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FAQ within [ Air Circuit Breakers ]

1-10 of Total 24

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  • 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 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
  • 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 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
  • 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 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
  • 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
  • Release element in neutral (4P breaker)

    AE-SW 4-poles with WS relay (general protection) has overcurrent protection for neutral-pole. The tripping characteristic is same as phase-pole. Moreover, A... More Details >>

    • No:22441
    • 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

1-10 of Total 24

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