{"id":4101,"date":"2025-02-04T11:03:50","date_gmt":"2025-02-04T11:03:50","guid":{"rendered":"https:\/\/1clickrepair.in\/ESS\/?post_type=product&#038;p=4101"},"modified":"2026-10-28T11:33:25","modified_gmt":"2026-10-28T11:33:25","slug":"gfevt1000-k-51e-high-speed-fuse-100a-630a-1000v-dc-new-energy-fuse","status":"publish","type":"product","link":"https:\/\/essfuse.com\/vi\/product\/gfevt1000-k-51e-high-speed-fuse-100a-630a-1000v-dc-new-energy-fuse\/","title":{"rendered":"GFEVT1000\u2011K\u201151E 1000VDC Fast\u2011Acting DC Fuse 100\u2011630A | EssFuse"},"content":{"rendered":"<p>GFEVT1000\u2011K\u201151E Series Fast\u2011Acting Square\u2011Body DC Fuse Link,100\u2011630A 1000VDC Size 1#<\/p>\n<div class=\"product-pdp\">\n<h2>Product Overview<\/h2>\n<p>EssFuse GFEVT1000\u2011K\u201151E is Size\u202f1# square\u2011body fast\u2011acting <strong>aR\u2011class DC fuse link<\/strong>, rated 1000\u202fVDC. Optimized for high\u2011voltage new\u2011energy DC circuit protection. Two versions available: <strong>K = with blow indicator, KN = without indicator<\/strong>. Delivers \u22643\u202fms ultra\u2011short time\u2011constant, max 50\u202fkA@1000\u202fVDC interrupting capacity. Suitable for energy\u2011storage system, high\u2011voltage battery pack and DC relay backup protection. Compliant with UL\u202f248.13 &amp; IEC\u202f60269\u20114, RoHS compliant.<\/p>\n<h2>Key Features &amp; Benefits<\/h2>\n<ul>\n<li>\u2705 Pure\u2011DC design, excellent high\u2011voltage DC fault\u2011breaking performance<\/li>\n<li>\u2705 Max interrupting capacity\uff1a<strong>50\u202fkA @1000\u202fVDC<\/strong>\uff1bminimum breaking current \u22653\u00d7In<\/li>\n<li>\u2705 Ultra\u2011fast response\uff1aTime\u2011constant \u2264\u202f3\u202fms<\/li>\n<li>\u2705 Two variants: K(with indicator) \/ KN(without indicator)<\/li>\n<li>\u2705 Low watt\u2011loss, compact Size\u202f1# footprint with high ampacity<\/li>\n<li>\u2705 High mechanical shock\u2011vibration resistance \u226520\u202fg, wide ambient temperature tolerance<\/li>\n<li>\u2705 RoHS\u2011compliant; REACH statement available on request<\/li>\n<li>\u2705 Flush\u2011end custom contact for heavy\u2011current cabinet installation<\/li>\n<\/ul>\n<h2>Typical Applications<\/h2>\n<ul>\n<li>High\u2011voltage lithium\u2011ion battery pack protection<\/li>\n<li>Energy\u2011storage system(ESS) main DC circuit protection<\/li>\n<li>Backup protection for DC relay \/ DC contactor<\/li>\n<li>Heavy\u2011current 1000VDC power distribution<\/li>\n<\/ul>\n<h2>General Electrical Specifications<\/h2>\n<p><!-- \u5b9e\u7ebf\u603b\u53c2\u6570\u8868\u683c border=\"1\" cellspacing=\"0 \u5b9e\u73b0\u5168\u90e8\u5b9e\u7ebf\u6846 --><\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr>\n<th>Item<\/th>\n<th>Parameter<\/th>\n<\/tr>\n<tr>\n<td>Rated DC Voltage<\/td>\n<td>1000\u202fVDC<\/td>\n<\/tr>\n<tr>\n<td>Rated Current Range<\/td>\n<td>100\u202fA ~ 630\u202fA<\/td>\n<\/tr>\n<tr>\n<td>Fuse Class<\/td>\n<td>aR (fast\u2011acting semiconductor \/ DC protection)<\/td>\n<\/tr>\n<tr>\n<td>Max Interrupting Capacity<\/td>\n<td>50\u202fkA @1000\u202fVDC<\/td>\n<\/tr>\n<tr>\n<td>Minimum Breaking Current<\/td>\n<td>\u2265\u202f3 \u00d7 In<\/td>\n<\/tr>\n<tr>\n<td>Time Constant<\/td>\n<td>\u2264\u202f3\u202fms<\/td>\n<\/tr>\n<tr>\n<td>Mechanical Size<\/td>\n<td>Size\u202f1# Square\u2011Body<\/td>\n<\/tr>\n<tr>\n<td>Contact Type<\/td>\n<td>Flush\u2011end custom contact<\/td>\n<\/tr>\n<tr>\n<td>Product Variant<\/td>\n<td>K\u2011version(with indicator); KN\u2011version(without indicator)<\/td>\n<\/tr>\n<tr>\n<td>Standards &amp; Approvals<\/td>\n<td>UL\u202f248.1 \/ UL\u202f248.13; IEC\u202f60269\u20111 \/ IEC\u202f60269\u20114<\/td>\n<\/tr>\n<tr>\n<td>Compliance<\/td>\n<td>RoHS; REACH document upon request<\/td>\n<\/tr>\n<tr>\n<td>Storage Temperature<\/td>\n<td>\u201140\u202f\u2103 ~ 120\u202f\u2103<\/td>\n<\/tr>\n<tr>\n<td>Normal Operating Ambient Temp.