A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installi

IEC 60947-2 is an international standard for circuit breakers. The rated voltage for the applicable circuit breaker is 1

It is forbidden to change the characteristic when the breaker ON. Over current trip and earth leakage trip characteristi

It is a button in order to trip MCCB. It is used for regular inspection of the switching mechanism, and trip condition o

First, turn OFF the upstream circuit breaker and the relevant circuit breaker. You must not work in the state where volt

It is a protection method which only trips the related circuit breaker and other fault-free circuit does not trip and co

It is a method which breaks short circuit current with both upstream and downstream circuit breakers. For example, in th

It is the number that can be opened/closed per hour under the conditions specified in the standard.

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

You can calculate that with MELSHORT 2 (Free of charge).

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FAQ > Low-voltage Power Distribution Products > Low-voltage Circuit Breakers > Molded Case Circuit Breakers

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FAQ within [ Molded Case Circuit Breakers ]

31-40 of Total 49

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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 >>
- No：22422
- Release Date：2018/08/31 14:33
IEC60947-2 standard

IEC 60947-2 is an international standard for circuit breakers. The rated voltage for the applicable circuit breaker is 1000V AC or less, or DC 1500V DC or le... More Details >>
- No：22361
- Release Date：2018/08/31 14:33
Setting change operation while power is on

It is forbidden to change the characteristic when the breaker ON. Over current trip and earth leakage trip characteristics should be changed by a person with... More Details >>
- No：37699
- Release Date：2020/01/18 09:58
How to use Trip button

It is a button in order to trip MCCB. It is used for regular inspection of the switching mechanism, and trip condition of MCCB when Alarm switch (AL) and Shu... More Details >>
- No：22444
- Release Date：2018/08/31 14:33
Electronic MCCB 400-1600A How to change rated current and characteristic curve (Except CE breakers)

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 >>
- No：22439
- Release Date：2018/08/31 14:33
- Update：2018/08/31 14:35
Selective coordination

It is a protection method which only trips the related circuit breaker and other fault-free circuit does not trip and continues power supply in the event of... More Details >>
- No：22366
- Release Date：2018/08/31 14:33
Cascade breaking

It is a method which breaks short circuit current with both upstream and downstream circuit breakers. For example, in the case that short circuit current at ... More Details >>
- No：22357
- Release Date：2018/08/31 14:33
Operating cycles

It is the number that can be opened/closed per hour under the conditions specified in the standard. More Details >>
- No：22436
- Release Date：2018/08/31 14:33
Front to rear connection

It is possible to modify to Rear-connection type by Mitsubishi's certified staff. More Details >>
- No：22399
- Release Date：2018/08/31 14:33
Short circuit current calculation software

You can calculate that with MELSHORT 2 (Free of charge). More Details >>
- No：22394
- Release Date：2018/08/31 14:33

31-40 of Total 49

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