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SINOFUSE RS309-MD-90A RS309-MD Series High-Speed Fuse, 90A, 500VDC
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$25.00 USD
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$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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