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FAQ within [ Low-voltage Circuit Breakers ]
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lower limit of operational voltage for DC
It is DC 24V. More Details >>
- No:24816
- Release Date:2019/04/09 15:17
- 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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This contact(SBC) is used to auxiliary switch(AXb) contact. When Drawout type ACB is moved from "test" position to "disconnect" position, AXb contact will b... More Details >>
- No:22416
- Release Date:2018/08/31 14:33
- Category: Air Circuit Breakers
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Where UVT power supplied from?
Do not take the control power supply of UVT ("Resettable type" and "Reset prevention type") from the secondary side of the breakers. If taking the control po... More Details >>
- No:22415
- 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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"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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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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AL/AX direct connection to PLC
It is necessary to use AL and AX switches that are suitable for the specification of PLC input unit. Generally AL and AX switch for micro-load are used for i... More Details >>
- No:22398
- 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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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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