It is the maximum voltage which meets the performance criteria for the rated operational voltage.

MCCB stands for "Molded Case Circuit Breaker." This is defined in the IEC standard, IEC 60947-2 and in the UL standard,

AE-SW 4-poles with WS relay (general protection) has overcurrent protection for neutral-pole. The tripping characterist

Shunt Trip for CP30-BA can be provided. However, the pole of that with Shunt Trip is "Relay type" without overcurrent tr

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

The test position is a position where a main circuit is in the "disconnected" state and only control circuit is in the "

Operating characteristics described in our catalog (if there is no "Note" particularly) mean operating time when it star

It is an earth leakage current (Effective value of residual operating current) which definitely trips Earth Leakage Cir

Please select rated current sensitivity ,according to the protection purpose and the protective grounding resistance val

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

71-80 of Total 123

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Operational voltage

It is the maximum voltage which meets the performance criteria for the rated operational voltage. More Details >>
- No：22367
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
MCCB and MCB as terms

MCCB stands for "Molded Case Circuit Breaker." This is defined in the IEC standard, IEC 60947-2 and in the UL standard, UL 489. MCB stands for "Miniature Ci... More Details >>
- No：22340
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
lower limit of operational voltage for DC

It is DC 24V. More Details >>
- No：24816
- Release Date：2019/04/09 15:17
- Category： Molded Case Circuit Breakers
Release element in neutral (4P breaker)

AE-SW 4-poles with WS relay (general protection) has overcurrent protection for neutral-pole. The tripping characteristic is same as phase-pole. Moreover, A... More Details >>
- No：22441
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
CP30-BA　SHT trip device

Shunt Trip for CP30-BA can be provided. However, the pole of that with Shunt Trip is "Relay type" without overcurrent tripping element. Internal circuit is "... More Details >>
- No：22423
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Equipment
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
- Category： Molded Case Circuit Breakers
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 >>
- No：22405
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
Hot start characteristics

Operating characteristics described in our catalog (if there is no "Note" particularly) mean operating time when it starts to carry current from the conditio... More Details >>
- No：22374
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Rated current sensitivity

It is an earth leakage current (Effective value of residual operating current) which definitely trips Earth Leakage Circuit Breaker and Earth Leakage Relay ... More Details >>
- No：22353
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Select rated current sensitivity

Please select rated current sensitivity ,according to the protection purpose and the protective grounding resistance value of the load equipment. If you alre... More Details >>
- No：22346
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers

71-80 of Total 123

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