{"id":29536,"date":"2026-06-23T14:06:11","date_gmt":"2026-06-23T06:06:11","guid":{"rendered":"https:\/\/www.cnspd.com\/?page_id=29536"},"modified":"2026-06-23T14:13:11","modified_gmt":"2026-06-23T06:13:11","slug":"dc-din-rail-surge-protector-for-solar-pv-systems","status":"publish","type":"page","link":"https:\/\/www.cnspd.com\/it\/dc-din-rail-surge-protector\/","title":{"rendered":"DC DIN Rail Surge Protector for Solar PV 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\"><style>\n  :root {\n    --ly-dc-blue: #004898;\n    --ly-dc-dark: #00356f;\n    --ly-dc-light: #f5f9ff;\n    --ly-dc-soft: #eef6ff;\n    --ly-dc-border: #d9e8f7;\n    --ly-dc-text: 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34px;\n    }\n\n    .ly-dc-hero p {\n      font-size: 16px;\n    }\n\n    .ly-dc-quick {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 10px;\n    }\n\n    .ly-dc-quick-item {\n      padding: 13px;\n    }\n\n    .ly-dc-quick-item strong {\n      font-size: 13px;\n    }\n\n    .ly-dc-quick-item span {\n      font-size: 12px;\n    }\n\n    .ly-dc-id-card,\n    .ly-dc-answer-card,\n    .ly-dc-card,\n    .ly-dc-product-top,\n    .ly-dc-product-body,\n    .ly-dc-check-card {\n      padding: 22px;\n    }\n\n    .ly-dc-btn {\n      width: 100%;\n    }\n\n    .ly-dc-title h2 {\n      font-size: 28px;\n    }\n\n    .ly-dc-blue-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .ly-dc-spec-line {\n      grid-template-columns: 1fr;\n    }\n\n    .ly-dc-spec-line strong {\n      text-align: left;\n    }\n  }\n<\/style>\n\n<div class=\"ly-dc-page\">\n\n  <section class=\"ly-dc-hero\">\n    <div class=\"ly-dc-hero-inner\">\n      <div class=\"ly-dc-hero-grid\">\n        <div>\n          <div class=\"ly-dc-eyebrow\">DC DIN Rail SPD \u00b7 For Solar PV Combiner Boxes and Inverter DC Inputs<\/div>\n          <h1>DC DIN Rail Surge Protector for Solar PV Systems<\/h1>\n          <p>\n            LEEYEE supplies DC DIN rail surge protectors for solar PV strings, combiner boxes,\n            inverter DC inputs and DC distribution cabinets. This page helps buyers choose a PV DC SPD\n            by system voltage, pole configuration, installation location and surge protection requirement.\n          <\/p>\n\n          <div class=\"ly-dc-actions\">\n            <button type=\"button\" class=\"ly-dc-btn ly-dc-btn-primary leeyee-site-popup-btn\" aria-label=\"Request DC SPD Selection\">\n              <span class=\"w-btn-label\">Request DC SPD Selection<\/span>\n            <\/button>\n            <a href=\"\/dc-spd-up-to-1500v\/\" target=\"_blank\" class=\"ly-dc-btn ly-dc-btn-secondary\">View 1500V DC SPD<\/a>\n          <\/div>\n        <\/div>\n\n        <div class=\"ly-dc-id-card\">\n          <div class=\"ly-dc-id-title\">Product Identity<\/div>\n          <div class=\"ly-dc-id-list\">\n            <div class=\"ly-dc-id-row\">\n              <span>Product Type<\/span>\n              <strong>DC DIN Rail SPD<\/strong>\n            <\/div>\n            <div class=\"ly-dc-id-row\">\n              <span>Mounting<\/span>\n              <strong>35 mm DIN Rail<\/strong>\n            <\/div>\n            <div class=\"ly-dc-id-row\">\n              <span>Application<\/span>\n              <strong>Solar PV \/ DC Cabinet<\/strong>\n            <\/div>\n            <div class=\"ly-dc-id-row\">\n              <span>System<\/span>\n              <strong>DC Power \/ PV Strings<\/strong>\n            <\/div>\n            <div class=\"ly-dc-id-row\">\n              <span>Voltage Options<\/span>\n              <strong>600V \/ 1000V \/ 1500V DC<\/strong>\n            <\/div>\n            <div class=\"ly-dc-id-row\">\n              <span>Supplier<\/span>\n              <strong>LEEYEE<\/strong>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"ly-dc-quick\">\n        <div class=\"ly-dc-quick-item\">\n          <strong>For Solar PV<\/strong>\n          <span>PV strings, combiner boxes and inverter DC inputs.