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SINOFUSE RS309-MD-50A RS309-MD Series High-Speed Fuse, 50A, 500VDC
Regular price
$30.00 USD
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$30.00 USD
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The SINOFUSE RS309-MD-50A is a professional-grade cylindrical bolt-connected high-speed fuse specifically engineered for the protection of power semiconductors. Optimized for automotive EV drive systems, power converters, and energy storage, it provides exceptional short-circuit protection with a 50kA DC breaking capacity and extremely low I²t let-through values to safeguard sensitive electronic components.
| Product ID (MPN) | RS309-MD-50A |
| Rated Voltage | 500VAC / 500VDC |
| Rated Current | 50A |
| Breaking Capacity | AC 200kA / DC 50kA (τ ≤ 15ms) |
| Utilization Category | aR |
| Size Code | 3XA |
| Pre-arcing I²t | 190 A²s |
| Total Clearing I²t | 750 A²s |
| Rated Power Loss | 8W |
| Mounting Bolt | M8 (Recommended Torque 12±1N.m) |
| Compliance | UL248, IEC60269, CE, RoHS |
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