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Product

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  • [Auxiliary Control Box]

    Auxiliary Control Box

    Function
    Auxiliary control boxes are equipped with circuit breakers, AC overcurrent relays, DC voltage relays, high voltage fuses and diode stacks and etc. and control vehicle and protect devices.      
    Specification
    Main circuit voltage: DC 1,500V
    Main circuit current : DC 1,200A
    Control voltage: DC100V
  • [LB BOX]

    Line Breaker Box

    Function
    LB boxes are equipped with high speed breakers, line breakers, charging resister trip units and relays to protect rearward devices from damage caused by overcurrent.      
    Specification
    Main circuit voltage: DC 1,500V
    Main circuit current: DC 600A
    Control voltage: DC100V
  • [Fuse Box]

    Fuse Box

    Function
    Fuse boxes protect rearward devices with installed fuses from damage caused by overcurrent.      
    Specification
    Main circuit voltage: DC 1,500V
    Main circuit current: DC 1,900A
  • [Resistor Box]

    Resistor Box

    Function
    Resistors(OVRe) provide overvoltage protection linked with VOT in case of VVVF INVERTER overvoltage and CHRe protects rapid charge of capacitor by restricting current when charging up.      
    Specification
    Main circuit voltage : DC1,500V
    Overvoltage set value: DC2,000V
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WOOJIN Electric Machinery Co., Ltd..

Representation : Jung Hyun Kim

Chungcheongbuk-do Goesan-gun Seryimyeon Ikogoro 1 Gil 9 WOOJIN Electric Machinery Co., Ltd.

Business Registration Number : 315-81-04149

Contact us : +82-43-830-5331

Customer support mail : wjm@wjis.co.kr