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SINOFUSE RS309-MD-90A RS309-MD Series High-Speed Fuse, 90A, 500VDC

Regular price $25.00 USD
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The SINOFUSE RS309-MD-90A is a professional-grade cylindrical bolt-connected high-speed fuse engineered for the precise protection of power semiconductors. Optimized for automotive EV drive systems, energy storage, and power conversion applications, it offers high breaking capacity and low energy let-through to protect sensitive electronic components from short-circuits and overloads.

Product ID (MPN) RS309-MD-90A
Rated Voltage 500VAC / 500VDC
Rated Current 90A
Breaking Capacity AC 200kA / DC 50kA (τ ≤ 15ms)
Utilization Category aR
Size Code 4ZA
Pre-arcing I²t 560 A²s
Total Clearing I²t 1750 A²s
Power Loss 15W
Mounting Bolt M8 (Recommended Torque 12±1N.m)
Compliance UL248, IEC60269, RoHS, CE
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