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FAQ within [ Low-voltage Circuit Breakers ]
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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
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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
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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
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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
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It is a method which breaks short circuit current with both upstream and downstream circuit breakers. For example, in the case that short circuit current at ... More Details >>
- No:22357
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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It is a button in order to trip MCCB. It is used for regular inspection of the switching mechanism, and trip condition of MCCB when Alarm switch (AL) and Shu... More Details >>
- No:22444
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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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
- Category: Air Circuit Breakers
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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
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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
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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
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