{"id":4241,"date":"2025-10-21T17:04:29","date_gmt":"2025-10-21T17:04:29","guid":{"rendered":"https:\/\/1clickrepair.in\/ESS\/?post_type=product&#038;p=4241"},"modified":"2026-10-27T04:09:40","modified_gmt":"2026-10-27T04:09:40","slug":"gfev-b300-mega-bolt-down-fuse-holder-high-current-30a-500a","status":"publish","type":"product","link":"https:\/\/essfuse.com\/tl\/product\/gfev-b300-mega-bolt-down-fuse-holder-high-current-30a-500a\/","title":{"rendered":"MEGA Bolt\u2011On Fuse Holder, PBT+GF15% UL94\u2011V0 30\u2011500A 12\u2011500V DC"},"content":{"rendered":"<div>\n<p>GFEV(B300) mega bolt\u2011on fuse holder is heavy\u2011duty MEGA\u2011style medium fork\u2011bolt automotive fuse holder. Base material optional PBT+GF15% UL\u201194V0 or PPS UL\u201194V0, equipped with PC V0 top protective cover. Fasteners adopt 8.8\u2011grade high\u2011strength screw and stainless\u2011steel nut. Electrical rating: 30A\u2011500A DC, 12\u2011500V DC. Specially matched for GFEFUSE\u00ae ANL\u2011B series medium\u2011sized fork\u2011bolt automobile fuses. Widely applied for automotive wiring harnesses, new\u2011energy vehicle control boxes, DC power\u2011supply equipment, communication equipment and battery\u2011protection circuits. Note: product dimensions subject to change without prior notification.<\/p>\n<h2>Core Features<\/h2>\n<ul>\n<li>Base housing: Optional PBT+GF15% UL\u201194 V\u20110 or PPS UL\u201194 V\u20110 high\u2011temperature flame\u2011retardant material<\/li>\n<li>Top cover: PC V0 flame\u2011retardant plastic for dust\u2011proof and safety isolation<\/li>\n<li>Fastener set: 8.8\u2011grade high\u2011strength screw plus anti\u2011corrosion stainless\u2011steel nut<\/li>\n<li>Electrical performance: 30A\u2011500A DC rated current; 12\u2011500V DC working voltage<\/li>\n<li>Perfectly compatible with GFEFUSE\u00ae ANL\u2011B series medium\u2011sized fork\u2011bolt automobile fuses<\/li>\n<li>Robust bolt\u2011on mounting structure for vehicle vibration environment<\/li>\n<li>Wide application: auto wiring harness, new\u2011energy control box, DC power supply, communication and battery\u2011protection circuits<\/li>\n<li>Note: Dimensions may be revised without advance notice.<\/li>\n<\/ul>\n<h2>General Specifications<\/h2>\n<table style=\"border: 1px solid #000; border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #000; padding: 9px;\">Item<\/th>\n<th style=\"border: 1px solid #000; padding: 9px;\">Parameter<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Product Model<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">GFEV(B300) MEGA bolt\u2011on fuse holder<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Base Material<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">PBT+GF15% UL\u201194V0 \/ PPS UL\u201194V0 (optional)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Top Cover<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">PC V0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Fasteners<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">8.8 grade high\u2011strength screw, stainless steel nut<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Rated DC Current<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">30A\u2011500A DC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Operating DC Voltage<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">12V\u2011500V DC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Matching Fuse<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">GFEFUSE\u00ae ANL\u2011B series medium\u2011sized fork\u2011bolt automobile fuses<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Remarks<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">Dimensions subject to change without prior notification<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Outline Dimensions<\/h2>\n<table style=\"border: 1px solid #000; border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #000; padding: 9px;\">Dimension Description<\/th>\n<th style=\"border: 1px solid #000; padding: 9px;\">Size (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Overall total length<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">126\u00b10.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Housing inner length<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">108\u00b10.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Terminal centre\u2011to\u2011centre distance<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">50.8\u00b10.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Max overall height<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">39\u00b10.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Base thickness<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">13.1\u00b10.