{"id":1342,"date":"2025-09-09T18:12:36","date_gmt":"2025-09-09T18:12:36","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=1342"},"modified":"2025-12-01T06:45:08","modified_gmt":"2025-12-01T06:45:08","slug":"surge-protection-device-for-electrical-panel-kyspd-12-5t12-31","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/ar\/product\/surge-protection-device-for-electrical-panel-kyspd-12-5t12-31\/","title":{"rendered":"Surge protection device for electrical panel KYSPD-12.5T1+T2-3P+1 | Kuangya"},"content":{"rendered":"<section id=\"overview\">KYSPD-12.5T1+2-3+1 is a three-phase <strong>\u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/strong><br \/>\nusing a 3+1 topology (L\u2013N + N\u2013PE) for TT and TN-S systems at 230\/400 V AC. It combines Type 1<br \/>\nlightning current handling on the N\u2013PE path with Type 2 surge discharge on each L\u2013N path to<br \/>\nprotect downstream equipment in main distribution boards.This <strong>\u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/strong> features pluggable cartridges with<br \/>\nthermal disconnection and a clear green\/red status window. Optional RC remote contacts enable<br \/>\nfault signaling to BMS\/PLC. The compact DIN-rail form factor simplifies integration into<br \/>\nelectrical panels for industrial, commercial, and large residential sites.<\/section>\n<section id=\"features\">\n<h3>\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h3>\n<ul>\n<li>3+1 coordinated protection for TT \/ TN-S networks (L\u2013N MOV, N\u2013PE GDT+MOV).<\/li>\n<li>Surge capability (L\u2013N \/ N\u2013PE): Iimp 12.5 kA \/ 50 kA (10\/350 \u03bcs); In 20 kA \/ 50 kA;<br \/>\nImax 50 kA \/ 100 kA (8\/20 \u03bcs).<\/li>\n<li>Voltage protection levels (Up) available from 1.0\/1.5 kV up to 2.0\/1.5 kV depending on Uc.<\/li>\n<li>Follow current interrupt rating (N\u2013PE) 100 A RMS; fast response &lt; 25 ns \/ &lt; 100 ns (L\u2013N \/ N\u2013PE).<\/li>\n<li>Pluggable, serviceable modules with green (OK) \/ red (fault) indicator.<\/li>\n<li>Optional RC remote contacts; AC 250 V \/ 0.5 A, DC 250 V \/ 0.1 A, 125 V \/ 0.2 A, 75 V \/ 0.5 A.<\/li>\n<li>Housing IP20, thermoplastic UL94 V-0; 35 mm DIN rail (EN 60715) mounting.<\/li>\n<li>Compliant with IEC\/EN 61643-11.<\/li>\n<\/ul>\n<\/section>\n<section id=\"specs\">\n<h3>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u0631\u0645\u0632 \u0627\u0644\u0645\u0646\u062a\u062c<\/th>\n<td>KYSPD-12.5T1+2-3+1<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u0641\u0626\u0629<\/th>\n<td>Surge protection device for electrical panel<\/td>\n<\/tr>\n<tr>\n<th>\u062c\u0647\u062f \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0627\u0633\u0645\u064a (Uo\/Un)<\/th>\n<td>230\/400 V AC<\/td>\n<\/tr>\n<tr>\n<th>Network \/ Topology<\/th>\n<td>TT, TN-S \/ 3+1 (L-N + N-PE)<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649. \u062c\u0647\u062f \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 (Uc)<\/th>\n<td>(L-N) 150\/275\/320\/385\/440 V; (N-PE) 255 V<\/td>\n<\/tr>\n<tr>\n<th>\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0641\u0631\u064a\u063a \u0627\u0644\u0627\u0633\u0645\u064a (\u062f\u0627\u062e\u0644\u064a\u060c 8\/20 \u0645\u064a\u0643\u0631\u0648 \u062b\u0627\u0646\u064a\u0629)<\/th>\n<td>(L-N \/ N-PE) 20 kA \/ 50 kA<\/td>\n<\/tr>\n<tr>\n<th>Maximum Discharge Current (Imax, 8\/20 \u03bcs)<\/th>\n<td>(L-N \/ N-PE) 50 kA \/ 100 kA<\/td>\n<\/tr>\n<tr>\n<th>\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0641\u0631\u064a\u063a \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639\u064a (Iimp\u060c 10\/350 \u0645\u064a\u0643\u0631\u0648 \u062b\u0627\u0646\u064a\u0629)<\/th>\n<td>(L-N \/ N-PE) 12.5 kA \/ 50 kA<\/td>\n<\/tr>\n<tr>\n<th>\u0645\u0633\u062a\u0648\u0649 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062c\u0647\u062f (\u0644\u0623\u0639\u0644\u0649)<\/th>\n<td>1.0\/1.5 kV, 1.5\/1.5 kV, 1.6\/1.5 kV, 1.8\/1.5 kV, 2.0\/1.5 kV<\/td>\n<\/tr>\n<tr>\n<th>Follow Current Interrupt Rating (Ifi)<\/th>\n<td>100 A RMS (N-PE)<\/td>\n<\/tr>\n<tr>\n<th>\u0648\u0642\u062a \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629<\/th>\n<td>&lt; 25 ns \/ &lt; 100 ns (L-N \/ N-PE)<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u064a (\u0628\u062d\u062f \u0623\u0642\u0635\u0649)<\/th>\n<td>160 A gL\/gG<\/td>\n<\/tr>\n<tr>\n<th>ISCCR<\/th>\n<td>25 kA AC<\/td>\n<\/tr>\n<tr>\n<th>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/th>\n<td>-40 \u00b0C to +70 \u00b0C<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/th>\n<td>\u0633\u0643\u0629 DIN 35 \u0645\u0645 (EN 60715)<\/td>\n<\/tr>\n<tr>\n<th>Enclosure \/ Protection<\/th>\n<td>Thermoplastic UL94 V-0 \/ IP20<\/td>\n<\/tr>\n<tr>\n<th>Remote Signaling (RC)<\/th>\n<td>Optional; AC 250 V \/ 0.5 A; DC 250 V \/ 0.1 A; 125 V \/ 0.2 A; 75 V \/ 0.5 A<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631<\/th>\n<td>IEC\/EN 61643-11<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"wiring\">\n<h3>\u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0627\u0644\u0623\u0628\u0639\u0627\u062f<\/h3>\n<p>Connection diagram surge protection device for electrical panel 3+1<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1347\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KYSPD-7T12-3P1-wiring-diagram-1-287x300.png\" alt=\"\" width=\"400\" height=\"418\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KYSPD-7T12-3P1-wiring-diagram-1-287x300.png 287w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KYSPD-7T12-3P1-wiring-diagram-1-300x314.