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SINOFUSE RS306-3-T5Z-1000A1250V-D High-Speed Fuse, 1000A, AC1250V/DC1000V

Regular price $140.00 USD
Regular price Sale price $140.00 USD
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SINOFUSE RS306-3-T5Z-1000A1250V-D is a bolt-connected aR partial-range high-speed fuse rated 1000 A, with AC1250 V/DC1000 V voltage ratings. This size code 3 variant has a pre-arcing I²t of 455,000 A²s and total I²t of 2,000,000 A²s at AC1250 V.

Model RS306-3-T5Z-1000A1250V-D
Rated Current 1000 A
Rated Voltage AC1250 V / DC1000 V
Utilization Category aR (UL)
Size Code 3
Pre-Arcing I²t at AC1250 V 455,000 A²s
Total I²t at AC1250 V 2,000,000 A²s
Power Loss 134 W
Breaking Capacity AC 100 kA / DC 50 kA (L/R=10–15 ms)
Recommended Installation M10 bolt and nut
Recommended Torque 21 N·m

Typical applications: The RS306 series is intended for rail transit, electric vehicles, ships, energy storage systems, power systems, conductors, and other equipment requiring short-circuit overcurrent and backup protection.

Apexon Supply provides B2B sourcing and replacement support for SINOFUSE RS306-3-T5Z-1000A1250V-D. Use the verified electrical, I²t, mounting, and power-loss data for procurement review and technical alignment.

RFQ: Submit RS306-3-T5Z-1000A1250V-D, required quantity, and application requirements for procurement review. Most qualified RFQs receive a response or quote within 12 hours.

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