{"product_id":"sinofuse-rs309-mf-s250a-750v-fuses-3-pieces","title":"Sinofuse RS309-MF-S250A RS309-MF-S High-Speed Cylindrical Bolt Fuse, 700V IEC\/750V UL, 250A aR, Size 6TA - Pack of 3","description":"\u003cp\u003eOverview: The Sinofuse RS309-MF-S250A is a cylindrical, bolt‑mounted high-speed semiconductor fuse (aR) for AC\/DC systems up to 700 V (IEC) \/ 750 V (UL). Rated 250 A, it combines small size, low I²t and high interrupting capacity for reliable short‑circuit\/backup 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: AC 100 kA; DC 50 kA (time constant ≤15 ms)\u003c\/li\u003e\n\u003cli\u003eaR utilization category for semiconductor short‑circuit protection\u003c\/li\u003e\n\u003cli\u003eCylindrical bolt‑mount construction; size code 6TA\u003c\/li\u003e\n\u003cli\u003eM10 mounting hardware; recommended torque 21 ±1 N·m\u003c\/li\u003e\n\u003cli\u003eTested to UL248 and IEC 60269; CE and RoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical Specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated voltage: 700 V (IEC) \/ 750 V (UL)\u003c\/li\u003e\n\u003cli\u003eRated current: 250 A\u003c\/li\u003e\n\u003cli\u003eBreaking capacity: AC 100 kA; DC 50 kA (L\/R ≤15 ms)\u003c\/li\u003e\n\u003cli\u003eI²t (A²s): pre‑arcing 12,300; clearing 40,300\u003c\/li\u003e\n\u003cli\u003ePower loss at In: 47.5 W\u003c\/li\u003e\n\u003cli\u003eMounting: Bolt connection, M10 (21 ±1 N·m)\u003c\/li\u003e\n\u003cli\u003eSeries\/body: RS309‑MF‑S cylindrical, size 6TA\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 and DC drives\u003c\/li\u003e\n\u003cli\u003eEV traction\/charging, energy storage systems\u003c\/li\u003e\n\u003cli\u003eGeneral industrial power electronics requiring fast fault clearing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sinofuse","offers":[{"title":"Default Title","offer_id":48171595170071,"sku":null,"price":102.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/sinofuse-sinofuse-rs309-mf-s-250a-750v-fuses-3-pieces-1212527573.jpg?v=1766675018","url":"https:\/\/www.apexonsupply.com\/products\/sinofuse-rs309-mf-s250a-750v-fuses-3-pieces","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}