{"product_id":"sinofuse-rsz307-01-j4p-315a-750v-fuses-3-pieces","title":"Sinofuse RSZ307-01-J4P High-Speed Fuse, 315A 750V DC, aR Protection for EV \u0026 Energy Storage - Single Unit","description":"\u003cp\u003eThe Sinofuse RSZ307-01-J4P is a high-speed, square-body fuse specifically engineered for high-power DC circuit protection. With a focused rating of 750V DC, this fuse is a critical component for safeguarding Electric Vehicle (EV) systems, Power Distribution Units (PDU), and battery energy storage infrastructures. It is designed to provide ultra-fast clearing of fault currents, protecting sensitive power semiconductors from catastrophic failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized DC Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifically rated for 750V DC, making it the industry standard for intermediate voltage battery systems and industrial DC drives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizing the \"aR\" class characteristic, it delivers ultra-fast interruption to minimize the I²t (let-through energy) during short-circuit events.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Construction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a high-strength ceramic body and silver-plated copper terminals for low resistance and superior thermal stability under continuous heavy loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Specific:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdeal for EV traction inverters, DC-DC converters, and heavy-duty charging stations where compact, reliable DC protection is mandatory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eManufactured by Xi'an Sinofuse to meet rigorous automotive and industrial standards, ensuring long-term durability in high-vibration environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eXi'an Sinofuse Electric Co., Ltd.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\/SKU:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRSZ307-01-J4P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e315 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e750 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUtilization Category:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eaR (High-speed semiconductor protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100kA @ 750V DC (Typical for -01 series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-grade Ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eJ4P (Blade\/Bolted Tag specialized for high-current connectivity)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Compliance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned to meet UL 248-13 and IEC 60269-4 requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Application:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEV Power Systems, ESS, and Industrial Rectifiers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sinofuse","offers":[{"title":"Default Title","offer_id":48243556188439,"sku":null,"price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/sinofuse-sinofuse-rsz307-01-j4p-315a-750v-fuses-pieces-1212527270.jpg?v=1766689297","url":"https:\/\/www.apexonsupply.com\/products\/sinofuse-rsz307-01-j4p-315a-750v-fuses-3-pieces","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}