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FAQ within [ Earth Leakage Circuit Breakers ]

1-10 of Total 21

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  • Residual non-operating current

    It is a current that does not leak-trip even if there is ground fault current or leakage current. In the standard, it is 50 % of the rated residual operating... More Details >>

    • No:22356
    • Release Date:2018/08/31 14:33
  • High-speed residual operate CBR

    It is Earth Leakage Circuit Breaker that the earth leakage trip operating time at the rated residual operating current (IΔn) is within 0.1 sec, and the earth... More Details >>

    • No:22380
    • Release Date:2018/08/31 14:33
  • Time-delay CBR

    The circuit breaker is designed to attain a predetermined value of limiting non-actuating time corresponding to a given value of residual current. Our time-d... More Details >>

    • No:22351
    • Release Date:2018/08/31 14:33
  • ELCB applicable voltage

    The applicable voltage is 440V or less. Moreover, High-speed type can be used from 85 to 484V, and Time-delay type can be used from 170 to 484V. More Details >>

    • No:22421
    • Release Date:2018/08/31 14:33
  • ELCB Rated insulation voltage

    It is same as the maximum rated operational voltage. More Details >>

    • No:22365
    • Release Date:2018/08/31 14:33
  • ELCB installation

    The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breaker. If used on the secondary side of t... More Details >>

    • No:22372
    • Release Date:2018/08/31 14:33
  • 4-pole type in 100VAC or 110VAC

    The rated operational voltages for them are 200 to 440VAC. If using them in 100VAC or 110VAC circuit, earth-leakage protection does not operate. More Details >>

    • No:24820
    • Release Date:2019/04/09 15:10
  • Select rated current sensitivity

    Please select rated current sensitivity ,according to the protection purpose and the protective grounding resistance value of the load equipment. If you alre... More Details >>

    • No:22346
    • Release Date:2018/08/31 14:33
  • Test button

    The push button is used for testing whether it definitely trips when an earth leakage current occurs. At this test, a Leakage Display button will be come out... More Details >>

    • No:22347
    • Release Date:2018/08/31 14:33
  • Rated current sensitivity

    Earth Leakage Circuit Breaker and Earth Leakage Relay operate at higher than 50% but not exceeding 100% of the rated residual operating current IΔn. The eart... More Details >>

    • No:22364
    • Release Date:2018/08/31 14:33

1-10 of Total 21

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