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FAQ within [ Air Circuit Breakers ]

11-20 of Total 23

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  • Horizontal allowable distance when installing ACB

    Flatness of mounting plane: 1 mm or less.In addition, it is necessary to consider the horizontality of the panel. More Details >>

    • No：37698
    • Release Date：2020/01/17 17:32

  • ACB　drawout position

    Drawout type circuit breaker can be drawn-out and insert to the cradle without taking out the connecting conductor. As ACB is drawn out, it will be "connect ... More Details >>

    • No：22431
    • Release Date：2018/08/31 14:33

  • Setting change operation while power is on

    It is forbidden to change the characteristic when the breaker ON. Over current trip and earth leakage trip characteristics should be changed by a person with... More Details >>

    • No：37699
    • Release Date：2020/01/18 09:58

  • ACB opening time

    For Shunt Trip (SHT), it is the time from voltage application to open ACB main contact * AE3200-SW or less, AE4000-SWA: 0.04 sec or less* AE4000-SW to AE6300... More Details >>

    • No：22418
    • Release Date：2018/08/31 14:33

  • Rated current and continuous current

    The rated current is standard value for continuous current, short time delay current and instantaneous current. Continuous current is non-breaking current (c... More Details >>

    • No：22371
    • 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

  • 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 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　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

11-20 of Total 23

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