{"id":4120,"date":"2025-10-21T17:03:51","date_gmt":"2025-10-21T17:03:51","guid":{"rendered":"https:\/\/1clickrepair.in\/ESS\/?post_type=product&#038;p=4120"},"modified":"2026-10-27T06:49:28","modified_gmt":"2026-10-27T06:49:28","slug":"gf-fb221-22x58-fuse-holder-125a690v-fuse-base-fuse-accessories","status":"publish","type":"product","link":"https:\/\/essfuse.com\/hi\/product\/gf-fb221-22x58-fuse-holder-125a690v-fuse-base-fuse-accessories\/","title":{"rendered":"Photovoltaic Fuse Holder &#8211; GF\u2011FB221 22\u00d758 Fuse Base,125A 690VAC 80A 1500VDC,DIN\u2011Rail Bolt Terminal RoHS REACH"},"content":{"rendered":"<div>\n<p><strong>GF\u2011FB221 22\u00d758 Fuse Base<\/strong> is multi\u2011purpose <strong>photovoltaic fuse holder<\/strong> and fuse\u2011base accessory for 22\u00d758\u202fmm cylindrical fuse links. Dual\u2011rating design: 125A\u202f690VAC for AC circuits and 80A\u202f1500VDC for high\u2011voltage DC solar and energy\u2011storage systems. It adopts standard 35\u202fmm DIN\u2011rail guide\u2011rail mounting and heavy\u2011duty bolt\u2011connection terminals. RoHS &amp; REACH compliant, this fuse accessory delivers stable over\u2011current and short\u2011circuit protection for AC industrial cabinets, PV combiner boxes, BESS and mixed AC\u2011DC distribution systems.<\/p>\n<h2>Product At A Glance<\/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;\">GF\u2011FB221 (fuse base), fuse accessories<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Compatible Fuse Size<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">22\u00d758\u202fmm cylindrical fuse link<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">AC Rating<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">125A, 690VAC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">DC Rating<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">80A, 1500VDC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Mounting<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">Standard 35\u202fmm DIN\u2011rail guide\u2011rail installation<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Connection<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">Bolt connection terminal<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 9px;\">Compliance<\/td>\n<td style=\"border: 1px solid #000; padding: 9px;\">RoHS, REACH<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Key Features<\/h2>\n<ul>\n<li>Dual\u2011rating performance: 125A\u202f690VAC for industrial AC; 80A\u202f1500VDC for PV \/ energy\u2011storage DC\u2011side circuits<\/li>\n<li>Designed for 22\u00d758\u202fmm cylindrical fuse links, supports both AC general\u2011purpose fuses and DC\u2011gPV photovoltaic fuses<\/li>\n<li>Standard 35\u202fmm DIN\u2011rail clip\u2011on mounting, quick assembly inside combiner\u2011boxes, switch cabinets and control panels<\/li>\n<li>Robust bolt\u2011type terminals: anti\u2011vibration, anti\u2011loosening under thermal\u2011cycling for long\u2011term indoor &amp; outdoor operation<\/li>\n<li>Finger\u2011safe housing construction to minimize accidental\u2011touch risk during maintenance work<\/li>\n<li>Serviceable design: replace fuse\u2011link directly without rewiring the whole fuse base<\/li>\n<li>RoHS &amp; REACH certified, meets EU environmental requirements for global export orders<\/li>\n<\/ul>\n<h2>Application Principle<\/h2>\n<p>GF\u2011FB221 is a versatile fuse\u2011base covering both AC and high\u2011voltage DC scenarios. For AC industrial applications, match with 22\u00d758\u202fmm AC\u2011rated fuses up to 125A\u202f690VAC. For 1500V DC photovoltaic and battery\u2011storage projects, install qualified 22\u00d758\u202fmm gPV DC\u2011special fuses within 80A rating range.<\/p>\n<p><strong>Critical note:<\/strong> Always select fuse links whose breaking capacity exceeds system short\u2011circuit current. Do not mix\u2011use AC\u2011only fuses in 1500V DC solar circuits.<\/p>\n<h2>Installation Steps<\/h2>\n<ol>\n<li>Snap the fuse base firmly onto standard 35\u202fmm DIN\u2011rail.<\/li>\n<li>Connect incoming and outgoing conductors to bolt terminals; tighten to torque value specified on official datasheet.<\/li>\n<li>Insert properly\u2011rated 22\u00d758\u202fmm fuse link (AC\u2011type for AC circuit; gPV\u2011DC\u2011type for 1500V DC circuit).