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SINOFUSE RS309-MD-350A RS309-MD Series High-Speed Fuse, 350A, 500VDC
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$45.00 USD
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$45.00 USD
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The SINOFUSE RS309-MD-350A is a professional-grade cylindrical bolt-connected high-speed fuse optimized for the protection of power semiconductors. Engineered for electric vehicle (EV) drive systems, energy storage systems, and industrial power conversion, it provides ultrafast fault isolation with a 50kA DC breaking capacity and high thermal reliability under demanding mechanical conditions.
| Product ID (MPN) | RS309-MD-350A |
| Rated Voltage | 500VAC / 500VDC |
| Rated Current | 350A |
| Breaking Capacity | AC 200kA / DC 50kA (τ ≤ 15ms) |
| Utilization Category | aR |
| Size Code | 6ZA |
| Pre-arcing I²t | 26200 A²s |
| Total Clearing I²t | 81500 A²s |
| Rated Power Loss | 60W |
| Mounting Bolt | M10 (Recommended Torque 21±1N.m) |
| Certifications | UL248, IEC60269, RoHS, CE, TUV |
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