<\/span>\n        <\/div>\n        <div class=\"ly-dc-quick-item\">\n          <strong>DC Rated Design<\/strong>\n          <span>Different from AC SPD and selected by Ucpv.<\/span>\n        <\/div>\n        <div class=\"ly-dc-quick-item\">\n          <strong>DIN Rail Mounting<\/strong>\n          <span>Designed for modular PV and DC cabinet layouts.<\/span>\n        <\/div>\n        <div class=\"ly-dc-quick-item\">\n          <strong>OEM Support<\/strong>\n          <span>For solar brands, distributors and panel builders.<\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"ly-dc-section ly-dc-answer\">\n    <div class=\"ly-dc-wrap ly-dc-answer-grid\">\n      <div class=\"ly-dc-answer-card\">\n        <h2>What is a DC DIN rail surge protector?<\/h2>\n        <p>\n          A DC DIN rail surge protector is a surge protective device designed for direct current systems.\n          In solar PV applications, it is commonly installed in PV combiner boxes, DC cabinets or near inverter\n          DC inputs to help limit transient overvoltage on the DC side of the system.\n        <\/p>\n      <\/div>\n\n      <div class=\"ly-dc-answer-list\">\n        <div class=\"ly-dc-answer-item\">\n          <strong>It must be DC rated.<\/strong>\n          <span>AC and DC surge protectors are not interchangeable. PV circuits need SPDs designed for DC voltage and DC fault behavior.<\/span>\n        <\/div>\n        <div class=\"ly-dc-answer-item\">\n          <strong>It is selected by PV system voltage.<\/strong>\n          <span>Common PV SPD voltage options include 600V DC, 1000V DC and 1500V DC, depending on the solar system design.<\/span>\n        <\/div>\n        <div class=\"ly-dc-answer-item\">\n          <strong>It is usually mounted inside PV enclosures.<\/strong>\n          <span>Common locations include combiner boxes, inverter DC input cabinets and DC distribution panels.<\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"ly-dc-section\">\n    <div class=\"ly-dc-wrap\">\n      <div class=\"ly-dc-title\">\n        <div class=\"ly-dc-eyebrow\">Quick Selection<\/div>\n        <h2>How to choose a DC DIN rail SPD for solar PV<\/h2>\n        <p>\n          DC surge protection selection should start with the PV system voltage and installation position.\n          The SPD must match the actual DC circuit, not only the product appearance or kA rating.\n        <\/p>\n      <\/div>\n\n      <div class=\"ly-dc-table-wrap\">\n        <table class=\"ly-dc-table\">\n          <thead>\n            <tr>\n              <th>Selection Point<\/th>\n              <th>What to Check<\/th>\n              <th>Why It Matters<\/th>\n              <th>Buyer Note<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td><strong>PV system voltage<\/strong><\/td>\n              <td>Ucpv \/ maximum continuous operating voltage for PV<\/td>\n              <td>The SPD must safely match the actual DC system voltage.<\/td>\n              <td>Common options include 600V, 1000V and 1500V DC.<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>Installation location<\/strong><\/td>\n              <td>Combiner box, inverter DC input, DC cabinet<\/td>\n              <td>The location affects SPD type, wiring and coordination.<\/td>\n              <td>Use protection near key DC entry points.<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>Poles and wiring<\/strong><\/td>\n              <td>2P, 3P or application-specific DC configuration<\/td>\n              <td>The SPD configuration must match the PV circuit design.<\/td>\n              <td>Confirm positive, negative and earth connection method.<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>Discharge capacity<\/strong><\/td>\n              <td>In and Imax values<\/td>\n              <td>These values describe surge current handling capability.<\/td>\n              <td>Compare complete datasheets, not only one kA number.<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>Protection level<\/strong><\/td>\n              <td>Up value<\/td>\n              <td>Lower voltage protection level can help reduce stress on inverter and DC equipment.