{"id":4233,"date":"2025-10-21T17:04:28","date_gmt":"2025-10-21T17:04:28","guid":{"rendered":"https:\/\/1clickrepair.in\/ESS\/?post_type=product&#038;p=4233"},"modified":"2026-10-28T02:37:15","modified_gmt":"2026-10-28T02:37:15","slug":"gfevf-300-35a-2500a-250v-300v-high-speed-semiconductor-fuse","status":"publish","type":"product","link":"https:\/\/essfuse.com\/fr\/produit\/gfevf-300-35a-2500a-250v-300v-high-speed-semiconductor-fuse\/","title":{"rendered":"GFEVF300\u2011series north\u2011american style semiconductor dc power fuse 300VDC 35\u20112500A aR class protection"},"content":{"rendered":"<pre><code><\/code><\/pre>\n<pre><code>GFEVF300 North American Style aR Semiconductor DC Fuse 250-300VDC 35-2500A\r\n\r\nGFEVF300 North American Style aR Semiconductor DC Fuse 250-300VDC 35-2500A is north-american standard high-speed semiconductor DC power fuse. Operation class aR for semiconductor device short-circuit protection. Rated 250\u2011300VDC, max 50kA breaking capacity, low arc\u2011voltage and low let\u2011through I&sup2;t value. Supports parallel connection for higher ampacity. Complies with UL\u2011248, IEC 60269\u20114, CE and RoHS. Widely used for battery pack, DC drives, power converters, rectifiers and DC relay backup protection.&lt;\/p&gt;\r\n<\/code><\/pre>\n<pre>connection for higher ampacity. Complies with UL\u2011248\u201113, IEC 60269\u20114, CE and RoHS. Widely used for battery pack, DC drives, power converters, rectifiers and DC relay backup protection.<\/pre>\n<h2>Key Features<\/h2>\n<ul>\n<li>Model Series: GFEVF300 north\u2011american style semiconductor DC power fuse<\/li>\n<li>Rated Voltage: 250\u2011300 VDC<\/li>\n<li>Current Range: 35A\u20112500A, Operation Class: aR<\/li>\n<li>Max Breaking Capacity: 50kA @300VDC<\/li>\n<li>Time Constant: 2.5\u00b10.5 ms<\/li>\n<li>Low arc\u2011voltage, low energy let\u2011through I\u00b2t characteristics<\/li>\n<li>Low watt losses, superior cycling capability<\/li>\n<li>Parallel installation permitted for higher ampacity within dimensional limits<\/li>\n<li>High mechanical shock &amp; vibration resistance \u226520g<\/li>\n<li>Compliant: UL\u2011248\u201113, IEC 60269\u20114, CE, RoHS; REACH available upon request<\/li>\n<\/ul>\n<h2>General Technical Specifications<\/h2>\n<table style=\"border: 1px solid #333; border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 10px; width: 42%;\">Product Series<\/td>\n<td style=\"border: 1px solid #333; padding: 10px;\">GFEVF300\u2011Series North\u2011American Style Semiconductor DC Power Fuse<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 10px;\">Rated Voltage<\/td>\n<td style=\"border: 1px solid #333; padding: 10px;\">250\u2011300 V DC<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 10px;\">Rated Current Range<\/td>\n<td style=\"border: 1px solid #333; padding: 10px;\">35A\u20112500A (aR operation class)<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 10px;\">Max Breaking Capacity<\/td>\n<td style=\"border: 1px solid #333; padding: 10px;\">50kA @300VDC<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 10px;\">Time Constant<\/td>\n<td style=\"border: 1px solid #333; padding: 10px;\">2.5\u00b10.5 ms<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 10px;\">Vibration Resistance<\/td>\n<td style=\"border: 1px solid #333; padding: 10px;\">\u226520g<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 10px;\">Standards Compliance<\/td>\n<td style=\"border: 1px solid #333; padding: 10px;\">UL\u2011248\u201113, IEC60269\u20114, CE, RoHS<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 10px;\">Operating Temperature<\/td>\n<td style=\"border: 1px solid #333; padding: 10px;\">\u20115\u2103 ~ +40\u2103(regular);\u201140\u2103~+85\u2103(allowable)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Part Number List &amp; Electrical Parameters<\/h2>\n<table style=\"border: 1px solid #333; border-collapse: collapse; width: 100%; font\u2011size: 11px;\">\n<tbody>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">Rated Current<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">Pre\u2011arc A\u00b2s<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">Clearing A\u00b2t<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">Power Loss(W)<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">35A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">50<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">230<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">4.2<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">40A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">60<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">310<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">5.2<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">45A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">80<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">390<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">5.7<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">50A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">100<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">520<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">6.0<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">60A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">140<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">740<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">8.1<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">70A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">330<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">1400<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">7.2<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">80A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">430<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">1850<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">8.1<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">90A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">570<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">2450<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">9.0<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">100A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">740<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">3150<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">10.0<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">125A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">1130<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">4850<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">12.5<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">150A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">1620<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">6950<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">15.5<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">175A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">2170<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">9300<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">18.5<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">200A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">2790<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">12000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">22<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">225A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">3210<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">14700<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">24<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">250A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">3960<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">18100<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">27<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">275A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