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FAQ within [ Low-voltage Circuit Breakers ]
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A circuit breaker must have interrupting ratings. These are classified as rated short-circuit breaking capacities in IEC 60947-2.e rated ultimate short-circu... More Details >>
- No:22341
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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MCB can be used at 85% or less relative humidity and no condensation. More Details >>
- No:24822
- Release Date:2019/04/09 15:11
- Category: Miniature Circuit Breakers
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Electronic MCCB 400-1600A How to change rated current and characteristic curve (Except CE breakers)
First, turn OFF the upstream circuit breaker and the relevant circuit breaker. You must not work in the state where voltage is applied to the relevant circui... More Details >>
- No:22439
- Release Date:2018/08/31 14:33
- Update:2018/08/31 14:35
- Category: Molded Case 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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Drawout type circuit breaker can be drawn-out and insert to the cradle without taking out the connecting conductor. As ACB is drawn out, it will be "connect ... More Details >>
- No:22431
- Release Date:2018/08/31 14:33
- Category: Air 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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ACB General use Generator protection use
General protection relay (WS) of AE-SW type Air Circuit Breaker has tripping characteristic and function for general use. However, we also provide the replay... More Details >>
- No:22414
- Release Date:2018/08/31 14:33
- Category: Air 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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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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It is an earth leakage current (Effective value of residual operating current) which definitely trips Earth Leakage Circuit Breaker and Earth Leakage Relay ... More Details >>
- No:22353
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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