<\/td>\n              <td>Check inverter and equipment protection requirements.<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>DC disconnection design<\/strong><\/td>\n              <td>Thermal disconnector, indicator and module structure<\/td>\n              <td>DC arcs behave differently from AC faults, so DC-rated design is important.<\/td>\n              <td>Do not replace DC SPD with ordinary AC SPD.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"ly-dc-section ly-dc-soft\">\n    <div class=\"ly-dc-wrap\">\n      <div class=\"ly-dc-title\">\n        <div class=\"ly-dc-eyebrow\">Applications<\/div>\n        <h2>Where DC DIN rail surge protectors are used<\/h2>\n        <p>\n          DC DIN rail SPDs are mainly used on the DC side of solar PV and other DC power systems,\n          where transient overvoltage can affect inverters, strings, monitoring equipment and DC cabinets.\n        <\/p>\n      <\/div>\n\n      <div class=\"ly-dc-grid-3\">\n        <div class=\"ly-dc-card\">\n          <div class=\"ly-dc-badge\">PV Combiner Box<\/div>\n          <h3>Solar string and combiner protection<\/h3>\n          <p>\n            Installed inside PV combiner boxes to help protect DC circuits before they reach the inverter or DC cabinet.\n          <\/p>\n        <\/div>\n\n        <div class=\"ly-dc-card\">\n          <div class=\"ly-dc-badge\">Inverter DC Input<\/div>\n          <h3>Protection near inverter DC side<\/h3>\n          <p>\n            Used near inverter DC inputs to help reduce surge stress on solar inverters and related DC-side equipment.\n          <\/p>\n        <\/div>\n\n        <div class=\"ly-dc-card\">\n          <div class=\"ly-dc-badge\">DC Cabinet<\/div>\n          <h3>DC distribution and OEM cabinets<\/h3>\n          <p>\n            Suitable for DC cabinets, solar power boxes and OEM PV assemblies that require DIN rail mounted protection.\n          <\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"ly-dc-section\">\n    <div class=\"ly-dc-wrap\">\n      <div class=\"ly-dc-title\">\n        <div class=\"ly-dc-eyebrow\">LEEYEE Product Options<\/div>\n        <h2>DC DIN rail SPD options for PV systems<\/h2>\n        <p>\n          LEEYEE supports DC DIN rail surge protective devices for different solar PV voltage levels.\n          Final selection should be based on system voltage, installation location and project requirements.\n        <\/p>\n      <\/div>\n\n      <div class=\"ly-dc-product-grid\">\n        <div class=\"ly-dc-product\">\n          <div class=\"ly-dc-product-top\">\n            <h3>600V DC DIN Rail SPD<\/h3>\n            <p>\n              For lower-voltage PV systems, small solar installations and DC cabinets requiring DIN rail protection.\n            <\/p>\n          <\/div>\n          <div class=\"ly-dc-product-body\">\n            <div class=\"ly-dc-spec-list\">\n              <div class=\"ly-dc-spec-line\">\n                <span>System<\/span>\n                <strong>Solar PV DC<\/strong>\n              <\/div>\n              <div class=\"ly-dc-spec-line\">\n                <span>Voltage<\/span>\n                <strong>600V DC Option<\/strong>\n              <\/div>\n              <div class=\"ly-dc-spec-line\">\n                <span>Mounting<\/span>\n                <strong>35 mm DIN Rail<\/strong>\n              <\/div>\n              <div class=\"ly-dc-spec-line\">\n                <span>Application<\/span>\n                <strong>PV Box \/ DC Cabinet<\/strong>\n              <\/div>\n            <\/div>\n\n            <div class=\"ly-dc-small-actions\">\n              <button type=\"button\" class=\"ly-dc-small-btn ly-dc-small-primary leeyee-site-popup-btn\" aria-label=\"Request 600V DC SPD\">\n                <span class=\"w-btn-label\">Request 600V DC SPD<\/span>\n              <\/button>\n            <\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"ly-dc-product\">\n          <div class=\"ly-dc-product-top\">\n            <h3>1000V DC DIN Rail SPD<\/h3>\n            <p>\n              For common solar PV systems requiring DC-side surge protection in combiner boxes or inverter inputs.