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

It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing

Large electromagnetic force will be generated between conductors/wires due to fault currents. To prevent deformation and

Switch disconnector is a switch compatible with IEC 60947-3 standard, and it has no overcurrent tripping element. Please

In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structur

Only electricians who have enough technical knowledge should change the setting of overcurrent tripping and earth leakag

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

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

When making a transformer to energize, a large inrush current may flow. The circuit breaker is therefore required to pre

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FAQ within [ Molded Case Circuit Breakers ]

21-30 of Total 49

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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
Storage temperature range of MCCBs and ELCBs

It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing even in a short time. More Details >>
- No：22426
- Release Date：2018/08/31 14:33
How to fix conductors/wires

Large electromagnetic force will be generated between conductors/wires due to fault currents. To prevent deformation and breakage of circuit breakers and con... More Details >>
- No：22424
- Release Date：2018/08/31 14:33
Switch disconnector

Switch disconnector is a switch compatible with IEC 60947-3 standard, and it has no overcurrent tripping element. Please use it as a switch with large switch... More Details >>
- No：22379
- Release Date：2018/08/31 14:33
lower limit of operational voltage for DC

It is DC 24V. More Details >>
- No：24816
- Release Date：2019/04/09 15:17
Degree of protection

In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structure suitable for each purpose. The prot... More Details >>
- No：22443
- Release Date：2018/08/31 14:33
Change Electronic relay characteristics when it is energized

Only electricians who have enough technical knowledge should change the setting of overcurrent tripping and earth leakage tripping characteristics. Moreover,... More Details >>
- No：22409
- 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
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
Rating of a circuit breaker for transformers primary protection

When making a transformer to energize, a large inrush current may flow. The circuit breaker is therefore required to prevent unwanted trip. The selection of ... More Details >>
- No：22343
- Release Date：2018/08/31 14:33

21-30 of Total 49

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