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

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

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

This contact(SBC) is used to auxiliary switch(AXb) contact. When Drawout type ACB is moved from "test" position to "disc

It is possible. Refer to the figure for connection as below.

Horizontal connection type (standard: AE-SW up to 3200A except 2000-SWA), Vertical connection (VT) type (standard: 2000-

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

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

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

A circuit breaker must have interrupting ratings. These are classified as rated short-circuit breaking capacities in IEC

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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
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
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
ACB　Shorting B contact (SBC)

This contact(SBC) is used to auxiliary switch(AXb) contact. When Drawout type ACB is moved from "test" position to "disconnect" position, AXb contact will b... More Details >>
- No：22416
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
3P MCCB in 1-phase 2-wire circuit

It is possible. Refer to the figure for connection as below. More Details >>
- No：24811
- Release Date：2019/04/09 15:18
- Category： Molded Case Circuit Breakers
ACB　terminal connection

Horizontal connection type (standard: AE-SW up to 3200A except 2000-SWA), Vertical connection (VT) type (standard: 2000-SWA,4000-SWA -6300-SW) and Front conn... More Details >>
- No：22417
- 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
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
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
Interrupting ratings

A circuit breaker must have interrupting ratings. These are classified as rated short-circuit breaking capacities in IEC 60947-2.e rated ultimate short-circu... More Details >>
- No：22341
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers

1-10 of Total 123

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