{"product_id":"sinofuse-rsz307-01-j4p-450a-750v-fuses-3-pieces","title":"Sinofuse RSZ307-01-J4P High-Speed Fuse, 450A 750V DC, aR Protection for EV \u0026 Energy Storage - Pack of 3","description":"\u003cp\u003eThe Sinofuse RSZ307-01-J4P-450A is a professional-grade, high-speed square body fuse engineered for advanced DC power circuit protection. It is specifically designed for Electric Vehicle (EV) traction systems, battery energy storage systems (BESS), and industrial power electronics. This fuse excels in providing high-speed clearing of short-circuit faults, ensuring the safety of conductors and high-value semiconductor components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh DC Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRated for 750V DC, making it ideal for the high-voltage energy systems used in modern electric transport and renewable energy storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced aR Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures the \"aR\" utilization category, providing ultra-fast response to overcurrent events and minimizing let-through energy (I²t) to protect sensitive power electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Efficient:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for high power density with a compact footprint, featuring a low temperature rise and a power dissipation of 66W at rated current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt to meet GB\/T 31465 automotive standards, offering superior resistance to mechanical shock and vibration (up to 10g acceleration), suitable for railway and automotive environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Status Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with a visual fault indicator to allow for immediate status identification during maintenance inspections.\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 Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRSZ307-01-J4P-450A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e450 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Voltage:\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\u003eBreaking Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e≥ 50kA (L\/R = 5~10ms)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sinofuse","offers":[{"title":"Default Title","offer_id":48243566117143,"sku":null,"price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/sinofuse-sinofuse-rsz307-01-j4p-450a-750v-fuses-3-pieces-1212527265.jpg?v=1766428445","url":"https:\/\/www.apexonsupply.com\/products\/sinofuse-rsz307-01-j4p-450a-750v-fuses-3-pieces","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}