\n            <\/p>\n          <\/div>\n          <div class=\"ly-dc-product-body\">\n            <div class=\"ly-dc-spec-list\">\n              <div class=\"ly-dc-spec-line\">\n                <span>System<\/span>\n                <strong>Solar PV DC<\/strong>\n              <\/div>\n              <div class=\"ly-dc-spec-line\">\n                <span>Voltage<\/span>\n                <strong>1000V DC Option<\/strong>\n              <\/div>\n              <div class=\"ly-dc-spec-line\">\n                <span>Mounting<\/span>\n                <strong>35 mm DIN Rail<\/strong>\n              <\/div>\n              <div class=\"ly-dc-spec-line\">\n                <span>Application<\/span>\n                <strong>PV Combiner \/ Inverter DC<\/strong>\n              <\/div>\n            <\/div>\n\n            <div class=\"ly-dc-small-actions\">\n              <button type=\"button\" class=\"ly-dc-small-btn ly-dc-small-primary leeyee-site-popup-btn\" aria-label=\"Request 1000V DC SPD\">\n                <span class=\"w-btn-label\">Request 1000V DC SPD<\/span>\n              <\/button>\n            <\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"ly-dc-product\">\n          <div class=\"ly-dc-product-top\">\n            <h3>1500V DC DIN Rail SPD<\/h3>\n            <p>\n              For high-voltage solar PV systems and utility-scale PV applications requiring up to 1500V DC protection.\n            <\/p>\n          <\/div>\n          <div class=\"ly-dc-product-body\">\n            <div class=\"ly-dc-spec-list\">\n              <div class=\"ly-dc-spec-line\">\n                <span>System<\/span>\n                <strong>High-Voltage PV DC<\/strong>\n              <\/div>\n              <div class=\"ly-dc-spec-line\">\n                <span>Voltage<\/span>\n                <strong>1500V DC Option<\/strong>\n              <\/div>\n              <div class=\"ly-dc-spec-line\">\n                <span>Mounting<\/span>\n                <strong>35 mm DIN Rail<\/strong>\n              <\/div>\n              <div class=\"ly-dc-spec-line\">\n                <span>Application<\/span>\n                <strong>PV Combiner \/ Utility PV<\/strong>\n              <\/div>\n            <\/div>\n\n            <div class=\"ly-dc-small-actions\">\n              <a href=\"\/dc-spd-up-to-1500v\/\" target=\"_blank\" class=\"ly-dc-small-btn ly-dc-small-primary\">View 1500V DC SPD<\/a>\n              <button type=\"button\" class=\"ly-dc-small-btn ly-dc-small-secondary leeyee-site-popup-btn\" aria-label=\"Request Quote\">\n                <span class=\"w-btn-label\">Request Quote<\/span>\n              <\/button>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"ly-dc-section ly-dc-blue\">\n    <div class=\"ly-dc-wrap\">\n      <div class=\"ly-dc-title\">\n        <div class=\"ly-dc-eyebrow\">Why LEEYEE<\/div>\n        <h2>Built for solar PV surge protection supply<\/h2>\n        <p>\n          LEEYEE is a specialized surge protection and low-voltage protection supplier, trusted for solar PV,\n          power distribution, telecom, industrial, and OEM applications.\n        <\/p>\n      <\/div>\n\n      <div class=\"ly-dc-blue-grid\">\n        <div class=\"ly-dc-blue-card\">\n          <strong>PV DC SPD Range<\/strong>\n          <span>Support for 600V, 1000V and 1500V solar PV surge protection applications.<\/span>\n        <\/div>\n        <div class=\"ly-dc-blue-card\">\n          <strong>DIN Rail Integration<\/strong>\n          <span>Suitable for PV combiner boxes, inverter DC inputs and DC cabinet layouts.<\/span>\n        <\/div>\n        <div class=\"ly-dc-blue-card\">\n          <strong>OEM Cooperation<\/strong>\n          <span>Private label, packaging and project-based supply communication.