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SINOFUSE RS309-MD-1000A RS309-MD Series High-Speed Fuse, 1000A, 500VDC
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$110.00 USD
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$110.00 USD
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The SINOFUSE RS309-MD-1000A is an ultra-high-capacity cylindrical bolt-connected high-speed fuse engineered for the protection of large-scale power semiconductors. Designed for heavy-duty electric vehicle (EV) fleet charging infrastructure, industrial power grid conversion, and high-wattage energy storage systems, it delivers premier fault isolation with a 50kA DC breaking rating and superior durability against mechanical shock.
| Product ID (MPN) | RS309-MD-1000A |
| Rated Voltage | 500VAC / 500VDC |
| Rated Current | 1000A |
| Breaking Capacity | AC 200kA / DC 50kA (τ ≤ 15ms) |
| Utilization Category | aR |
| Size Code | 9RA |
| Pre-arcing I²t | 180000 A²s |
| Total Clearing I²t | 570000 A²s |
| Rated Power Loss | 145W |
| Mounting Bolt | M12 (Recommended Torque 28±1N.m) |
| Compliance | UL248, IEC60269, RoHS, CE |
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