{"product_id":"sinofuse-rs309-mf-s274a-750v-fuses-3-pieces","title":"Sinofuse RS309-MF-S275A RS309-MF-S High-Speed Cylindrical Bolt Fuse, 700V IEC\/750V UL, 275A aR, Size 6TA M10 - Pack of 3","description":"\u003cp\u003eOverview: The Sinofuse RS309-MF-S275A is a cylindrical, bolt‑mounted high‑speed semiconductor fuse (aR) for AC\/DC systems up to 700 V (IEC) \/ 750 V (UL). Rated 275 A, it delivers low I²t and high interrupting capacity for fast short‑circuit protection in power electronics. This item is sold as a pack of 3 units.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh breaking capacity: 100 kA AC \/ 50 kA DC (time constant ≤15 ms)\u003c\/li\u003e\n\u003cli\u003eaR utilization category for semiconductor short‑circuit protection\u003c\/li\u003e\n\u003cli\u003eCompact cylindrical bolt design; robust against vibration and shock\u003c\/li\u003e\n\u003cli\u003eComplies with UL248 and IEC 60269; CE and RoHS\u003c\/li\u003e\n\u003cli\u003eM10 bolted mounting; recommended torque 21 ±1 N·m\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical Specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated current: 275 A\u003c\/li\u003e\n\u003cli\u003eRated voltage: 700 V (IEC) \/ 750 V (UL)\u003c\/li\u003e\n\u003cli\u003eInterrupting rating: 100 kA AC; 50 kA DC (L\/R ≤15 ms)\u003c\/li\u003e\n\u003cli\u003eI²t (at rated current): pre‑arcing 14,500 A²s; clearing 50,900 A²s\u003c\/li\u003e\n\u003cli\u003ePower loss at In: 53 W\u003c\/li\u003e\n\u003cli\u003eBody\/size: cylindrical bolt fuse, size code 6TA; M10 terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApplications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInverters, rectifiers, and power converters\u003c\/li\u003e\n\u003cli\u003eDC common bus, DC drives, and chargers\u003c\/li\u003e\n\u003cli\u003eEV traction\/power conversion and energy storage systems\u003c\/li\u003e\n\u003cli\u003eFast backup and short‑circuit protection of conductors and auxiliary equipment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sinofuse","offers":[{"title":"Default Title","offer_id":48171600544023,"sku":null,"price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/sinofuse-sinofuse-rs309-mf-s-275a-750v-fuses-3-pieces-1212527572.jpg?v=1766671117","url":"https:\/\/www.apexonsupply.com\/products\/sinofuse-rs309-mf-s274a-750v-fuses-3-pieces","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}