The rated current is standard value for continuous current, short time delay current and instantaneous current. Continuo

It is special relay characteristic for selective co-ordination. When closing ACB (changing from OFF to ON), the instanta

When earth leakage current protection module (ER) is attached, it is possible to protect against earth leakage current.

Ground fault protection (GFR) is prepared as option, it is possible to detect and protect against ground fault current.

Y-2005 type field test equipment (it is sold separately) enable to check the operating characteristic easily. The test i

General protection relay (WS) of AE-SW type Air Circuit Breaker has tripping characteristic and function for general use

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

Drawout type circuit breaker can be drawn-out and insert to the cradle without taking out the connecting conductor. As A

It is a standard equipment (automatic reset type) and 30ms of one-pulse is output at overload tripping. Hold-type circui

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FAQ within [ Air Circuit Breakers ]

1-10 of Total 23

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Rated current and continuous current

The rated current is standard value for continuous current, short time delay current and instantaneous current. Continuous current is non-breaking current (c... More Details >>
- No：22371
- Release Date：2018/08/31 14:33
ACB How to use MCR

It is special relay characteristic for selective co-ordination. When closing ACB (changing from OFF to ON), the instantaneous tripping characteristic is effe... More Details >>
- No：22402
- Release Date：2018/08/31 14:33
replace AE-SS with AE-SW

(1) and (2) are impossible. More Details >>
- No：24818
- Release Date：2019/04/09 15:03
ACB　add earth leakage protection

When earth leakage current protection module (ER) is attached, it is possible to protect against earth leakage current. "Trip" or "Alarm signal output" can b... More Details >>
- No：22420
- Release Date：2018/08/31 14:33
ACB Ground fault protection

Ground fault protection (GFR) is prepared as option, it is possible to detect and protect against ground fault current. "Trip" or "Alarm signal output" can b... More Details >>
- No：22412
- Release Date：2018/08/31 14:33
ACB How to check the operating characteristic

Y-2005 type field test equipment (it is sold separately) enable to check the operating characteristic easily. The test is conducted by connecting the test te... More Details >>
- No：22429
- Release Date：2018/08/31 14:33
ACB　General use Generator protection use

General protection relay (WS) of AE-SW type Air Circuit Breaker has tripping characteristic and function for general use. However, we also provide the replay... More Details >>
- No：22414
- 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
ACB　drawout position

Drawout type circuit breaker can be drawn-out and insert to the cradle without taking out the connecting conductor. As ACB is drawn out, it will be "connect ... More Details >>
- No：22431
- Release Date：2018/08/31 14:33
ACB　OCR alarm

It is a standard equipment (automatic reset type) and 30ms of one-pulse is output at overload tripping. Hold-type circuit is necessary since the output time ... More Details >>
- No：22428
- Release Date：2018/08/31 14:33

1-10 of Total 23

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