{"product_id":"sinofuse-rs309-mf-s100a-750v-fuses-3-pieces-1","title":"SinoFuse RS309-MF-S100A RS309-MF-S Cylindrical Bolt-Mount Fast-Acting Fuse, 700V AC\/DC (IEC) \/ 750V DC (UL), aR class, 100A - 3pcs","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe SinoFuse RS309-MF-S100A is a cylindrical, bolt-mount fast-acting fuse designed for compact, high-reliability protection in EV powertrains, power conversion systems, energy storage, motor drives, and charging equipment. It offers low I²t, high interrupting capability, and strong resistance to vibration and shock. Supplied as a 3pcs pack.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage ratings: 700V AC\/DC (IEC), 750V DC (UL)\u003c\/li\u003e\n\u003cli\u003eUtilization category: aR (semiconductor protection)\u003c\/li\u003e\n\u003cli\u003eHigh interrupting rating: 100kA AC, 50kA DC (time constant ≤15 ms)\u003c\/li\u003e\n\u003cli\u003eLow pre-arcing I²t for semiconductor protection\u003c\/li\u003e\n\u003cli\u003eCompact size; robust against vibration, shock, and wide temperature range\u003c\/li\u003e\n\u003cli\u003eApprovals: UL, CE; Compliant with UL248, IEC60269; RoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEV\/HEV traction and auxiliary power systems\u003c\/li\u003e\n\u003cli\u003ePower converters, inverters, and motor controllers\u003c\/li\u003e\n\u003cli\u003eEnergy storage systems and DC links\u003c\/li\u003e\n\u003cli\u003eOn-board\/off-board chargers and cabling protection\u003c\/li\u003e\n\u003cli\u003eGeneral short-circuit, overload, and backup protection for vehicle electrical equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #dddddd;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eSinoFuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eRS309-MF-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eMPN\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eRS309-MF-S100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003ePack Size\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e3 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eRated Current\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e100 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eVoltage Rating (IEC)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e700 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eVoltage Rating (UL)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e750 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eUtilization Category\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eaR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eInterrupting Rating\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eAC 100 kA; DC 50 kA (τ ≤ 15 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003ePre-arcing I²t (A²s)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e1100 A²s (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eMelting I²t (A²s)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e4980 A²s (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003ePower Loss (at rated current)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e25 W (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eSize Code \/ Body\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e3SA cylindrical, bolt-mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eTerminals \/ Mounting\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eBolt connection, M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eRecommended Torque\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e12 ± 1 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eApprovals \/ Standards\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eUL, CE; conforms to UL248, IEC60269; safety and environmental reliability per ISO8820, GB\/T 31465; RoHS compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eOperating Ambient (normal)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e-5°C to +40°C (allowed: -40°C to +120°C; apply derating above 40°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eRecommended Continuous Current\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e≤ 80% of rated current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eAltitude (operation)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eNormal: ≤ 2000 m; Allowed: ≤ 4500 m (derate current 2–5% per 1000 m in closed enclosures)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eProduct: -40°C to +120°C; Packaging: -40°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eVibration\/Shock\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eMeets GB2423.10-2008 4.1.2.6, QC\/T 413-2002; suitable for road vehicles; rail transit Class II environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eCylindrical bolt-mount; refer to datasheet drawing for A–H details\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation and Safety Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure stable, low-resistance terminal contact; use recommended torque.\u003c\/li\u003e\n\u003cli\u003eMaintain required air\/creepage distances; add insulating barriers where necessary.\u003c\/li\u003e\n\u003cli\u003eDo not replace under load unless equipment is designed for load-break operation.\u003c\/li\u003e\n\u003cli\u003ePeriodic maintenance: remove dust\/oxidation from conductive contacts; replace any devices with mechanical damage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sinofuse","offers":[{"title":"Default Title","offer_id":48177665016087,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/sinofuse-sinofuse-rs309-mf-s-100a-750v-fuses-3-pieces-1212527514.jpg?v=1766452325","url":"https:\/\/www.apexonsupply.com\/products\/sinofuse-rs309-mf-s100a-750v-fuses-3-pieces-1","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}