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KYSPD-7T12-3P1-wiring-diagram-1.png 444w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>Dimensions surge protection device for electrical panel 3+1<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1346\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KYSPD-12.5T12-3P1-dimension-300x208.png\" alt=\"Connection diagram surge protection device for electrical panel 3+1\" width=\"402\" height=\"279\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KYSPD-12.5T12-3P1-dimension-300x208.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KYSPD-12.5T12-3P1-dimension.png 589w\" sizes=\"auto, (max-width: 402px) 100vw, 402px\" \/><\/p>\n<p>&nbsp;<\/p>\n<\/section>\n<section id=\"applications\">\n<h3>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h3>\n<ul>\n<li>Main distribution boards in electrical panels for industrial &amp; commercial buildings.<\/li>\n<li>Service-entrance coordination where a surge protection device for electrical panel must handle lightning current on N-PE and surges on L-N.<\/li>\n<li>Retrofits requiring pluggable maintenance with RC alarm integration to BMS\/PLC.<\/li>\n<\/ul>\n<\/section>\n<section id=\"faq\">\n<h3>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h3>\n<ul>\n<li><strong>Where should this device be installed?<\/strong> At the main distribution board of TT \/ TN-S electrical panels using a 3+1 configuration.<\/li>\n<li><strong>What surge currents can it handle?<\/strong> (L-N \/ N-PE) Iimp 12.5\/50 kA, In 20\/50 kA, Imax 50\/100 kA.<\/li>\n<li><strong>\u0647\u0644 \u064a\u062f\u0639\u0645 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0639\u0646 \u0628\u064f\u0639\u062f\u061f<\/strong> \u0646\u0639\u0645\u060c \u062a\u062a\u0648\u0641\u0631 \u062c\u0647\u0627\u062a \u0627\u062a\u0635\u0627\u0644 RC \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0629.<\/li>\n<li><strong>Is it suitable for residential or industrial use?<\/strong> Both; it supports residential, commercial, and industrial TN-S boards.<\/li>\n<li><strong>Which standards does it comply with?<\/strong> IEC\/EN 61643-11.<\/li>\n<\/ul>\n<\/section>\n<section id=\"cta\">For detailed pricing and technical support, please <a href=\"\/ar\/contact-us\/\">\u0627\u062a\u0635\u0644 \u0628\u0646\u0627<\/a>.Explore more Kuangya products: <a href=\"\/ar\/dc-fuse\/\">\u0641\u062a\u064a\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/a>, <a href=\"\/ar\/pv-combiner-box\/\">\u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a<\/a>.<\/section>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"719\" data-end=\"860\">\n<p data-start=\"721\" data-end=\"860\">Three-phase <strong data-start=\"733\" data-end=\"781\">\u062c\u0647\u0627\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/strong> \u0641\u064a <strong data-start=\"785\" data-end=\"801\">3+1 topology<\/strong> (L-N + N-PE) for TT \/ TN-S networks at <strong data-start=\"841\" data-end=\"857\">230\/400 V AC<\/strong>.<\/p>\n<\/li>\n<li data-start=\"861\" data-end=\"1073\">\n<p data-start=\"863\" data-end=\"1073\">Surge ratings (L-N \/ N-PE): <strong data-start=\"891\" data-end=\"927\">Iimp 12.5 kA \/ 50 kA (10\/350 \u00b5s)<\/strong>, <strong data-start=\"929\" data-end=\"959\">In 20 kA \/ 50 kA (8\/20 \u00b5s)<\/strong>, <strong data-start=\"961\" data-end=\"994\">Imax 50 kA \/ 100 kA (8\/20 \u00b5s)<\/strong>; typical <strong data-start=\"1004\" data-end=\"1010\">\u0644\u0623\u0639\u0644\u0649<\/strong> options from <strong data-start=\"1024\" data-end=\"1038\">1.0\/1.5 kV<\/strong> up to <strong data-start=\"1045\" data-end=\"1059\">2.0\/1.5 kV<\/strong> by variant.<\/p>\n<\/li>\n<li data-start=\"1074\" data-end=\"1244\">\n<p data-start=\"1076\" data-end=\"1244\">Pluggable modules, thermal disconnector with green\/red status, <strong data-start=\"1139\" data-end=\"1154\">optional RC<\/strong> remote contacts; <strong data-start=\"1172\" data-end=\"1180\">IP20<\/strong> housing, <strong data-start=\"1190\" data-end=\"1201\">UL94-V0<\/strong> thermoplastic, <strong data-start=\"1217\" data-end=\"1235\">35 mm DIN-rail<\/strong> mount.<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":1592,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[31],"product_tag":[],"class_list":{"0":"post-1342","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ac-spd","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product\/1342","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=1342"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/1592"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=1342"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1342"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1342"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}