Electronic MCCB 400-1600A How to ch...

First, turn OFF the upstream circuit breaker and the relevant circuit breaker. You must not work in the state where voltage is applied to the relevant circui... More Details >>

B contact of AL/AX

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

Fixed-type and Adjustable-type of V-t...

For Fixed type, the depth from the circuit breaker mounting surface to the panel board front is fixed. Adjustable-type is used when the depth from the circui... More Details >>

ACB　installation type

There are Fixed type and Drawout type. More Details >>

How to install cassette type accessories

A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installing in "ON" or "OFF" position. Moreove... More Details >>

A contact of AL/AX

"a contact" is normally opened contact, and It is also called "NO (Normally Opened) contact". More Details >>

Lifetime with SHT or UVT

The number of trip durability by using SHT and UVT is 10% of the opening/closing number including the number of trips by overcurrent, trip button and test bu... 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 >>

Front to rear connection

It is possible to modify to Rear-connection type by Mitsubishi's certified staff. More Details >>

AL/AX/SHT/UVT terminal markings and w...

The color of terminal identification tube and lead wire is same.For one AL switch, 98/ALa terminal : red, 96/ALb terminal : blue, 95/ALc terminal : grayFor S... More Details >>