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FAQ within [ Molded Case Circuit Breakers ]
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Large electromagnetic force will be generated between conductors/wires due to fault currents. To prevent deformation and breakage of circuit breakers and con... More Details >>
- No:22424
- Release Date:2018/08/31 14:33
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Switch disconnector is a switch compatible with IEC 60947-3 standard, and it has no overcurrent tripping element. Please use it as a switch with large switch... More Details >>
- No:22379
- Release Date:2018/08/31 14:33
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Operating ambient temperature is set to - 10℃ to 40℃. ( However, its average over a period of 24h does not exceed 35℃.) In the case that the ambient temperat... More Details >>
- No:22370
- Release Date:2018/08/31 14:33
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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
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Operating characteristics described in our catalog (if there is no "Note" particularly) mean operating time when it starts to carry current from the conditio... More Details >>
- No:22374
- Release Date:2018/08/31 14:33
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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
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Change Electronic relay characteristics when it is energized
Only electricians who have enough technical knowledge should change the setting of overcurrent tripping and earth leakage tripping characteristics. Moreover,... More Details >>
- No:22409
- Release Date:2018/08/31 14:33
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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
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It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an overcurrent flows even if a handle i... More Details >>
- No:22378
- Release Date:2018/08/31 14:33
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It is the maximum voltage which meets the performance criteria for the rated operational voltage. More Details >>
- No:22367
- Release Date:2018/08/31 14:33
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