<\/span>\n        <\/div>\n        <div class=\"ly-dc-blue-card\">\n          <strong>Solar Selection Support<\/strong>\n          <span>Help buyers match voltage, pole configuration and installation position.<\/span>\n        <\/div>\n      <\/div>\n\n      <p style=\"margin:28px 0 0; color:rgba(255,255,255,0.82); font-size:15px; line-height:1.7; max-width:850px;\">\n        CNSPD is LEEYEE\u2019s surge protection-focused brand platform, built to help global buyers source reliable SPDs\n        and related low-voltage protection products.\n      <\/p>\n    <\/div>\n  <\/section>\n\n  <section class=\"ly-dc-section\">\n    <div class=\"ly-dc-wrap\">\n      <div class=\"ly-dc-title\">\n        <div class=\"ly-dc-eyebrow\">Installation Notes<\/div>\n        <h2>DC SPD installation details to confirm before ordering<\/h2>\n        <p>\n          DC surge protectors should be selected and installed according to the actual PV system voltage,\n          wiring design, earthing method and manufacturer datasheet.\n        <\/p>\n      <\/div>\n\n      <div class=\"ly-dc-check-grid\">\n        <div class=\"ly-dc-check-card\">\n          <h3>Check before selection<\/h3>\n          <ul>\n            <li>PV system maximum DC voltage.<\/li>\n            <li>Required Ucpv rating of the DC SPD.<\/li>\n            <li>Combiner box, inverter input or DC cabinet installation point.<\/li>\n            <li>Positive, negative and earth connection method.<\/li>\n            <li>Required In, Imax and Up values.<\/li>\n            <li>Available DIN rail space and enclosure layout.<\/li>\n          <\/ul>\n        <\/div>\n\n        <div class=\"ly-dc-check-card\">\n          <h3>Avoid these mistakes<\/h3>\n          <ul>\n            <li>Using an AC SPD on a DC solar circuit.<\/li>\n            <li>Choosing by nominal voltage without checking Ucpv.<\/li>\n            <li>Ignoring polarity and DC wiring structure.<\/li>\n            <li>Installing with long and messy connection leads.<\/li>\n            <li>Replacing models without checking datasheets.<\/li>\n            <li>Using a low-voltage DC SPD on a 1000V or 1500V PV system.<\/li>\n          <\/ul>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"ly-dc-section ly-dc-soft\">\n    <div class=\"ly-dc-wrap\">\n      <div class=\"ly-dc-title\">\n        <div class=\"ly-dc-eyebrow\">Related Pages<\/div>\n        <h2>Continue your SPD selection<\/h2>\n        <p>\n          Choose the related page that better matches your system type or installation point.\n        <\/p>\n      <\/div>\n\n      <div class=\"ly-dc-grid-3\">\n        <div class=\"ly-dc-card\">\n          <div class=\"ly-dc-badge\">General Guide<\/div>\n          <h3>DIN Rail Surge Protector<\/h3>\n          <p>\n            Start here if you need to compare AC, DC, Type 2 and Type 1+2 DIN rail surge protectors.\n          <\/p>\n          <div style=\"margin-top:18px;\">\n            <a href=\"\/din-rail-surge-protector\/\" target=\"_blank\" class=\"ly-dc-small-btn ly-dc-small-secondary\">Compare DIN Rail SPD Types<\/a>\n          <\/div>\n        <\/div>\n\n        <div class=\"ly-dc-card\">\n          <div class=\"ly-dc-badge\">AC Panels<\/div>\n          <h3>Type 2 DIN Rail Surge Protector<\/h3>\n          <p>\n            For AC distribution boards, sub-panels, control cabinets and OEM electrical assemblies.\n          <\/p>\n          <div style=\"margin-top:18px;\">\n            <a href=\"\/type-2-din-rail-surge-protector\/\" target=\"_blank\" class=\"ly-dc-small-btn ly-dc-small-secondary\">View Type 2 DIN Rail SPD<\/a>\n          <\/div>\n        <\/div>\n\n        <div class=\"ly-dc-card\">\n          <div class=\"ly-dc-badge\">High Voltage PV<\/div>\n          <h3>1500V DC SPD<\/h3>\n          <p>\n            For high-voltage solar PV systems requiring DC surge protection up to 1500V.