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FAQ within [ Low-voltage Circuit Breakers ]
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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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It is possible to attach closely if there is no problem about the insulation distance between live parts such as a terminal bar and load currents are 80% or ... More Details >>
- No:22400
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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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
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Calorific value of the circuit breaker
1. The internal resistance (per pole) is described in the catalog and technical notes. 2. Power consumption (W) = RI^2 x Poles = Resistance (Ω) x Load curre... More Details >>
- No:38025
- Release Date:2021/01/22 17:39
- Category: Molded Case Circuit Breakers
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Release element in neutral (4P breaker)
AE-SW 4-poles with WS relay (general protection) has overcurrent protection for neutral-pole. The tripping characteristic is same as phase-pole. Moreover, A... More Details >>
- No:22441
- 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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This function is equipped in electronic circuit breaker. It outputs an alarm when pre-alarm current setting current (the rated current or less) is over and l... More Details >>
- No:22377
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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(1) and (2) are impossible. More Details >>
- No:24818
- Release Date:2019/04/09 15:03
- Category: Air Circuit Breakers
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It is an internal accessory to test the earth leakage tripping operation by applying voltage remotely. It is possible to make the same control sequence as th... More Details >>
- No:22397
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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It is overcurrent tripping characteristic zone which exceeds the rated current and does not exceed short time tripping zone (If without short time tripping ,... More Details >>
- No:22384
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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