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Hudson - Model REM Series -Fuses for Rail and Metro Systems
Hudson's REM Series fuses are engineered to deliver reliable protection for a variety of electrical systems, including power supply systems, traction systems, and rail networks like urban mass transit and magnetically levitated trains. These fuses consider key parameters such as voltage, inductance, capacitance, line resistance, and fault point distance, providing robust protection against temperature shocks, load variances, mechanical vibrations, and braking. They feature a high breaking capacity, low I2t, reduced temperature rise, and efficient power consumption, ensuring durability and performance. Constructed of a pure silver conductor within a high-strength ceramic tube, they utilize high-silicon quartz sand for arc extinction. Typical applications include pantograph-type current collectors, traction components like inverters and motors, and UPS systems.
REM Series fuses from Hudson are designed to provide reliable and safety protection for power supply system, trcation system ect. of railway, urban mass transit, magnetically levitated train.
The influnece of various factors such as voltage value, inductance value, capacitance, line resistance and fault point distance of the trainsmission network were considered. The fuses can withstand temperature shock, shifting and braking load current shock, mechanical vibration shock, etc. Also, the fuses get high breaking capacity, low I2t, low temperature rise, low-power consumption and longer service lifetime.
The fuse is tube shaped, and conductor with a variable cross-section, made of pure silver, is sealed in a high-temperature-resistant and high-strength ceramic tube, with filling enough high-silicon quartz sand as the arc-extinguishing medium.
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Power supply system (pantograph type current collector, the 3rd rail shoe)
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Traction system (inverter, traction motor and brack controller, speed governor, converter, IGBT/IGCT, etc.)
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Backup power (UPS power, Signal power, etc.)
Rated Voltage: 750Vdc-4000Vdc
3000Vac(Railway)
Rated current: 1-2200A
Breaking capacity: 60kA@DC, 120kA@AC