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 >>

EAL

EAL (Earth Leakage Alarm switch) is a switch that electrically displays tripping state of Earth Leakage Circuit Breaker by eartheleakage/ground fault. EAL do... More Details >>

ELCB High-sensitivity

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

CCC certification

All our products are compliant with CCC (China Compulsory Certification). 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 >>

Type name of the operating handle

F-2SV is standard, F-2SVE is for emergency use. The difference is the color of the handle and its surroundings parts. More Details >>

How to connect to 2-pole breaker

(1) When "N" is marked on the breaker,connect the N phase wire as marked. (2) When "N" is not marked on the breaker, N phase wire can be connected to eith... More Details >>

Horizontal allowable distance when in...

Flatness of mounting plane: 1 mm or less.In addition, it is necessary to consider the horizontality of the panel. More Details >>

MCB relative humidity

MCB can be used at 85% or less relative humidity and no condensation. More Details >>

B contact of AL/AX

"b contact" is normally closed contact, and It is also called "NC (Normally Closed) contact". More Details >>