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FAQ within [ Low-voltage Circuit Breakers ]
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Insulating barrier in the package
Use the insulation barrier if they are packed with. If not using that, breaking performance is not guaranteed. For models that the insulation barrier is not ... More Details >>
- No:22406
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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Horizontal allowable distance when installing ACB
Flatness of mounting plane: 1 mm or less.In addition, it is necessary to consider the horizontality of the panel. More Details >>
- No:37698
- Release Date:2020/01/17 17:32
- Category: Air Circuit Breakers
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ELCB applicable to harmonics and surge
Compared with general circuit breakers, Earth Leakage Circuit Breaker applicable to harmonics and surge has earth leakage current detecting characteristic wh... More Details >>
- No:22344
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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MCCB, ELCB and ACB at higher altitudes
In that case, the rated current and the rated voltage shall be reduced. Refer to the table of derating factors as below. More Details >>
- No:24801
- Release Date:2019/04/09 15:17
- Category: Molded Case Circuit Breakers
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Bar terminal material for 400A is aluminum alloy, and for 630A or higher is copper. More Details >>
- No:24819
- Release Date:2019/04/09 15:13
- 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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For Shunt Trip (SHT), it is the time from voltage application to open ACB main contact * AE3200-SW or less, AE4000-SWA: 0.04 sec or less* AE4000-SW to AE6300... More Details >>
- No:22418
- Release Date:2018/08/31 14:33
- Category: Air Circuit Breakers
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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
- Category: Air 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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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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