class=\"pv-spec-item\"><b>Standard<\/b>IEC 61643-31:2018<\/span>\n              <\/div>\n              <div class=\"pv-product-actions\">\n                <button class=\"pv-btn pv-btn-primary pv-btn-small leeyee-site-popup-btn\" type=\"button\" data-model=\"LY1-C40PV\/3(S) 1500V D4 Type 1+2\"><span class=\"w-btn-label\">Request This Model<\/span><\/button>\n                <a class=\"pv-text-link\" href=\"https:\/\/www.cnspd.com\/ly1-c40pv3s-1500vd4-pluggable-multi-pole-spd-product\/\" target=\"_blank\" rel=\"noopener noreferrer\">View specifications \u2192<\/a>\n              <\/div>\n            <\/div>\n          <\/article>\n        <\/div>\n        <div class=\"pv-document-note\"><strong>Document boundary:<\/strong> certification and test-document availability depends on the exact model, voltage, SPD type, pole structure and branding configuration. Request the latest document set before project filing, tender use or OEM marking.<\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"pv-section\" id=\"pv-positions\">\n      <div class=\"pv-wrap\">\n        <div class=\"pv-section-head is-left\">\n          <span class=\"pv-kicker\">Application Positions<\/span>\n          <h2>Specify PV SPDs at the equipment protection points<\/h2>\n          <p>Prioritize the DC-side positions that protect the array circuits, combiner box and inverter input. Coordinate AC and monitoring protection separately when the project architecture requires it.<\/p>\n        <\/div>\n        <div class=\"pv-position-grid\" aria-label=\"Solar PV surge protection positions\">\n          <article class=\"pv-position-card is-primary\">\n            <div class=\"pv-position-top\"><span class=\"pv-position-code\">ARRAY<\/span><span class=\"pv-position-role\">DC entry<\/span><\/div>\n            <h3>PV array circuits<\/h3>\n            <p>Review exposed string routes and the point where outdoor DC conductors enter the protected electrical zone.<\/p>\n          <\/article>\n          <article class=\"pv-position-card is-primary\">\n            <div class=\"pv-position-top\"><span class=\"pv-position-code\">DC SPD<\/span><span class=\"pv-position-role\">Primary point<\/span><\/div>\n            <h3>Combiner box<\/h3>\n            <p>Install the selected PV SPD close to the string collection circuits and match <b>Ucpv, Type and pole configuration<\/b> to the box design.<\/p>\n          <\/article>\n          <article class=\"pv-position-card is-primary\">\n            <div class=\"pv-position-top\"><span class=\"pv-position-code\">INV DC<\/span><span class=\"pv-position-role\">Protected load<\/span><\/div>\n            <h3>Inverter DC input<\/h3>\n            <p>Protect the inverter DC terminals. Long routes may require coordinated protection at the combiner box and inverter ends.<\/p>\n          <\/article>\n          <article class=\"pv-position-card\">\n            <div class=\"pv-position-top\"><span class=\"pv-position-code\">AC SPD<\/span><span class=\"pv-position-role\">Coordination<\/span><\/div>\n            <h3>Inverter AC output<\/h3>\n            <p>Select the AC-side SPD according to the distribution system, voltage, Type, poles and upstream lightning protection concept.<\/p>\n          <\/article>\n          <article class=\"pv-position-card\">\n            <div class=\"pv-position-top\"><span class=\"pv-position-code\">DATA<\/span><span class=\"pv-position-role\">Coordination<\/span><\/div>\n            <h3>Monitoring lines<\/h3>\n            <p>Review RS485, meter and data-logger lines separately when outdoor or long communication cables create an additional surge path.<\/p>\n          <\/article>\n          <aside class=\"pv-position-guide\">\n            <div>\n              <h3>Need project-specific coordination?<\/h3>\n              <p>Send the PV voltage, maximum string Voc, installation points and cable layout. LEEYEE will review the DC-side SPD positions and identify whether AC or monitoring-line coordination also needs confirmation.<\/p>\n            <\/div>\n            <button class=\"pv-btn pv-btn-small leeyee-site-popup-btn\" type=\"button\" data-model=\"PV system protection coordination\" aria-label=\"Send PV system specification for protection coordination\"><span class=\"w-btn-label\">Send System Specification<\/span><\/button>\n          <\/aside>\n        <\/div>\n        <div class=\"pv-position-note\"><span><strong>Cable-length check:<\/strong> the need for protection at one or both ends depends on the route length, zoning, grounding and project design. Confirm this before final model approval.