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FAQ within [ Air Circuit Breakers ]

1-10 of Total 23

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  • 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

  • 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　terminal connection

    Horizontal connection type (standard: AE-SW up to 3200A except 2000-SWA), Vertical connection (VT) type (standard: 2000-SWA,4000-SWA -6300-SW) and Front conn... More Details >>

    • No：22417
    • 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　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

  • replace AE-SS with AE-SW

    (1) and (2) are impossible. More Details >>

    • No：24818
    • Release Date：2019/04/09 15:03

  • 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　combination Ground fault protection and earth leakage protection

    It is not possible to combine them at the same time. You need to choose one of them. More Details >>

    • No：22419
    • Release Date：2018/08/31 14:33

1-10 of Total 23

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