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Mounting hole diameter<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">\u00d88<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Typical Application Scenarios<\/h2>\n<ul>\n<li>Automotive wiring harness high\u2011current DC over\u2011current protection<\/li>\n<li>New\u2011energy vehicle control box internal power\u2011distribution circuits<\/li>\n<li>DC power\u2011supply equipment and battery\u2011protection circuit assemblies<\/li>\n<li>Communication equipment power\u2011distribution protective system<\/li>\n<li>RV, off\u2011grid energy\u2011storage and heavy\u2011duty mobile\u2011equipment battery protection<\/li>\n<\/ul>\n<p>Pair this gfev(b300) mega bolt\u2011on fuse holder with our <a href=\"https:\/\/essfuse.com\/tl\/product\/anl-b30sf51-automatic-fuse-30a-500a-32v-58v-dc\/\">ANL\u2011B medium fork\u2011bolt automotive fuses<\/a> to complete heavy\u2011current DC protection solution.<\/p>\n<p><a href=\"https:\/\/essfuse.com\/wp-content\/uploads\/2025\/10\/GFEV\uff08B300-\uff09MEGA-bolt-on-fuse-holder.pdf\">GFEV\uff08B300-\uff09MEGA-bolt-on-fuse-holder<\/a><\/p>\n<h2>Installation &amp; Safety Instructions<\/h2>\n<ul>\n<li>Disconnect DC main\u2011power supply before fuse installation or replacement to avoid short\u2011circuit hazard.<\/li>\n<li>Apply proper tightening torque for 8.8\u2011grade screw; insufficient torque will trigger abnormal over\u2011heating under heavy\u2011current load.<\/li>\n<li>Select ANL\u2011B series medium fork\u2011bolt fuse according to actual continuous working\u2011current of the circuit.<\/li>\n<li>Perform temperature derating assessment when installing inside sealed high\u2011temperature compartments.<\/li>\n<li>Regularly inspect screw\u2011nut tightness for vehicle and vibration\u2011intensive working environments.<\/li>\n<li>Confirm official dimension drawing before bulk purchase since dimensions may change without prior notice.<\/li>\n<\/ul>\n<h2>Mga Madalas Itanong<\/h2>\n<p><strong>Q: What is gfev(b300) mega bolt\u2011on fuse holder?<\/strong><br \/>\nA: GFEV(B300) mega bolt\u2011on fuse holder is heavy\u2011duty MEGA\u2011style medium fork\u2011bolt automotive fuse holder. Optional PBT+GF15% \/ PPS UL\u201194\u2011V0 base with PC V0 cover, rated 30\u2011500A,12\u2011500V DC, matched for ANL\u2011B medium fork\u2011bolt fuses for auto harness, EV control box and battery\u2011protection circuits.<\/p>\n<p><strong>Q: What material options are available for GFEV(B300)?<\/strong><br \/>\nA: Base: optional PBT+GF15% UL\u201194V0 or PPS UL\u201194V0; top protective cover is PC V0; fasteners are 8.8\u2011grade high\u2011strength screw and stainless\u2011steel nut.<\/p>\n<p><strong>Q: What electrical ratings does GFEV(B300) support?<\/strong><br \/>\nA: Rated DC current: 30A\u2011500A DC; operating DC voltage:12\u2011500V DC.<\/p>\n<p><strong>Q: Which fuse fits GFEV(B300) MEGA fuse holder?<\/strong><br \/>\nA: Specially designed for GFEFUSE\u00ae ANL\u2011B series medium\u2011sized fork\u2011bolt automobile fuses.<\/p>\n<p><strong>Q: What are main application scenarios?<\/strong><br \/>\nA: Suitable for automotive wiring harness, new\u2011energy vehicle control box, DC power\u2011supply equipment, communication equipment and battery\u2011protection circuits.<\/p>\n<p><strong>Q: Will product dimensions be adjusted?<\/strong><br \/>\nA: Product dimensions are subject to change without prior notification. Please verify official technical drawing before placing bulk\u2011order.<\/p>\n<h2>Request Quotation &amp; Technical Support<\/h2>\n<p>Please tell us base material option, quantity and application\u2011environment description. Our engineering team can provide dimension drawing, bulk\u2011price quotation and component\u2011selection guidance for your heavy\u2011current DC\u2011projects.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<pre><code>GFEV(B300) MEGA bolt\u2011on fuse holder, PBT+GF15% \/ PPS UL94\u2011V0,30\u2011500A 12\u2011500V DC for EV harness, battery &amp; communication circuits.\r\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"featured_media":14016,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[154],"product_tag":[],"class_list":["post-4241","product","type-product","status-publish","has-post-thumbnail","product_cat-bolt-fuse-holder","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/product\/4241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/comments?post=4241"}],"version-history":[{"count":3,"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/product\/4241\/revisions"}],"predecessor-version":[{"id":15655,"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/product\/4241\/revisions\/15655"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/media\/14016"}],"wp:attachment":[{"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/media?parent=4241"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/product_brand?post=4241"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/product_cat?post=4241"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/essfuse.com\/tl\/wp-json\/wp\/v2\/product_tag?post=4241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}