<\/span><\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"pv-section pv-section-soft\" id=\"pv-risks\">\n      <div class=\"pv-wrap\">\n        <div class=\"pv-section-head\">\n          <span class=\"pv-kicker\">Procurement Risk Control<\/span>\n          <h2>Four mistakes that cause wrong PV SPD orders<\/h2>\n          <p>Reliable procurement depends on the complete model, not only a \u201c40kA\u201d label or a nominal PV system voltage.<\/p>\n        <\/div>\n        <div class=\"pv-risk-grid\">\n          <article class=\"pv-risk-card\"><span class=\"pv-risk-icon\">V<\/span><h3>Using nominal voltage only<\/h3><p>Maximum string Voc changes with module count and temperature. Confirm Ucpv against the calculated project condition.<\/p><\/article>\n          <article class=\"pv-risk-card\"><span class=\"pv-risk-icon\">T<\/span><h3>Confusing Type 2 and Type 1+2<\/h3><p>The selection should follow the lightning protection concept and possible current path, not a preference for a higher printed rating.<\/p><\/article>\n          <article class=\"pv-risk-card\"><span class=\"pv-risk-icon\">P<\/span><h3>Ignoring pole configuration<\/h3><p>A 2P, 3P or D4 product must match the actual DC+, DC\u2212, PE and internal cabinet wiring arrangement.<\/p><\/article>\n          <article class=\"pv-risk-card\"><span class=\"pv-risk-icon\">D<\/span><h3>Assuming every certificate covers every label<\/h3><p>Confirm the exact model, voltage, pole structure, manufacturer and branding configuration before formal document use.<\/p><\/article>\n        <\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"pv-section\" id=\"pv-testing\">\n      <div class=\"pv-wrap\">\n        <div class=\"pv-section-head\">\n          <span class=\"pv-kicker\">Testing &amp; Evidence<\/span>\n          <h2>Verify components, impulse performance and thermal safety<\/h2>\n          <p>Testing evidence should answer a purchasing risk. Equipment photos alone do not replace model-specific declarations, datasheets or certificate scope.<\/p>\n        <\/div>\n        <div class=\"pv-proof-grid\">\n          <article class=\"pv-proof-card\">\n            <div class=\"pv-proof-image\"><img loading=\"lazy\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/07\/MOV-and-GDT-tester-.webp\" width=\"1448\" height=\"1086\" loading=\"lazy\" decoding=\"async\" alt=\"LEEYEE MOV and GDT component validation tester for surge protective devices\"><\/div>\n            <div class=\"pv-proof-body\"><h3>Component validation<\/h3><p>MOV and related component checks help control the core protection elements before assembly and batch release.<\/p><\/div>\n          <\/article>\n          <article class=\"pv-proof-card\">\n            <div class=\"pv-proof-image\"><img loading=\"lazy\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/07\/lightning-impulse-generator.webp\" width=\"1448\" height=\"1086\" loading=\"lazy\" decoding=\"async\" alt=\"LEEYEE lightning impulse generator used for SPD surge testing\"><\/div>\n            <div class=\"pv-proof-body\"><h3>Impulse testing<\/h3><p>Declared 8\/20\u03bcs and 10\/350\u03bcs performance must be reviewed against the exact PV SPD type and model.<\/p><\/div>\n          <\/article>\n          <article class=\"pv-proof-card\">\n            <div class=\"pv-proof-image\"><img loading=\"lazy\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/07\/Thermal-Stability-Test.webp\" width=\"1448\" height=\"1086\" loading=\"lazy\" decoding=\"async\" alt=\"LEEYEE thermal stability test for surge protective devices\"><\/div>\n            <div class=\"pv-proof-body\"><h3>Thermal safety review<\/h3><p>Thermal behavior and disconnection performance are important when MOV elements age or experience abnormal electrical stress.<\/p><\/div>\n          <\/article>\n        <\/div>\n        <div class=\"pv-proof-warning\">Ask for the latest datasheet, wiring diagram, certificate copy and scope sheet for the exact PV SPD model. Do not assume that one document automatically covers every voltage, pole option or OEM label.<\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"pv-section pv-section-soft\" id=\"pv-oem\">\n      <div class=\"pv-wrap\">\n        <div class=\"pv-section-head\">\n          <span class=\"pv-kicker\">OEM &amp; Project Supply<\/span>\n          <h2>Keep the product, label, packaging and documents consistent<\/h2>\n          <p>LEEYEE supports solar distributors, combiner-box manufacturers, EPC suppliers and electrical brands with model confirmation before sample and batch production.<\/p>\n        <\/div>\n        <div class=\"pv-oem-shell\">\n          <div class=\"pv-oem-top\">\n            <div class=\"pv-oem-intro\">\n              <h3>PV SPD supply support<\/h3>\n              <p>Start with the exact PV SPD model and project requirement. We then align the product identity, buyer-facing materials and available documentation before approval.