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SINOFUSE RS309-MF-S80A RS309-MF-S Series High-Speed Fuse, 80A, 700V AC/DC / 750V, aR

Regular price $28.00 USD
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The SINOFUSE RS309-MF-S80A is a high-performance, cylindrical bolted high-speed fuse designed for demanding industrial and automotive applications. Featuring an 80A current rating and operating at up to 700V AC/DC (IEC) or 750V (UL) with an aR utilization category, it delivers exceptional short-circuit and overload protection. With a high breaking capacity of up to 100kA (AC) and 50kA (DC), this compact fuse is ideal for electric vehicle (EV) drive systems, power converters, energy storage, and frequency controllers.

Product ID (MPN) RS309-MF-S80A
Rated Current 80 A
Rated Voltage (IEC) 700V AC/DC
Rated Voltage (UL) 750V AC/DC
Utilization Category aR
Breaking Capacity 100kA AC / 50kA DC (Time Constant ≤ 15ms)
Size Code 3SA
Pre-Arcing I²t 540 A²s
Clearing I²t 2,210 A²s
Power Dissipation 20 W
Mounting Type Bolted (M8)
Recommended Torque 12 ±1 N·m
Standards & Approvals CE, UL (UL248), IEC 60269, ISO 8820, RoHS
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