<\/li>\n<li>Close protective cover and double\u2011check terminal tightness.<\/li>\n<li>Contact sales team for custom requirements upon bulk\u2011order placement.<\/li>\n<\/ol>\n<h2>Typical Applications<\/h2>\n<ul>\n<li>1500V DC PV combiner\u2011box and high\u2011current photovoltaic\u2011string protection<\/li>\n<li>Battery Energy Storage System (BESS) DC\u2011feeder over\u2011current &amp; short\u2011circuit protection<\/li>\n<li>Industrial 690VAC control cabinet and AC distribution\u2011panel protection<\/li>\n<li>Mixed AC\u2011DC power\u2011distribution cabinets for new\u2011energy projects<\/li>\n<li>DC\u2011side protection for EV\u2011charging\u2011station equipment<\/li>\n<\/ul>\n<p>Pair GF\u2011FB221 fuse base with our <a href=\"https:\/\/essfuse.com\/product-category\/fuse-holders\/\">22\u00d758\u202fmm AC &amp; gPV photovoltaic fuses<\/a> for complete AC\u2011DC multi\u2011scenario circuit\u2011protection solution.<\/p>\n<h2>Safety Reminders<\/h2>\n<ul>\n<li>Cut off all power supply (AC or DC) before fuse replacement; strictly prohibit live\u2011line operation especially under 1500V high\u2011voltage DC condition.<\/li>\n<li>Observe datasheet\u2011specified bolt\u2011terminal torque; insufficient torque will trigger abnormal over\u2011heating under full\u2011load current.<\/li>\n<li>Distinguish AC\u2011rated fuse and DC\u2011gPV fuse; AC\u2011only fuses cannot be deployed in 1500V DC photovoltaic systems.<\/li>\n<li>Confirm exact dimension drawings and electrical parameters from official datasheet before mass\u2011production procurement.<\/li>\n<\/ul>\n<h2>FAQ<\/h2>\n<p><strong>Q: Which fuse fits GF\u2011FB221 fuse base?<\/strong><br \/>\nA: Accepts 22\u00d758\u202fmm cylindrical fuse links. AC\u2011circuit max 125A\u202f690VAC; DC PV\/BESS circuit max 80A\u202f1500VDC (must use gPV\u2011grade DC fuses for solar systems). Confirm breaking\u2011capacity before ordering.<\/p>\n<p><strong>Q: What are electrical ratings of GF\u2011FB221?<\/strong><br \/>\nA: Dual\u2011rating:125A\u202f690VAC for AC circuits; 80A\u202f1500VDC for DC photovoltaic &amp; energy\u2011storage circuits. Do not exceed respective AC \/ DC rating values.<\/p>\n<p><strong>Q: What are mounting and connection modes?<\/strong><br \/>\nA: Standard 35\u202fmm DIN\u2011rail clip\u2011on installation; wiring completed by bolt\u2011connection terminals for anti\u2011vibration performance.<\/p>\n<p><strong>Q: Does GF\u2011FB221 satisfy environmental compliance?<\/strong><br \/>\nA: Yes, GF\u2011FB221 complies with RoHS and REACH standards. Compliance documents can be provided for EU\u2011oriented export\u2011projects on request.<\/p>\n<p><strong>Q: Where is GF\u2011FB221 used?<\/strong><br \/>\nA: Applied for industrial 690VAC distribution, 1500V PV combiner boxes, BESS energy\u2011storage cabinets, mixed AC\u2011DC new\u2011energy cabinets and EV\u2011charging DC\u2011side protection.<\/p>\n<h2>Request Quotation &amp; Technical Support<\/h2>\n<p>Please share your order quantity, AC\u2011DC system electrical parameters and custom requirements. Our engineering team can provide datasheet, bulk\u2011price quotation and component\u2011selection guidance for your industrial, photovoltaic and energy\u2011storage protection\u2011projects.<\/p>\n<p style=\"font\u2011size: 0.9em; color: #555;\">GF\u2011FB221 22\u00d758 Fuse Base \u00b7 EssFuse \u00b7 RoHS &amp; REACH compliant. Verify datasheet electrical ratings before mass\u2011production.<\/p>\n<\/div>\n<p><script type=\"application\/ld+json\">\n{\n\"@context\":\"https:\/\/schema.org\",\n\"@type\":\"FAQPage\",\n\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"Which fuse fits GF\u2011FB221 fuse base?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Accepts 22\u00d758\u202fmm cylindrical fuse links. AC\u2011circuit max 125A\u202f690VAC; DC PV\/BESS circuit max 80A\u202f1500VDC (must use gPV\u2011grade DC fuses for solar systems). Confirm breaking\u2011capacity before ordering.\"}},\n{\"@type\":\"Question\",\"name\":\"What are electrical ratings of GF\u2011FB221?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Dual\u2011rating:125A\u202f690VAC for AC circuits; 80A\u202f1500VDC for DC photovoltaic & energy\u2011storage circuits. 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