{"id":1186,"date":"2025-08-19T09:49:23","date_gmt":"2025-08-19T09:49:23","guid":{"rendered":"https:\/\/sinobreaker.com\/?post_type=product&#038;p=1186"},"modified":"2025-08-20T08:22:30","modified_gmt":"2025-08-20T08:22:30","slug":"dc-surge-protective-device","status":"publish","type":"product","link":"https:\/\/sinobreaker.com\/it\/products\/dc-surge-protective-device\/","title":{"rendered":"Dispositivo di protezione dalle sovratensioni DC per PV (48V-1000V) | SPD DC In 20kA \/ Imax 40kA"},"content":{"rendered":"<section class=\"c40-spd-page\"><!-- DC SPD \u2014 C40 Series (48V \/ 220V \/ 500V \/ 600V \/ 1000V) Notes: 1) This block avoids oversized headings (h1). We use h2\/h3 only. 2) Two drawing images are side-by-side; replace the placeholder src with your real image URLs. 3) Keep one focus keyword in Rank Math; see settings after this block. --> <\/p>\n<style>\n    .c40-spd-page{<br \/>      --ink:#0f172a;--muted:#475569;--brand:#0b66c3;--line:#e6eaf0;--soft:#f8fafc;--bg:#ffffff;<br \/>      --fz-body:16px;--fz-h2:22px;--fz-h3:18px;--fz-table:15px;--fz-small:13px;<br \/>      font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)<br \/>    }<br \/>    .c40-spd-page .container{max-width:1080px;margin:0 auto;padding:24px 20px}<br \/>    .c40-spd-page h2{font-size:var(--fz-h2);font-weight:800;line-height:1.28;margin:14px 0 8px}<br \/>    .c40-spd-page h3{font-size:var(--fz-h3);font-weight:800;line-height:1.32;margin:14px 0 8px}<br \/>    .c40-spd-page p,.c40-spd-page li{font-size:var(--fz-body);line-height:1.75;color:var(--muted)}<br \/>    .c40-spd-page ul{margin:6px 0 14px 18px}<br \/>    .card{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:14px 16px}<br \/>    .note{font-size:var(--fz-small);color:#64748b;margin-top:8px}<\/p>\n<p>    \/* table *\/<br \/>    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}<br \/>    .spec-table{border-collapse:collapse;width:100%;min-width:920px;font-size:var(--fz-table)}<br \/>    .spec-table th,.spec-table td{border-bottom:1px solid var(--line);padding:12px 12px;text-align:center;line-height:1.6}<br \/>    .spec-table thead th{background:#f5f7fa;font-weight:700}<br \/>    .spec-table tbody tr:hover{background:#fafcff}<\/p>\n<p>    \/* drawings (two images side-by-side) *\/<br \/>    .drawings{display:flex;gap:16px;flex-wrap:wrap}<br \/>    .drawings .box{flex:1 1 360px}<br \/>    .imgph{<br \/>      display:flex;align-items:center;justify-content:center;<br \/>      height:260px;border:2px dashed var(--line);border-radius:12px;background:#fafbfc;color:#98a2b3<br \/>    }<br \/>    .imgwrap img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);background:#fff}<\/p>\n<p>    \/* mobile cards for table *\/<br \/>    @media(max-width:560px){<br \/>      .spec-table,.spec-table thead,.spec-table tbody,.spec-table th,.spec-table td,.spec-table tr{display:block;width:100%}<br \/>      .spec-table thead{display:none}<br \/>      .spec-table tr{border:1px solid var(--line);border-radius:10px;margin:10px 0;padding:6px 0}<br \/>      .spec-table td{display:flex;justify-content:space-between;gap:12px;border:none;border-bottom:1px dashed var(--line);padding:10px 12px}<br \/>      .spec-table td:last-child{border-bottom:none}<br \/>      .spec-table td::before{content:attr(data-th);font-weight:700;color:#132a3a;flex:0 0 52%;text-align:left}<br \/>      .spec-table td>*{text-align:right}<br \/>    }<\/p>\n<p>    \/* collapsible FAQ *\/<br \/>    .faq details{border:1px solid var(--line);border-radius:10px;background:#fff;margin:10px 0}<br \/>    .faq summary{cursor:pointer;padding:12px 14px;font-weight:700;color:#132a3a;list-style:none}<br \/>    .faq summary::-webkit-details-marker{display:none}<br \/>    .faq details[open] summary{border-bottom:1px solid var(--line)}<br \/>    .faq details > div{padding:12px 14px;color:var(--muted);font-size:var(--fz-body);line-height:1.75}<br \/>  <\/style>\n<div class=\"container\">\n<p><!-- Intro (smaller heading) --><\/p>\n<h3>DC Surge Protective Device (DC SPD) \u2014 C40 Series (48V \/ 220V \/ 500V \/ 600V \/ 1000V)<\/h3>\n<p>The C40 series <strong>DC surge protective device (SPD)<\/strong> is engineered for photovoltaic DC buses and other DC networks. It uses <strong>parallel installation<\/strong> to provide reliable surge suppression without affecting normal system operation.<\/p>\n<h4>Key Features<\/h4>\n<div class=\"card\">\n<ul>\n<li>Wide clearance &amp; creepage distance; withstands high voltage; suitable for high-altitude areas.<\/li>\n<li><strong>Pluggable modular<\/strong> cartridge; standard <strong>35mm DIN-rail<\/strong> mounting.<\/li>\n<li>High-quality lightning-proof components for stable performance.<\/li>\n<li>Hot-melt + over-current <strong>dual protection<\/strong> circuit.<\/li>\n<li>Status window: <em>green<\/em> = normal, <em>red<\/em> = replacement required.<\/li>\n<li>Low residual voltage, <strong>fast response &lt;25ns<\/strong>, strong discharge capability.<\/li>\n<li>Optional <strong>remote signaling contact<\/strong> for SCADA\/BMS.<\/li>\n<\/ul>\n<\/div>\n<h4><\/h4>\n<h4>Main Technical Parameters \u2014 C40 Series<\/h4>\n<div class=\"table-wrap\">\n<table class=\"spec-table\">\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Max Continuous Operating Voltage<br \/>\nUc (DC)<\/th>\n<th>Nominal Discharge Current<br \/>\nI<sub>n<\/sub> (8\/20 \u03bcs)<\/th>\n<th>Max Discharge Current<br \/>\nI<sub>max<\/sub> (8\/20 \u03bcs)<\/th>\n<th>Voltage Protection Level<br \/>\nUp<\/th>\n<th>Response Time<\/th>\n<th>Operating Environment<\/th>\n<th>Cross Section of L\/N<\/th>\n<th>Protection Class<\/th>\n<th>Outline Size (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr id=\"C40-48\">\n<td data-th=\"Model\"><strong>C40-48<\/strong><\/td>\n<td data-th=\"Uc (DC)\">48V DC<\/td>\n<td data-th=\"In\">20 kA<\/td>\n<td data-th=\"Imax\">40 kA<\/td>\n<td data-th=\"Up\">~ 350 V<\/td>\n<td data-th=\"Response\">&lt;25 ns<\/td>\n<td data-th=\"Environment\">\u221240 \u00b0C ~ +80 \u00b0C<\/td>\n<td data-th=\"L\/N\">\u2265 10 mm\u00b2<\/td>\n<td data-th=\"IP\">IP20<\/td>\n<td data-th=\"Size\">36 \u00d7 66 \u00d7 90<\/td>\n<\/tr>\n<tr id=\"C40-220\">\n<td data-th=\"Model\"><strong>C40-220<\/strong><\/td>\n<td data-th=\"Uc (DC)\">220V DC<\/td>\n<td data-th=\"In\">20 kA<\/td>\n<td data-th=\"Imax\">40 kA<\/td>\n<td data-th=\"Up\">~ 1.8 kV<\/td>\n<td data-th=\"Response\">&lt;25 ns<\/td>\n<td data-th=\"Environment\">\u221240 \u00b0C ~ +80 \u00b0C<\/td>\n<td data-th=\"L\/N\">\u2265 10 mm\u00b2<\/td>\n<td data-th=\"IP\">IP20<\/td>\n<td data-th=\"Size\">36 \u00d7 66 \u00d7 90<\/td>\n<\/tr>\n<tr id=\"C40-500\">\n<td data-th=\"Model\"><strong>C40-500<\/strong><\/td>\n<td data-th=\"Uc (DC)\">500V DC<\/td>\n<td data-th=\"In\">20 kA<\/td>\n<td data-th=\"Imax\">40 kA<\/td>\n<td data-th=\"Up\">~ 2.5 kV<\/td>\n<td data-th=\"Response\">&lt;25 ns<\/td>\n<td data-th=\"Environment\">\u221240 \u00b0C ~ +80 \u00b0C<\/td>\n<td data-th=\"L\/N\">\u2265 10 mm\u00b2<\/td>\n<td data-th=\"IP\">IP20<\/td>\n<td data-th=\"Size\">36 \u00d7 66 \u00d7 90<\/td>\n<\/tr>\n<tr id=\"C40-600\">\n<td data-th=\"Model\"><strong>C40-600<\/strong><\/td>\n<td data-th=\"Uc (DC)\">600V DC<\/td>\n<td data-th=\"In\">20 kA<\/td>\n<td data-th=\"Imax\">40 kA<\/td>\n<td data-th=\"Up\">~ 2.8 kV<\/td>\n<td data-th=\"Response\">&lt;25 ns<\/td>\n<td data-th=\"Environment\">\u221240 \u00b0C ~ +80 \u00b0C<\/td>\n<td data-th=\"L\/N\">\u2265 10 mm\u00b2<\/td>\n<td data-th=\"IP\">IP20<\/td>\n<td data-th=\"Size\">36 \u00d7 66 \u00d7 90<\/td>\n<\/tr>\n<tr id=\"C40-1000\">\n<td data-th=\"Model\"><strong>C40-1000<\/strong><\/td>\n<td data-th=\"Uc (DC)\">1000V DC<\/td>\n<td data-th=\"In\">20 kA<\/td>\n<td data-th=\"Imax\">40 kA<\/td>\n<td data-th=\"Up\">~ 3.5 kV<\/td>\n<td data-th=\"Response\">&lt;25 ns<\/td>\n<td data-th=\"Environment\">\u221240 \u00b0C ~ +80 \u00b0C<\/td>\n<td data-th=\"L\/N\">\u2265 10 mm\u00b2<\/td>\n<td data-th=\"IP\">IP20<\/td>\n<td data-th=\"Size\">54 \u00d7 66 \u00d7 90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"note\"><strong>Notes:<\/strong> Values follow the supplied datasheet. Update cells if your latest engineering data differs.<\/p>\n<h4>Drawings<\/h4>\n<div class=\"drawings\">\n<div class=\"box\">\n<h4 style=\"margin: 0 0 6px; font-size: 16px; font-weight: bold;\">Dimension<\/h4>\n<p><!-- Replace the placeholder below with your real dimension image. Example path: \/wp-content\/uploads\/2025\/08\/dc-spd-c40-dimension.png --><\/p>\n<div class=\"imgwrap\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/sinobreaker.com\/wp-content\/uploads\/2025\/08\/DC-SPD-dimension.png\" alt=\"DC SPD C40 series dimension drawing\" width=\"563\" height=\"283\" \/><\/div>\n<p><!-- If you do not have the image yet, keep a visual placeholder: --><br \/>\n<!--\n\n\n<div class=\"imgph\">Dimension Placeholder<\/div>\n\n\n--><\/p>\n<\/div>\n<div class=\"box\">\n<h4 style=\"margin: 0 0 6px; font-size: 16px; font-weight: bold;\">Wiring Diagram (Parallel)<\/h4>\n<p><!-- Replace the placeholder below with your real wiring diagram image. Example path: \/wp-content\/uploads\/2025\/08\/dc-spd-c40-wiring-parallel.png --><\/p>\n<div class=\"imgwrap\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/sinobreaker.com\/wp-content\/uploads\/2025\/08\/DC-SPD-WIRING.png\" alt=\"DC SPD C40 series wiring diagram (parallel connection)\" width=\"535\" height=\"346\" \/><\/div>\n<p><!-- If you do not have the image yet, keep a visual placeholder: --><br \/>\n<!--\n\n\n<div class=\"imgph\">Wiring Diagram Placeholder<\/div>\n\n\n--><\/p>\n<\/div>\n<\/div>\n<h4>FAQ<\/h4>\n<div class=\"faq\">\n<details>\n<summary>Which systems is the C40 series designed for?