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FAQ within [ Low-voltage 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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It means a space between the edge of a exhaust port and panel component ( such as wall or duct) of a circuit breaker. The arc space is needed for smoothly di... More Details >>
- No:22373
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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F-type and V-type operating handle
Both of F-type and V-type can remotely operate a circuit breaker in the panel board and the design of 800A fame or less are unified. Features are as follows.... More Details >>
- No:22389
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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A shunt trip (SHT) is an internal accessory which electrically and remotely trips a circuit breaker. When the supply voltage of the SHT is remained between 7... More Details >>
- No:22342
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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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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It is special relay characteristic for selective co-ordination. When closing ACB (changing from OFF to ON), the instantaneous tripping characteristic is effe... More Details >>
- No:22402
- Release Date:2018/08/31 14:33
- Category: Air 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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Fixed-type and Adjustable-type of V-type Operating handle
For Fixed type, the depth from the circuit breaker mounting surface to the panel board front is fixed. Adjustable-type is used when the depth from the circui... More Details >>
- No:22433
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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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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The test position is a position where a main circuit is in the "disconnected" state and only control circuit is in the "connected" state. Control circuit che... More Details >>
- No:22405
- Release Date:2018/08/31 14:33
- Category: Air Circuit Breakers
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