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FAQ within [ Low-voltage Circuit Breakers ]
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No, you must not use 2-pole circuit breaker as 1-pole circuit breaker (series connection as only single phase ). If using it as 1-pole circuit breaker, these... More Details >>
- No:22382
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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How to install cassette type accessories
A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installing in "ON" or "OFF" position. Moreove... More Details >>
- No:22422
- Release Date:2018/08/31 14:33
- Category: Molded Case 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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Residual non-operating current
It is a current that does not leak-trip even if there is ground fault current or leakage current. In the standard, it is 50 % of the rated residual operating... More Details >>
- No:22356
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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Earth Leakage Circuit Breaker and Earth Leakage Relay operate at higher than 50% but not exceeding 100% of the rated residual operating current IΔn. The eart... More Details >>
- No:22364
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structure suitable for each purpose. The prot... More Details >>
- No:22443
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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Inverse time delay operating characteristic
It is a characteristic that operating time inversely become shorter as current increases. For Molded Case Circuit Breakers, protection characteristic meeting... More Details >>
- No:22387
- Release Date:2018/08/31 14:33
- Category: Molded Case 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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The push button is used for testing whether it definitely trips when an earth leakage current occurs. At this test, a Leakage Display button will be come out... More Details >>
- No:22347
- Release Date:2018/08/31 14:33
- Category: Earth Leakage 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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