<\/p>\n              <button class=\"pv-btn pv-btn-primary leeyee-site-popup-btn\" type=\"button\" data-model=\"OEM \/ Private Label PV SPD\"><span class=\"w-btn-label\">Send OEM Requirement<\/span><\/button>\n            <\/div>\n            <div class=\"pv-oem-capabilities\" aria-label=\"PV SPD OEM support scope\">\n              <div class=\"pv-oem-capability\"><strong>Product identity<\/strong><span>Logo, label, color and agreed model naming.<\/span><\/div>\n              <div class=\"pv-oem-capability\"><strong>Packaging<\/strong><span>Inner box, outer carton and instruction-file alignment.<\/span><\/div>\n              <div class=\"pv-oem-capability\"><strong>Technical files<\/strong><span>Datasheet, wiring information and available document scope.<\/span><\/div>\n              <div class=\"pv-oem-capability\"><strong>Approval control<\/strong><span>Artwork, sample and production details confirmed before release.<\/span><\/div>\n              <div class=\"pv-oem-capability\"><strong>Batch communication<\/strong><span>Agreed inspection points and product-identity checks.<\/span><\/div>\n              <div class=\"pv-oem-capability\"><strong>Consistency review<\/strong><span>Product, label, packaging and documents checked as one set.<\/span><\/div>\n            <\/div>\n          <\/div>\n          <div class=\"pv-oem-flow\" aria-label=\"PV SPD OEM workflow\">\n            <article class=\"pv-oem-step\">\n              <span class=\"pv-oem-step-label\">Step 1 \u00b7 Review<\/span>\n              <h4>Requirement review<\/h4>\n              <p>Confirm voltage, Type, poles, installation position, quantity and target-market documents.<\/p>\n            <\/article>\n            <article class=\"pv-oem-step\">\n              <span class=\"pv-oem-step-label\">Step 2 \u00b7 Match<\/span>\n              <h4>Model and file confirmation<\/h4>\n              <p>Match the exact product specification, wiring diagram and available document scope.<\/p>\n            <\/article>\n            <article class=\"pv-oem-step\">\n              <span class=\"pv-oem-step-label\">Step 3 \u00b7 Approve<\/span>\n              <h4>Sample or artwork approval<\/h4>\n              <p>Confirm label, packaging, manual and other agreed OEM details before production.<\/p>\n            <\/article>\n            <article class=\"pv-oem-step\">\n              <span class=\"pv-oem-step-label\">Step 4 \u00b7 Release<\/span>\n              <h4>Batch production and inspection<\/h4>\n              <p>Check the agreed product identity, appearance and documentation before shipment.<\/p>\n            <\/article>\n          <\/div>\n          <div class=\"pv-oem-foot\">Certification and test-document availability still depends on the exact model, voltage, pole structure and branding configuration.<\/div>\n        <\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"pv-section\" id=\"pv-faq\">\n      <div class=\"pv-wrap\">\n        <div class=\"pv-section-head\">\n          <span class=\"pv-kicker\">FAQ<\/span>\n          <h2>Solar PV SPD purchasing questions<\/h2>\n        <\/div>\n        <div class=\"pv-faq\">\n          <details><summary>How do I choose between a 600V, 1000V and 1500V PV SPD?<\/summary><p>Use the calculated maximum PV string open-circuit voltage at the minimum design temperature, then confirm that the selected Ucpv, wiring configuration and project standard are suitable. Do not select only from the nominal system label.<\/p><\/details>\n          <details><summary>When should I use a Type 1+2 PV SPD instead of Type 2?<\/summary><p>Type 2 is commonly used for induced and switching surges. Type 1+2 is considered where the lightning protection design indicates that partial lightning current may enter the PV electrical system. Final selection depends on the site design, separation distance, cable routing and local requirements.<\/p><\/details>\n          <details><summary>Can a 1000V PV SPD be installed in a 1500V system?<\/summary><p>No. A 1000V product should not be assumed suitable for a 1500V circuit. The SPD voltage rating and all related parameters must match the calculated project condition.<\/p><\/details>\n          <details><summary>Should the SPD be installed in the combiner box or at the inverter?<\/summary><p>The answer depends on the cable length, system layout and protection design. Many systems require protection close to the combiner-box circuits, inverter DC input or both ends of a long route.<\/p><\/details>\n          <details><summary>What information is needed for a model and quotation?