It is a characteristic that operating time inversely become shorter as current increases. For Molded Case Circuit Breake

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

It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow.

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

The range of ambient temperature is from -10 to 40 degree Celsius for not only MCCB but also including Earth Leakage Cir

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

It is possible. Refer to the figure for connection as below.

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

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

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FAQ within [ Molded Case Circuit Breakers ]

21-30 of Total 49

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Inverse time delay operating characteristic

It is a characteristic that operating time inversely become shorter as current increases. For Molded Case Circuit Breakers, protection characteristic meeting... More Details >>
- No：22387
- 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
Instantaneous tripping

It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow. More Details >>
- No：22363
- 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
Ambient temperature

The range of ambient temperature is from -10 to 40 degree Celsius for not only MCCB but also including Earth Leakage Circuit breaker, Earth Leakage Relay and... More Details >>
- No：22352
- 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
Rear stud (B-ST) installed

B-ST is possible. More Details >>
- No：24814
- Release Date：2019/04/09 15:17
3P MCCB in 1-phase 2-wire circuit

It is possible. Refer to the figure for connection as below. More Details >>
- No：24811
- Release Date：2019/04/09 15:18
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
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

21-30 of Total 49

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