{"product_id":"sinofuse-rs309-mf-s325a-325a-high-speed-fuse","title":"SinoFuse RS309-MF-S325A 325A High-Speed Cylindrical Fuse, 700V AC\/DC IEC, 750V DC UL, aR, Size 6TA","description":"\u003ch2\u003eSinoFuse RS309-MF-S325A High-Speed Fuse\u003c\/h2\u003e\n\n\u003cp\u003eThe SinoFuse RS309-MF-S325A is a 325A high-speed cylindrical fuse from the RS309-MF-S series, featuring bolted connections and an aR utilization category.\u003c\/p\u003e\n\n\u003cp\u003eRated for 700V AC\/DC under IEC specifications and 750V DC under UL specifications, this fuse is designed for high-speed protection in power conversion systems, electric vehicle power systems, energy storage equipment, and industrial electrical applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e325A rated current with aR utilization category\u003c\/li\u003e\n\u003cli\u003e700V AC\/DC rating according to IEC specifications\u003c\/li\u003e\n\u003cli\u003e750V DC rating according to UL specifications\u003c\/li\u003e\n\u003cli\u003eHigh breaking capacity: 100kA AC and 50kA DC\u003c\/li\u003e\n\u003cli\u003eSize 6TA cylindrical construction\u003c\/li\u003e\n\u003cli\u003eM10 bolted mounting connections\u003c\/li\u003e\n\u003cli\u003eLow pre-arcing I²t characteristics\u003c\/li\u003e\n\u003cli\u003eDesigned for applications requiring resistance to mechanical vibration and shock\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSinoFuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eRS309-MF-S325A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eRS309-MF-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Type\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed Cylindrical Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e325A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIEC Rated Voltage\u003c\/td\u003e\n\u003ctd\u003e700V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUL Rated Voltage\u003c\/td\u003e\n\u003ctd\u003e750V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUtilization Category\u003c\/td\u003e\n\u003ctd\u003eaR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Breaking Capacity\u003c\/td\u003e\n\u003ctd\u003e100kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Breaking Capacity\u003c\/td\u003e\n\u003ctd\u003e50kA (time constant ≤15ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-Arcing I²t\u003c\/td\u003e\n\u003ctd\u003e34,500 A²s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Clearing I²t\u003c\/td\u003e\n\u003ctd\u003e74,500 A²s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e60W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize Code\u003c\/td\u003e\n\u003ctd\u003e6TA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eM10 Bolted Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Tightening Torque\u003c\/td\u003e\n\u003ctd\u003e21 ± 1 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cp\u003eThe RS309-MF-S series is designed for electrical protection applications including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eElectric vehicle drive power systems\u003c\/li\u003e\n\u003cli\u003ePower conversion equipment\u003c\/li\u003e\n\u003cli\u003eEnergy storage and power systems\u003c\/li\u003e\n\u003cli\u003eVariable-frequency controllers\u003c\/li\u003e\n\u003cli\u003eBattery charging equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial power electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation and Operating Conditions\u003c\/h3\u003e\n\n\u003cp\u003eThe manufacturer recommends that long-term continuous operating current should not exceed 80% of the rated current.\u003c\/p\u003e\n\n\u003cp\u003eNormal ambient operating temperature is -5°C to +40°C. Operation outside this range may require additional current-rating adjustments according to the manufacturer's specifications.\u003c\/p\u003e\n\n\u003cp\u003eThe fuse supports vertical, horizontal, or inclined installation, provided that reliable electrical connections and appropriate installation conditions are maintained.\u003c\/p\u003e\n\n\u003ch3\u003eStandards and Compliance\u003c\/h3\u003e\n\n\u003cp\u003eAccording to the manufacturer, the RS309-MF-S series conforms to IEC 60269 and UL 248 performance requirements. The manufacturer also states CE and UL certification and RoHS compliance for the series.\u003c\/p\u003e\n\n\u003cp\u003eFor equipment-specific applications, verify electrical ratings, installation dimensions, protection coordination, and applicable certification requirements against the manufacturer's technical documentation.\u003c\/p\u003e","brand":"Sinofuse","offers":[{"title":"1 pcs","offer_id":67738192183575,"sku":null,"price":50.0,"currency_code":"USD","in_stock":true},{"title":"3 pcs","offer_id":67738192216343,"sku":null,"price":140.0,"currency_code":"USD","in_stock":true},{"title":"6 pcs","offer_id":67738192249111,"sku":null,"price":270.0,"currency_code":"USD","in_stock":true},{"title":"10 pcs","offer_id":67738192281879,"sku":null,"price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/SINOFUSERS309-MF-SSeries.webp?v=1791762885","url":"https:\/\/www.apexonsupply.com\/products\/sinofuse-rs309-mf-s325a-325a-high-speed-fuse","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}