{"id":979,"date":"2025-09-02T08:05:41","date_gmt":"2025-09-02T08:05:41","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=979"},"modified":"2025-09-14T06:40:46","modified_gmt":"2025-09-14T06:40:46","slug":"dc-spd-1000vdc","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/ar\/product\/dc-spd-1000vdc\/","title":{"rendered":"KY-40\/G1000 DC Surge Protective Device (Type 2, 1000V)"},"content":{"rendered":"<section id=\"overview\">\n<h2>\u0644\u0645\u062d\u0629 \u0639\u0627\u0645\u0629<\/h2>\n<p>\u0625\u0646 <strong>1000v dc spd<\/strong> KY-40\/G1000 is a <strong>Type 2 surge protective device<\/strong> tailored for<br \/>\n<a href=\"\/ar\/pv-combiner-box\/\">\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/a> and inverter DC inputs in <strong>1000VDC solar arrays<\/strong>.<br \/>\nCompared with 600V models, it supports higher system voltage, making it the standard choice for modern commercial and<br \/>\nindustrial PV plants. Fully compliant with<br \/>\n<a href=\"https:\/\/webstore.iec.ch\/publication\/26146\" target=\"_blank\" rel=\"noopener\">IEC 61643-31<\/a>, CE, UKCA, and RoHS.<\/p>\n<\/section>\n<section id=\"key-features\">\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li><strong>1000v dc spd<\/strong> Type 2 device for higher-voltage PV systems, inverter inputs, and combiner boxes.<\/li>\n<li>High discharge capacity for medium- to large-scale PV plants.<\/li>\n<li>Replaceable modules with visible indicator for quick inspection.<\/li>\n<li>Optional remote alarm contacts (NO\/NC), as specified in the datasheet.<\/li>\n<li>Compact DIN-rail design suitable for <a href=\"\/ar\/dc-spd\/\">photovoltaic surge protection systems<\/a>.<\/li>\n<\/ul>\n<\/section>\n<section id=\"specs\">\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/h2>\n<table class=\"ky-spec\">\n<tbody>\n<tr>\n<th>\u0627\u0644\u0646\u0648\u0639<\/th>\n<td>Type 2 (T2)<\/td>\n<\/tr>\n<tr>\n<th>System Voltage (U<sub>cpv<\/sub>)<\/th>\n<td>1000 V DC<\/td>\n<\/tr>\n<tr>\n<th>Nominal Discharge Current (I<sub>n<\/sub>)<\/th>\n<td>20 \u0643\u064a\u0644\u0648 \u0623\u0645\u0628\u064a\u0631<\/td>\n<\/tr>\n<tr>\n<th>Maximum Discharge Current (I<sub>max<\/sub>)<\/th>\n<td>40 \u0643\u064a\u0644\u0648 \u0623\u0645\u0628\u064a\u0631<\/td>\n<\/tr>\n<tr>\n<th>Voltage Protection Level (U<sub>p<\/sub>)<\/th>\n<td>\u2264 4.0 kV<\/td>\n<\/tr>\n<tr>\n<th>Response Time (t<sub>a<\/sub>)<\/th>\n<td>&lt; 25 \u0646\u0627\u0646\u0648 \u062b\u0627\u0646\u064a\u0629<\/td>\n<\/tr>\n<tr>\n<th>PV Short-Circuit Withstand (I<sub>scpv<\/sub>)<\/th>\n<td>20 \u0643\u064a\u0644\u0648 \u0623\u0645\u0628\u064a\u0631<\/td>\n<\/tr>\n<tr>\n<th>Protection Mode \/ Topology<\/th>\n<td>U Type<\/td>\n<\/tr>\n<tr>\n<th>Alarm Contact (optional)<\/th>\n<td>220V, 0.5A, NO\/NC<\/td>\n<\/tr>\n<tr>\n<th>Recommended Upstream Fuse<\/th>\n<td>LS7-50k (per datasheet)<\/td>\n<\/tr>\n<tr>\n<th>Wiring \/ Terminals<\/th>\n<td>6\u201335 mm\u00b2 screw terminals<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/th>\n<td>\u0633\u0643\u0629 DIN 35 \u0645\u0645<\/td>\n<\/tr>\n<tr>\n<th>Enclosure \/ Flammability<\/th>\n<td>Plastic housing, UL94-V0<\/td>\n<\/tr>\n<tr>\n<th>Operating Conditions<\/th>\n<td>-40\u2103 ~ +70\u2103; \u226495% RH<\/td>\n<\/tr>\n<tr>\n<th>Dimensions (W\u00d7H\u00d7D)<\/th>\n<td>36 \u00d7 83 \u00d7 67 mm<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0648\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644<\/th>\n<td>IEC 61643-31:2018, GB\/T 18802.31, CE, UKCA, RoHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"diagram\">\n<h2>Wiring &amp; Dimension<\/h2>\n<figure><img decoding=\"async\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KY-15T-T1T2-Wiring-Diagram.webp\" alt=\"Wiring diagram of 1000v dc spd KY-40\/G1000 Type 2 surge protective device for photovoltaic systems\" \/><figcaption>Shared wiring diagram for KY T2 series (600V\/1000V\/1500V\/2000V).<\/figcaption><\/figure>\n<figure><img decoding=\"async\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KY-15T-T1T2-Dimension.webp\" alt=\"Dimension drawing of 1000v dc spd KY-40\/G1000 Type 2 surge protective device for PV combiner box protection\" \/><figcaption>Shared dimension drawing for KY T2 series.<\/figcaption><\/figure>\n<\/section>\n<section id=\"applications\">\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Commercial rooftop PV systems using 1000VDC strings and inverters.<\/li>\n<li>Industrial PV plants requiring stable Type 2 surge protection.<\/li>\n<li>Medium-scale ground-mounted solar farms designed with 1000V arrays.<\/li>\n<\/ul>\n<\/section>\n<section id=\"faq\">\n<h2>FAQs<\/h2>\n<h3>Q1. Why choose a <em>1000v dc spd<\/em> Type 2 instead of a 600V model?<\/h3>\n<p>The KY-40\/G1000 is suitable for higher voltage PV systems (1000VDC) common in commercial and industrial solar projects.<\/p>\n<h3>Q2. Can KY-40\/G1000 protect inverter DC terminals?<\/h3>\n<p>Yes. It is designed for direct installation on inverter DC inputs rated up to 1000VDC.<\/p>\n<h3>Q3. Does KY-40\/G1000 include replaceable cartridges?<\/h3>\n<p>Yes. The modular design allows quick replacement and status monitoring via visual indicator.<\/p>\n<h3>Q4. Which standards does KY-40\/G1000 comply with?<\/h3>\n<p>IEC 61643-31, GB\/T 18802.31, CE, UKCA, and RoHS certifications are covered.<\/p>\n<\/section>\n<section id=\"cta\"><a class=\"btn\" href=\"\/ar\/contact-us\/\">Request a Quote for 1000v dc spd KY-40\/G1000<\/a><\/section>","protected":false},"excerpt":{"rendered":"<ul class=\"short-description\">\n<li>\u0625\u0646 <strong>1000v dc spd<\/strong> KY-40\/G1000 delivers reliable Type 2 surge protection for photovoltaic DC systems.<\/li>\n<li>Designed for inverter DC inputs and PV combiner boxes in commercial rooftop and industrial solar plants.<\/li>\n<li>IEC 61643-31 certified, DIN-rail mounted, with shared T2 wiring &amp; dimension diagrams.<\/li>\n<\/ul>","protected":false},"featured_media":1536,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[26],"product_tag":[],"class_list":{"0":"post-979","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:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product\/979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/comments?post=979"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/1536"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=979"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_brand?post=979"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_cat?post=979"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_tag?post=979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}