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FAQ within [ Air Circuit Breakers ]

1-10 of Total 24

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  • ACB Ground fault protection

    Ground fault protection (GFR) is prepared as option, it is possible to detect and protect against ground fault current. "Trip" or "Alarm signal output" can b... More Details >>

    • No:22412
    • Release Date:2018/08/31 14:33
  • ACB How to use MCR

    It is special relay characteristic for selective co-ordination. When closing ACB (changing from OFF to ON), the instantaneous tripping characteristic is effe... More Details >>

    • No:22402
    • Release Date:2018/08/31 14:33
  • ACB OCR alarm

    It is a standard equipment (automatic reset type) and 30ms of one-pulse is output at overload tripping. Hold-type circuit is necessary since the output time ... More Details >>

    • No:22428
    • Release Date:2018/08/31 14:33
  • ACB DC use

    It is not possible to use standard AE-SW in DC circuit. Special DC use AE-SW is provided if specified. More Details >>

    • No:22446
    • Release Date:2018/08/31 14:33
  • ACB trip indication

    Generally, there is no Mechanical Trip indication of continuous output for AE-SW. It is necessary to indicate electrically by using OCR Alarm (AL) output or ... More Details >>

    • No:22432
    • Release Date:2018/08/31 14:33
  • ACB test position

    The test position is a position where a main circuit is in the "disconnected" state and only control circuit is in the "connected" state. Control circuit che... More Details >>

    • No:22405
    • Release Date:2018/08/31 14:33
  • ACB closing time

    The time between application of voltage to the closing coil (CC) and closing of the main contact is 0.08 sec or less. More Details >>

    • No:22440
    • Release Date:2018/08/31 14:33
  • ACB How to store drawout handle

    Set the handle holder to the right side of the drawout frame with the included screw and nut, and store the drawout handle. However, the circuit breaker with... More Details >>

    • No:22437
    • Release Date:2018/08/31 14:33
  • ACB reverse connection

    For ACB, Line and Load are not defined on the main circuit terminals. Reverse connection is available without any limitation. More Details >>

    • No:22425
    • Release Date:2018/08/31 14:33
  • ACB add earth leakage protection

    When earth leakage current protection module (ER) is attached, it is possible to protect against earth leakage current. "Trip" or "Alarm signal output" can b... More Details >>

    • No:22420
    • Release Date:2018/08/31 14:33

1-10 of Total 24