UVT is an internal accessory which trips a circuit breaker in the case that circuit voltage decreases from 70% to 35% or

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

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

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

A shunt trip (SHT) is an internal accessory which electrically and remotely trips a circuit breaker. When the supply vol

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

Generally, there is no Mechanical Trip indication of continuous output for AE-SW. It is necessary to indicate electrical

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

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

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

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

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UVT

UVT is an internal accessory which trips a circuit breaker in the case that circuit voltage decreases from 70% to 35% or less, and turns it "ON" after resett... More Details >>
- No：22349
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
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
- Category： Air Circuit Breakers
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
- Category： Air 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
How to use SHT

A shunt trip (SHT) is an internal accessory which electrically and remotely trips a circuit breaker. When the supply voltage of the SHT is remained between 7... More Details >>
- No：22342
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
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
- Category： Air Circuit Breakers
ACB trip indication

Generally, there is no Mechanical Trip indication of continuous output for AE-SW. It is necessary to indicate electrically by using OCR Alarm (AL) output or ... More Details >>
- No：22432
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
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
- Category： Air Circuit Breakers
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
- Category： Molded Case Circuit Breakers
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
- Category： Molded Case Circuit Breakers

1-10 of Total 124

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