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FAQ within [ Low-voltage Circuit Breakers ]
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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
- 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 applicable voltage is 440V or less. Moreover, High-speed type can be used from 85 to 484V, and Time-delay type can be used from 170 to 484V. More Details >>
- No:22421
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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It is the Earth Leakage Circuit Breaker with rated residual operating current of higher than 30mA but not exceeding 1000mA. We provide the products of "100, ... More Details >>
- No:22395
- Release Date:2018/08/31 14:33
- Category: Earth Leakage 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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Earth leakage protective coordination
Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit breaker, constant earth leakage current b... More Details >>
- No:22369
- Release Date:2018/08/31 14:33
- Category: Earth Leakage 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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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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Short circuit current calculation software
You can calculate that with MELSHORT 2 (Free of charge). More Details >>
- No:22394
- 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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