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

For Shunt Trip (SHT), it is the time from voltage application to open ACB main contact * AE3200-SW or less, AE4000-SWA:

It may not trip a fault current or degrade insulation after tripping. When you connect the device in reverse, you must s

The operating handle is an external accessory for a circuit breaker and there is no safety standard for the operating ha

Type AC: Operates with AC Type A: Operates not only with AC but also with pulsating current <Reference> TYPE B: Op

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

CP30-BA AL and AX switch micro-load can be provided. And the number of installation is same as standard AL and AX switch

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

It is a circuit breaker which has higher instantaneous tripping current value in order to prevent unwanted tripping by m

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

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

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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
- Category： Molded Case Circuit Breakers
ACB opening time

For Shunt Trip (SHT), it is the time from voltage application to open ACB main contact * AE3200-SW or less, AE4000-SWA: 0.04 sec or less* AE4000-SW to AE6300... More Details >>
- No：22418
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
Wrong connection in reverse

It may not trip a fault current or degrade insulation after tripping. When you connect the device in reverse, you must select a reverse-connectable model. More Details >>
- No：22345
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Operation handle CE marking

The operating handle is an external accessory for a circuit breaker and there is no safety standard for the operating handle itself. Therefore, there is no C... More Details >>
- No：22408
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
Leakage characteristics

Type AC: Operates with AC Type A: Operates not only with AC but also with pulsating current <Reference> TYPE B: Operates with DC More Details >>
- No：38026
- Release Date：2021/01/22 17:36
- Category： Miniature Circuit Breakers
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
- Category： Molded Case Circuit Breakers , Air Circuit Breakers
CP30-BA micro-load AL/AX

CP30-BA AL and AX switch micro-load can be provided. And the number of installation is same as standard AL and AX switch. However, if multiple AL and AX are ... More Details >>
- No：22427
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Equipment
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
High inst MCCB for transformer primary side

It is a circuit breaker which has higher instantaneous tripping current value in order to prevent unwanted tripping by magnetizing inrush current of a transf... More Details >>
- No：22358
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Use in Particular Applications
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

41-50 of Total 123

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