<\/summary><p>Send module Voc, modules per string, minimum design temperature, system voltage, installation position, grounding arrangement, required SPD Type, pole configuration, expected quantity and required documents.<\/p><\/details>\n          <details><summary>Are CE, T\u00dcV and CB documents available for every PV SPD?<\/summary><p>Document availability and scope vary by exact model, voltage, pole structure and branding configuration. Request the latest model-specific file set before formal project or OEM use.<\/p><\/details>\n        <\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"pv-rfq-section\" id=\"pv-rfq\">\n      <div class=\"pv-wrap pv-rfq-grid\">\n        <div class=\"pv-rfq-copy\">\n          <span class=\"pv-kicker\">Request Model &amp; Quote<\/span>\n          <h2>Send your PV system details for model confirmation<\/h2>\n          <p>Send your PV system voltage, installation position and quantity. LEEYEE will review the suitable model and available technical documents for your project.<\/p>\n          <ul class=\"pv-rfq-points\">\n            <li>Confirm Ucpv, Type and pole configuration<\/li>\n            <li>Request model-specific datasheet and document review<\/li>\n            <li>Discuss distributor, combiner-box, EPC or OEM supply<\/li>\n          <\/ul>\n        <\/div>\n        <div class=\"pv-rfq-card\">\n          <h3>PV SPD requirement<\/h3>\n          <p>Required fields are kept short. Company, country and technical details remain optional.<\/p>\n          <form id=\"pv-brief-form\" novalidate>\n            <div class=\"pv-form-grid\">\n              <div class=\"pv-field\"><label for=\"pv-name\">Name *<\/label><input id=\"pv-name\" name=\"brief-name\" type=\"text\" autocomplete=\"name\" required><\/div>\n              <div class=\"pv-field\"><label for=\"pv-email\">Business Email *<\/label><input id=\"pv-email\" name=\"brief-email\" type=\"email\" autocomplete=\"email\" required><\/div>\n              <div class=\"pv-field\"><label for=\"pv-company\">Company<\/label><input id=\"pv-company\" name=\"brief-company\" type=\"text\" autocomplete=\"organization\"><\/div>\n              <div class=\"pv-field\"><label for=\"pv-country\">Country<\/label><input id=\"pv-country\" name=\"brief-country\" type=\"text\" autocomplete=\"country-name\"><\/div>\n              <div class=\"pv-field\"><label for=\"pv-voltage\">PV System Voltage<\/label><select id=\"pv-voltage\" name=\"brief-voltage\"><option value=\"\">Select voltage<\/option><option>600V DC<\/option><option>1000V DC<\/option><option>1200V DC<\/option><option>1500V DC<\/option><option>Not confirmed<\/option><\/select><\/div>\n              <div class=\"pv-field\"><label for=\"pv-quantity\">Estimated Quantity<\/label><select id=\"pv-quantity\" name=\"brief-quantity\"><option value=\"\">Select quantity<\/option><option>Sample \/ Evaluation<\/option><option>Below 50 pcs<\/option><option>50\u2013200 pcs<\/option><option>200\u20131,000 pcs<\/option><option>Above 1,000 pcs<\/option><option>Project BOM<\/option><\/select><\/div>\n              <div class=\"pv-field is-full\"><label for=\"pv-message\">Application \/ Message *<\/label><textarea id=\"pv-message\" name=\"brief-message\" required placeholder=\"Example: 1000V rooftop PV combiner box, Type 1+2, 2-pole, 200 pcs. Please confirm model and documents.\"><\/textarea><\/div>\n              <input id=\"pv-selected-model\" name=\"selected-model\" type=\"hidden\" value=\"PV SPD model selection\">\n              <div class=\"pv-form-submit\">\n                <button class=\"pv-btn pv-btn-primary\" type=\"submit\"><span class=\"w-btn-label\">Send PV SPD Requirement<\/span><\/button>\n                <span class=\"pv-form-note\">Your information is used only to review your product selection and quotation requirement.<\/span>\n              <\/div>\n              <div class=\"pv-form-status\" id=\"pv-form-status\" role=\"status\" aria-live=\"polite\"><\/div>\n            <\/div>\n          <\/form>\n        <\/div>\n      <\/div>\n    <\/section>\n  <\/main>\n\n  <footer class=\"pv-footer\">\n    <div class=\"pv-wrap pv-footer-inner\">\n      <div class=\"pv-footer-brand\"><strong>LEEYEE<\/strong><span>Built to Protect. Trusted to Last.<\/span><\/div>\n      <div class=\"pv-footer-links\">\n        <a href=\"#pv-models\">PV Models<\/a>\n        <a href=\"#pv-testing\">Testing<\/a>\n        <a href=\"https:\/\/www.cnspd.com\/privacy-policy\/\" target=\"_blank\" rel=\"noopener noreferrer\">Privacy Policy<\/a>\n      <\/div>\n      <div class=\"pv-footer-note\">CNSPD is LEEYEE\u2019s surge protection platform for global buyers. 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