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FAQ within [ Low-voltage Circuit Breakers ]
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If switching of neutral pole is not needed, it is possible to use 3-pole MCCB for 3-phase 4- wire circuit. Generally, it is recommended to use 4-pole circuit... More Details >>
- No:22385
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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SHT has a burning prevention switch and it does not burn even if external switch remains "ON" state (After the circuit breaker trips, a burning prevention sw... More Details >>
- No:22355
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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It is possible to produce micro-load AL and AX switch for MCCBs/ELCBs. However, if you need the products compatible with the standards (CE marking product an... More Details >>
- No:22413
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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The number of trip durability by using SHT and UVT is 10% of the opening/closing number including the number of trips by overcurrent, trip button and test bu... More Details >>
- No:22407
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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It is the Earth Leakage Circuit Breaker with rated residual operating current of 30mA or less. More Details >>
- No:22390
- Release Date:2018/08/31 14:33
- Category: Earth Leakage 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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High inst MCCB for transformer primary side
It is a circuit breaker which has higher instantaneous tripping current value in order to prevent unwanted tripping by magnetizing inrush current of a transf... More Details >>
- No:22358
- Release Date:2018/08/31 14:33
- Category: Circuit Breakers for Use in Particular Applications
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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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"a contact" is normally opened contact, and It is also called "NO (Normally Opened) contact". More Details >>
- No:22410
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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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
- Category: Molded Case Circuit Breakers
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