<\/td>\n<td>\u20115\u202f\u2103 ~ +40\u202f\u2103 (no\u2011derating)<\/td>\n<\/tr>\n<tr>\n<td>Allowable Operating Temp.<\/td>\n<td>\u201140\u202f\u2103 ~ +85\u202f\u2103<\/td>\n<\/tr>\n<tr>\n<td>Anti\u2011Vibration Capability<\/td>\n<td>\u2265\u202f20\u202fg<\/td>\n<\/tr>\n<tr>\n<td>Mounting<\/td>\n<td>Vertical \/ Horizontal \/ Inclined installation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Complete Model Ratings Table<\/h2>\n<p><em>Note: Replace suffix <strong>K<\/strong> with <strong>KN<\/strong> for version without fuse indicator, e.g. GFEVT1000\u2011630KN\u201151E<\/em><\/p>\n<p><!-- \u578b\u53f7\u53c2\u6570\u5b9e\u7ebf\u8868\u683c --><\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<thead>\n<tr>\n<th>Part Number<\/th>\n<th>Rated Current<\/th>\n<th>Size<\/th>\n<th>Melting A\u00b2s @50kA\/1000VDC<\/th>\n<th>Clearing A\u00b2t @50kA\/1000VDC<\/th>\n<th>Power Loss(W) @100%In<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>GFEVT1000\u2011100K\u201151E<\/td>\n<td>100A<\/td>\n<td>1#<\/td>\n<td>980<\/td>\n<td>4,400<\/td>\n<td>42<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011125K\u201151E<\/td>\n<td>125A<\/td>\n<td>1#<\/td>\n<td>1,180<\/td>\n<td>5,300<\/td>\n<td>46<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011160K\u201151E<\/td>\n<td>160A<\/td>\n<td>1#<\/td>\n<td>2,240<\/td>\n<td>10,050<\/td>\n<td>50<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011200K\u201151E<\/td>\n<td>200A<\/td>\n<td>1#<\/td>\n<td>4,360<\/td>\n<td>19,970<\/td>\n<td>56<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011250K\u201151E<\/td>\n<td>250A<\/td>\n<td>1#<\/td>\n<td>9,320<\/td>\n<td>40,870<\/td>\n<td>62<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011315K\u201151E<\/td>\n<td>315A<\/td>\n<td>1#<\/td>\n<td>17,900<\/td>\n<td>79,060<\/td>\n<td>68<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011350K\u201151E<\/td>\n<td>350A<\/td>\n<td>1#<\/td>\n<td>23,000<\/td>\n<td>107,200<\/td>\n<td>76<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011400K\u201151E<\/td>\n<td>400A<\/td>\n<td>1#<\/td>\n<td>35,100<\/td>\n<td>154,100<\/td>\n<td>86<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011450K\u201151E<\/td>\n<td>450A<\/td>\n<td>1#<\/td>\n<td>50,600<\/td>\n<td>221,100<\/td>\n<td>95<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011500K\u201151E<\/td>\n<td>500A<\/td>\n<td>1#<\/td>\n<td>83,500<\/td>\n<td>288,100<\/td>\n<td>102<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011550K\u201151E<\/td>\n<td>550A<\/td>\n<td>1#<\/td>\n<td>114,700<\/td>\n<td>391,900<\/td>\n<td>133<\/td>\n<\/tr>\n<tr>\n<td>GFEVT1000\u2011630K\u201151E<\/td>\n<td>630A<\/td>\n<td>1#<\/td>\n<td>155,000<\/td>\n<td>445,000<\/td>\n<td>140<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Application Notes &amp; Derating Guidance<\/h2>\n<ol>\n<li><strong>Continuous\u2011current suggestion<\/strong>: long\u2011term operating current \u226475\u202f% of fuse rated\u2011current.<\/li>\n<li><strong>Ambient\u2011temperature derating<\/strong>: Operating &gt;40\u202f\u2103, apply temperature correction factor Kt; below\u20115\u202f\u2103 pre\u2011arcing time slightly extends.<\/li>\n<li><strong>Altitude derating(closed cabinet)<\/strong>: Between 2000\u20114500\u202fm, derate rated\u2011current 2\u20115\u202f% per 1000\u202fm elevation increase.<\/li>\n<li><strong>Conductor sizing<\/strong>: Follow datasheet copper cross\u2011section table; &gt;1250A apply 1.0\u20111.4\u202fA\/mm\u00b2 current\u2011density.<\/li>\n<li><strong>Time\u2011Current Curve tolerance<\/strong>: \u00b115\u202f% current error band; minimum breaking\u2011current =3\u202fIn.