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FAQ within [ Earth Leakage Circuit Breakers ]

1-10 of Total 21

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  • 3P ELCB single phase use

    It is possible to use it if you connect with right and left poles, not neutral pole. Since electronic circuit power supply for earth leakage detection is tak... More Details >>

    • No:22359
    • Release Date:2018/08/31 14:33
  • Rated current sensitivity

    It is an earth leakage current (Effective value of residual operating current) which definitely trips Earth Leakage Circuit Breaker and Earth Leakage Relay ... More Details >>

    • No:22353
    • Release Date:2018/08/31 14:33
  • ELCB Default setting Time-delay type ...

    Both of the adjustment knob is set to the maximum value when shipping in order to prevent unwanted earth leakage tripping when Earth Leakage Circuit Breaker ... More Details >>

    • No:22388
    • Release Date:2018/08/31 14:33
  • ELCB applicable to harmonics and surge

    Compared with general circuit breakers, Earth Leakage Circuit Breaker applicable to harmonics and surge has earth leakage current detecting characteristic wh... More Details >>

    • No:22344
    • Release Date:2018/08/31 14:33
  • ELCB reverse connection

    Almost ELCBs can be connected n reverse. Check the item column of specification table "reverse connection (below 230 V AC)" in the catalog. If it says "Possi... More Details >>

    • No:22434
    • Release Date:2018/08/31 14:33
  • UL ELCBs Reverse connection

    It is possible to reverse-connect if the circuit voltage of UL789 listed products is AC240V or less. Since they are double standard products of UL/CSA and CE... More Details >>

    • No:22411
    • Release Date:2018/08/31 14:33
  • 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
  • ELCB High-sensitivity

    It is the Earth Leakage Circuit Breaker with rated residual operating current of 30mA or less. More Details >>

    • No:22390
    • Release Date:2018/08/31 14:33
  • Time Delay type at the maximum operat...

    The maximum operating time of Time-delay type Earth Leakage Circuit Breaker can be switched to 0.45s, 1.0s and 2.0s. The operating time is:* when it is 0.45s... More Details >>

    • No:22375
    • 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

1-10 of Total 21