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 >>
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 >>
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 >>
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 >>
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 >>
It is the Earth Leakage Circuit Breaker with rated residual operating current of higher than 30mA but not exceeding 1000mA. We provide the products of "100, ... More Details >>
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 >>
Earth leakage protective coordination
Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit breaker, constant earth leakage current b... More Details >>
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 >>
It is the Earth Leakage Circuit Breaker with rated residual operating current of 30mA or less. More Details >>