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SINOFUSE RS309-MD-325A RS309-MD Series High-Speed Fuse, 325A, 500VDC

Regular price $50.00 USD
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The SINOFUSE RS309-MD-325A is a professional-grade cylindrical bolt-connected high-speed fuse designed for the reliable protection of power semiconductors. Optimized for electric vehicle (EV) drive systems, high-capacity power converters, and industrial energy storage, it provides superior fault isolation with a 50kA DC breaking capacity and high thermal stability under demanding operational conditions.

Product ID (MPN) RS309-MD-325A
Rated Voltage 500VAC / 500VDC
Rated Current 325A
Breaking Capacity AC 200kA / DC 50kA (τ ≤ 15ms)
Utilization Category aR
Size Code 6ZA
Pre-arcing I²t 22500 A²s
Total Clearing I²t 72500 A²s
Rated Power Loss 55W
Mounting Bolt M10 (Recommended Torque 21±1N.m)
Certifications UL248, IEC60269, RoHS, CE, TUV
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