<\/summary>\n<div>Photovoltaic DC buses and other DC networks from <strong>48V to 1000V<\/strong>. Select the model by matching Uc.<\/div>\n<\/details>\n<details>\n<summary>How do I choose among C40-48 \/ 220 \/ 500 \/ 600 \/ 1000?<\/summary>\n<div>Choose by the <strong>max continuous voltage Uc<\/strong> of your DC bus, then verify surge ratings (<em>In\/Imax<\/em>) and target a low <em>Up<\/em>.<\/div>\n<\/details>\n<details>\n<summary>Where should the SPD be installed?<\/summary>\n<div>Install at the DC combiner\/distribution panel with <strong>parallel wiring<\/strong>, short leads, and a reliable PE bar. Follow the diagram.<\/div>\n<\/details>\n<details>\n<summary>Is the module replaceable and is remote signaling available?<\/summary>\n<div>Yes. The cartridge is <strong>pluggable<\/strong> for quick replacement; an optional alarm contact can be wired to <strong>SCADA\/BMS<\/strong>.<\/div>\n<\/details>\n<details>\n<summary>What environmental and wiring requirements apply?<\/summary>\n<div>Operating temperature <strong>\u221240\u00b0C ~ +80\u00b0C<\/strong>, cross-section of L\/N <strong>\u226510mm\u00b2<\/strong>, enclosure <strong>IP20<\/strong>.<\/div>\n<\/details>\n<details>\n<summary>How should surge protection be coordinated?<\/summary>\n<div>Coordinate with upstream over-current protection (e.g., DC fuse\/breaker) and inverter limits to ensure selectivity and safety.<\/div>\n<\/details>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<div class=\"short-desc\" style=\"font-size: 16px; line-height: 1.6; color: #222;\">\n<ul style=\"list-style: none; padding: 0; margin: 0;\">\n<li>\u2714 Type 2 DC surge protector (PV system up to 1000 VDC)<\/li>\n<li>\u2714 Discharge capacity: In 20 kA, Imax 40 kA (8\/20 \u00b5s)<\/li>\n<li>\u2714 Fast response &lt;25 ns, low residual voltage<\/li>\n<li>\u2714 Pluggable cartridge, DIN-rail mount, thermal disconnector<\/li>\n<li>\u2714 Optional remote alarm contacts<\/li>\n<li>\u2714 Standard: <a href=\"https:\/\/webstore.iec.ch\/publication\/24963\" target=\"_blank\" rel=\"dofollow noopener\">IEC 61643-31<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"featured_media":1187,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[27],"product_tag":[],"class_list":{"0":"post-1186","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-dc-spd","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/sinobreaker.com\/it\/wp-json\/wp\/v2\/product\/1186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinobreaker.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sinobreaker.com\/it\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/it\/wp-json\/wp\/v2\/comments?post=1186"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/it\/wp-json\/wp\/v2\/media\/1187"}],"wp:attachment":[{"href":"https:\/\/sinobreaker.com\/it\/wp-json\/wp\/v2\/media?parent=1186"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sinobreaker.com\/it\/wp-json\/wp\/v2\/product_brand?post=1186"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sinobreaker.com\/it\/wp-json\/wp\/v2\/product_cat?post=1186"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sinobreaker.com\/it\/wp-json\/wp\/v2\/product_tag?post=1186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}