\n          <\/p>\n          <div style=\"margin-top:18px;\">\n            <a href=\"\/dc-spd-up-to-1500v\/\" target=\"_blank\" class=\"ly-dc-small-btn ly-dc-small-secondary\">View 1500V DC SPD<\/a>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"ly-dc-section\">\n    <div class=\"ly-dc-wrap\">\n      <div class=\"ly-dc-title\">\n        <div class=\"ly-dc-eyebrow\">FAQ<\/div>\n        <h2>DC DIN rail surge protector FAQs<\/h2>\n      <\/div>\n\n      <div class=\"ly-dc-faq\">\n        <div class=\"ly-dc-faq-item\">\n          <h3>What is a DC DIN rail surge protector used for?<\/h3>\n          <p>\n            It is used to protect DC circuits from transient overvoltage. In solar PV systems,\n            it is commonly installed in PV combiner boxes, inverter DC inputs and DC cabinets.\n          <\/p>\n        <\/div>\n\n        <div class=\"ly-dc-faq-item\">\n          <h3>Can I use an AC surge protector for a DC solar system?<\/h3>\n          <p>\n            No. AC and DC surge protectors are not interchangeable. Solar PV circuits require DC-rated SPDs\n            with suitable Ucpv, polarity and DC disconnection design.\n          <\/p>\n        <\/div>\n\n        <div class=\"ly-dc-faq-item\">\n          <h3>Which voltage should I choose: 600V, 1000V or 1500V DC?<\/h3>\n          <p>\n            Choose according to the maximum DC voltage of the PV system. The SPD voltage rating must match\n            the actual system design and the manufacturer datasheet.\n          <\/p>\n        <\/div>\n\n        <div class=\"ly-dc-faq-item\">\n          <h3>Where should a DC SPD be installed in a solar PV system?<\/h3>\n          <p>\n            Common installation points include PV combiner boxes, inverter DC inputs and DC distribution cabinets.\n            The final location should follow the system design and local electrical requirements.\n          <\/p>\n        <\/div>\n\n        <div class=\"ly-dc-faq-item\">\n          <h3>Does LEEYEE support OEM DC DIN rail surge protectors?<\/h3>\n          <p>\n            Yes. LEEYEE supports OEM DC SPD projects for solar brands, distributors, panel builders and PV system suppliers.\n          <\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"ly-dc-section ly-dc-cta\">\n    <div class=\"ly-dc-wrap\">\n      <h2>Need a DC DIN rail SPD for your solar PV project?<\/h2>\n      <p>\n        Send us your PV system voltage, installation point, wiring design and quantity.\n        LEEYEE will help you match the suitable DC DIN rail surge protector for your combiner box, inverter input or DC cabinet.\n      <\/p>\n      <button type=\"button\" class=\"ly-dc-btn ly-dc-btn-primary leeyee-site-popup-btn\" aria-label=\"Request DC SPD Selection\">\n        <span class=\"w-btn-label\">Request DC SPD Selection<\/span>\n      <\/button>\n    <\/div>\n  <\/section>\n\n<\/div>\n\n<script>\n  document.addEventListener('DOMContentLoaded', function () {\n    var aboutPopupButtons = document.querySelectorAll('.leeyee-site-popup-btn');\n\n    aboutPopupButtons.forEach(function (button) {\n      button.addEventListener('click', function () {\n        var realPopupTrigger = document.querySelector('.w-popup.ush_popup_1 .w-popup-trigger');\n\n        if (realPopupTrigger) {\n          realPopupTrigger.click();\n        } else {\n          window.open('https:\/\/www.cnspd.com\/contact\/', '_blank', 'noopener');\n        }\n      });\n    });\n  });\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is a DC DIN rail surge protector used for?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"It is used to protect DC circuits from transient overvoltage. 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This page helps buyers choose a PV DC SPD by system voltage,...","protected":false},"author":18,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-29536","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DC DIN Rail Surge Protector for Solar PV | LEEYEE SPD Manufacturer<\/title>\n<meta name=\"description\" content=\"Choose DC DIN rail surge protectors for solar PV combiner boxes, inverter DC inputs and 600V, 1000V, 1500V systems. 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