{"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\/ja\/product\/surge-protection-device-for-electrical-panel-kyspd-12-5t12-31\/","title":{"rendered":"\u96fb\u6c17\u30d1\u30cd\u30eb\u7528\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e KYSPD-12.5T1+T2-3P+1\uff5cKuangya"},"content":{"rendered":"<section id=\"overview\">KYSPD-12.5T1+2-3+1 is a three-phase <strong>\u96fb\u6c17\u76e4\u7528\u30b5\u30fc\u30b8\u9632\u8b77\u88c5\u7f6e<\/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>\u96fb\u6c17\u76e4\u7528\u30b5\u30fc\u30b8\u9632\u8b77\u88c5\u7f6e<\/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>\u4e3b\u306a\u7279\u5fb4<\/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>\u4ed5\u69d8<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u5546\u54c1\u30b3\u30fc\u30c9<\/th>\n<td>KYSPD-12.5T1+2-3+1<\/td>\n<\/tr>\n<tr>\n<th>\u30ab\u30c6\u30b4\u30ea\u30fc<\/th>\n<td>\u96fb\u6c17\u30d1\u30cd\u30eb\u7528\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e<\/td>\n<\/tr>\n<tr>\n<th>\u516c\u79f0\u30b7\u30b9\u30c6\u30e0\u96fb\u5727 (Uo\/Un)<\/th>\n<td>AC230\/400 V<\/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>\u6700\u5927\u9023\u7d9a\u4f7f\u7528\u96fb\u5727 (Uc)<\/th>\n<td>(L-N) 150\/275\/320\/385\/440 V; (N-PE) 255 V<\/td>\n<\/tr>\n<tr>\n<th>\u516c\u79f0\u653e\u96fb\u96fb\u6d41\uff08In\u30018\/20 \u03bcs\uff09<\/th>\n<td>(L-N \/ N-PE) 20 kA \/ 50 kA<\/td>\n<\/tr>\n<tr>\n<th>\u6700\u5927\u653e\u96fb\u96fb\u6d41\uff08Imax\u30018\/20 \u03bcs\uff09<\/th>\n<td>(L-N \/ N-PE) 50 kA \/ 100 kA<\/td>\n<\/tr>\n<tr>\n<th>\u30a4\u30f3\u30d1\u30eb\u30b9\u653e\u96fb\u96fb\u6d41 (Iimp, 10\/350 \u03bcs)<\/th>\n<td>(L-N \/ N-PE) 12.5 kA \/ 50 kA<\/td>\n<\/tr>\n<tr>\n<th>\u96fb\u5727\u4fdd\u8b77\u30ec\u30d9\u30eb\uff08\u4e0a\uff09<\/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>\u5fdc\u7b54\u6642\u9593<\/th>\n<td>&lt; 25 ns \/ &lt; 100 ns (L-N \/ N-PE)<\/td>\n<\/tr>\n<tr>\n<th>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d2\u30e5\u30fc\u30ba\uff08\u6700\u5927\uff09<\/th>\n<td>160 A gL\/gG<\/td>\n<\/tr>\n<tr>\n<th>ISCCR<\/th>\n<td>AC25kA<\/td>\n<\/tr>\n<tr>\n<th>\u52d5\u4f5c\u6e29\u5ea6<\/th>\n<td>-40 \u00b0C \uff5e +70 \u00b0C<\/td>\n<\/tr>\n<tr>\n<th>\u53d6\u308a\u4ed8\u3051<\/th>\n<td>35 mm DIN\u30ec\u30fc\u30eb (EN 60715)<\/td>\n<\/tr>\n<tr>\n<th>\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\uff0f\u4fdd\u8b77<\/th>\n<td>\u71b1\u53ef\u5851\u6027 UL94 V-0 \/ IP20<\/td>\n<\/tr>\n<tr>\n<th>\u30ea\u30e2\u30fc\u30c8\u4fe1\u53f7\uff08RC\uff09<\/th>\n<td>\u30aa\u30d7\u30b7\u30e7\u30f3; 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>\u898f\u683c<\/th>\n<td>IEC\/EN 61643-11<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"wiring\">\n<h3>\u914d\u7dda\u3068\u5bf8\u6cd5<\/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>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/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>\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/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>\u30ea\u30e2\u30fc\u30c8\u30fb\u30b7\u30b0\u30ca\u30eb\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\uff1f<\/strong> \u306f\u3044\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067RC\u63a5\u70b9\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002.<\/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>\u3069\u306e\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u306e\u304b\uff1f<\/strong> IEC\/EN 61643-11.<\/li>\n<\/ul>\n<\/section>\n<section id=\"cta\">\u8a73\u7d30\u306a\u4fa1\u683c\u3068\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u306b\u3064\u3044\u3066\u306f <a href=\"\/ja\/contact-us\/\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>.\u3082\u3063\u3068Kuangya\u306e\u5546\u54c1\u3092\u898b\u308b <a href=\"\/ja\/dc-fuse\/\">DC\u30d2\u30e5\u30fc\u30ba<\/a>, <a href=\"\/ja\/pv-combiner-box\/\">PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/a>.<\/section>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"719\" data-end=\"860\">\n<p data-start=\"721\" data-end=\"860\">\u4e09\u76f8 <strong data-start=\"733\" data-end=\"781\">\u96fb\u6c17\u76e4\u7528\u30b5\u30fc\u30b8\u9632\u8b77\u88c5\u7f6e<\/strong> \u3067 <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\">AC230\/400 V<\/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\">\u4e0a\u3078<\/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\/ja\/wp-json\/wp\/v2\/product\/1342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/comments?post=1342"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media\/1592"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media?parent=1342"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/product_brand?post=1342"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/product_cat?post=1342"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/product_tag?post=1342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}