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SINOFUSE RS309-MD-400A RS309-MD Series High-Speed Fuse, 400A, 500VDC
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$40.00 USD
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$40.00 USD
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The SINOFUSE RS309-MD-400A is a high-capacity cylindrical bolt-connected high-speed fuse optimized for the protection of power semiconductors in demanding industrial environments. Designed for electric vehicle drive systems and large-scale power conversion, it provides rapid fault isolation with a 50kA DC breaking capacity and low energy let-through characteristics.
| Product ID (MPN) | RS309-MD-400A |
| Rated Voltage | AC/DC 500V |
| Rated Current | 400A |
| Breaking Capacity | AC 200kA / DC 50kA (τ ≤ 15ms) |
| Utilization Category | aR |
| Size Code | 6ZA |
| Pre-arcing I²t | 31000 A²s |
| Total Clearing I²t | 108500 A²s |
| Rated Power Loss | 66W |
| Mounting Bolt | M10 (Recommended Torque: 21±1N.m) |
| Standards | UL248, IEC60269, CE, TUV, RoHS |
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