">4720<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">21600<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">31<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">300A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">6000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">27300<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">32<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">350A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">10600<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">48600<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">39<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">400A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">14500<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">66100<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">44<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">450A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">22100<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">101000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">49<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">500A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">28000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">128000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">54<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">600A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">41100<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">188000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">62<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">700A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">48800<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">190000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">72<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">800A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">59000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">230000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">84<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">1000A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">94000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">360000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">100<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">1200A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">922000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">750000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">103<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">1500A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">120000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">880000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">140<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">1600A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">160000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">1200000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">140<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">2000A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">320000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">2300000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">151<\/td>\n<\/tr>\n<tr style=\"border: 1px solid #333;\">\n<td style=\"border: 1px solid #333; padding: 6px;\">2500A<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">670000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">4700000<\/td>\n<td style=\"border: 1px solid #333; padding: 6px;\">163<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Application Scenarios<\/h2>\n<p>GFEVF300\u2011series north\u2011american style semiconductor dc power fuse 300VDC 35\u20112500A aR class is designed for semiconductor\u2011related DC\u2011system protection: energy\u2011storage battery\u2011pack, DC drives, power converters, rectifier equipment and DC relay backup protection. aR\u2011class high\u2011speed characteristic provides reliable short\u2011circuit protection for power semiconductors under heavy\u2011fault\u2011current conditions.<\/p>\n<h2>Installation &amp; Operating Notes<\/h2>\n<ul>\n<li>Bolt\u2011on mounting type; apply proper bolt torque to avoid poor contact and over\u2011heating risk.<\/li>\n<li>Recommended continuous operating current \u226475% of fuse rated\u2011current; apply temperature\u2011derating factor for ambient temperature over 40\u2103.<\/li>\n<li>For closed\u2011box \/ high\u2011altitude installation (&gt;2000m), perform rated\u2011current derating in accordance with datasheet requirements.<\/li>\n<li>Parallel mounting is allowed only within dimensional and specification guidelines for higher ampacity.<\/li>\n<li>Do NOT replace fuse under live DC load unless equipped with certified load\u2011break switchgear.<\/li>\n<li>Replace fuse immediately if mechanical damage, crack or deformation occurs on fuse body.<\/li>\n<li>Additional reliability validation test shall be conducted for extremely high\u2011vibration working environments.<\/li>\n<\/ul>\n<h2>Packing &amp; Supply<\/h2>\n<p>Standard bulk package. Sample testing support, OEM customization, stable mass\u2011volume supply for energy\u2011storage, power\u2011converter and new\u2011energy equipment manufacturers. REACH declaration available upon customer request.<\/p>\n<h2>FAQ<\/h2>\n<p><strong>Q: What rating for GFEVF300\u2011series north\u2011american style semiconductor dc power fuse 300VDC 35\u20112500A aR class?<\/strong><br \/>\nA: Rated 250\u2011300VDC, current range 35\u20112500A, aR semiconductor\u2011protection class, max breaking capacity up to 50kA@300VDC.<\/p>\n<p><strong>Q: What is aR\u2011class operation for this fuse?<\/strong><br \/>\nA: aR class is semiconductor\u2011protecting high\u2011speed fuse class, designed for fast short\u2011circuit protection of power semiconductor devices.<\/p>\n<p><strong>Q: What standards does GFEVF300\u2011series comply with?<\/strong><br \/>\nA: UL\u2011248\u201113, IEC60269\u20114, CE, RoHS compliant; REACH document available on request.<\/p>\n<p><strong>Q: Main application scenarios for GFEVF300\u2011series?<\/strong><br \/>\nA: Energy\u2011storage battery\u2011pack, DC drives, power converters, rectifiers and DC relay backup semiconductor short\u2011circuit protection.<\/p>\n<p><a href=\"https:\/\/essfuse.com\/wp-content\/uploads\/2025\/10\/GFEVF300-Semiconductor-fuse.pdf\">GFEVF300-Semiconductor-fuse<\/a><\/p>","protected":false},"excerpt":{"rendered":"<div id=\"downloadAttachmentBtn\" class=\"custom-download-btn-wrapper\">\n<pre><code>GFEVF300\u2011series north\u2011american style semiconductor DC power fuse, 300VDC 35\u20112500A, aR class, 50kA interrupting capacity for battery pack, DC drive and power converter protection.\r\n<\/code><\/pre>\n<\/div>","protected":false},"featured_media":15908,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[140],"product_tag":[],"class_list":["post-4233","product","type-product","status-publish","has-post-thumbnail","product_cat-north-american-semiconductor-fuse","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/product\/4233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/comments?post=4233"}],"version-history":[{"count":4,"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/product\/4233\/revisions"}],"predecessor-version":[{"id":15904,"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/product\/4233\/revisions\/15904"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/media\/15908"}],"wp:attachment":[{"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/media?parent=4233"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/product_brand?post=4233"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/product_cat?post=4233"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/essfuse.com\/fr\/wp-json\/wp\/v2\/product_tag?post=4233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}