<\/li>\n<\/ol>\n<h2>Download &amp; Resources<\/h2>\n<ul>\n<li>Download 2D\u20113D dimension drawing, time\u2011current curve, full datasheet PDF:<a href=\"https:\/\/essfuse.com\/wp-content\/uploads\/2025\/02\/GFEVT1000-K-51E_Series._100-630A_1000Vdc_fast-acting-fuse.pdf\">GFEVT1000-K-51E_Series._100-630A_1000Vdc_fast-acting-fuse<\/a><\/li>\n<li>Manufacturer: Dongguan Gongfu Electronics (EssFuse)<\/li>\n<\/ul>\n<\/div>\n<p><!-- Schema \u5bcc\u7ed3\u679cJSON\u2011LD\uff0c\u653e\u5728 <\/body> \u95ed\u5408\u6807\u7b7e\u524d\u9762 --><br \/>\n<script type=\"application\/ld+json\">\n{\n  \"@context\":\"https:\/\/schema.org\/\",\n  \"@type\":\"Product\",\n  \"name\":\"GFEVT1000\u2011K\u201151E Series Fast\u2011Acting Square\u2011Body DC Fuse Link 100\u2011630A 1000VDC Size 1#\",\n  \"brand\":{\"@type\":\"Brand\",\"name\":\"EssFuse\"},\n  \"mpn\":\"GFEVT1000\u2011K\u201151E Series\",\n  \"description\":\"EssFuse Size1# square\u2011body aR DC fuse link for 1000VDC,battery pack & ESS energy\u2011storage protection,50\u2011kA interrupting capacity,time\u2011constant \u22643ms,UL248.13,IEC60269.4 RoHS compliant.K\u2011with indicator \/ KN\u2011without indicator.\",\n  \"image\":[\"\/images\/gfevt1000\u2011k\u201151e\u2011product\u2011photo.webp\",\"\/images\/gfevt1000\u2011k\u201151e\u2011dimension\u2011drawing.webp\"],\n  \"offers\":{\n    \"@type\":\"AggregateOffer\",\n    \"priceCurrency\":\"USD\",\n    \"availability\":\"https:\/\/schema.org\/InStock\",\n    \"offerCount\":12\n  },\n  \"additionalProperty\":[\n    {\"@type\":\"PropertyValue\",\"name\":\"Rated DC Voltage\",\"value\":\"1000 VDC\"},\n    {\"@type\":\"PropertyValue\",\"name\":\"Fuse Class\",\"value\":\"aR Fast\u2011Acting\"},\n    {\"@type\":\"PropertyValue\",\"name\":\"Interrupting Capacity\",\"value\":\"50 kA @1000VDC\"},\n    {\"@type\":\"PropertyValue\",\"name\":\"Time Constant\",\"value\":\"\u22643 ms\"},\n    {\"@type\":\"PropertyValue\",\"name\":\"Size\",\"value\":\"Size 1# Square\u2011Body\"}\n  ]\n}\n<\/script><\/p>\n<p><!-- \u7b80\u5355\u7f8e\u5316CSS\uff0c\u53ef\u4ee5\u653e\u5230\u4e3b\u9898\u81ea\u5b9a\u4e49CSS\uff0c\u8868\u683c\u81ea\u9002\u5e94\u79fb\u52a8\u7aef --><\/p>\n<style>\n.product-pdp table {<br \/>\n    width:100%;<br \/>\n    border-collapse: collapse;<br \/>\n    margin:16px 0 24px;<br \/>\n}<br \/>\n.product-pdp th{<br \/>\n    background:#f5f5f5;<br \/>\n    text-align:left;<br \/>\n}<br \/>\n.product-pdp h1{font-size:28px;margin:12px 0;}<br \/>\n.product-pdp h2{font-size:22px;margin:28px 0 12px;}<br \/>\n@media(max-width:768px){<br \/>\n    .product-pdp table{font-size:12px;}<br \/>\n}<br \/>\n<\/style>\n","protected":false},"excerpt":{"rendered":"<pre><code>EssFuse GFEVT1000\u2011K\u201151E square-body aR fast-acting DC fuse for 1000VDC, rated 100A\u2011630A, 50kA interrupting capacity. Available with or without blow indicator, ideal for ESS energy storage and high-voltage battery pack protection. UL248.13 &amp; IEC60269.4 approved.\r\n<\/code><\/pre>","protected":false},"featured_media":16326,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[139],"product_tag":[],"class_list":["post-4101","product","type-product","status-publish","has-post-thumbnail","product_cat-square-high-speed-fuse","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/product\/4101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/comments?post=4101"}],"version-history":[{"count":3,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/product\/4101\/revisions"}],"predecessor-version":[{"id":16324,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/product\/4101\/revisions\/16324"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/media\/16326"}],"wp:attachment":[{"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/media?parent=4101"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/product_brand?post=4101"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/product_cat?post=4101"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/product_tag?post=4101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}