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FAQ within [ Low-voltage Circuit Breakers ]
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Max. operational voltage for AC/DC Common
When it is connected as special connection, AC/DC compatible circuit breaker can be used with DC 250V or more (3-pole type is DC400V and 4-pole type is DC500... More Details >>
- No:22445
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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B-ST is possible. More Details >>
- No:24814
- Release Date:2019/04/09 15:17
- Category: Molded Case Circuit Breakers
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Plug-in type NF1600-SEW produced
It is impossible. More Details >>
- No:24817
- Release Date:2019/04/09 15:16
- Category: Molded Case Circuit Breakers
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Setting change operation while power is on
It is forbidden to change the characteristic when the breaker ON. Over current trip and earth leakage trip characteristics should be changed by a person with... More Details >>
- No:37699
- Release Date:2020/01/18 09:58
- Category: Molded Case Circuit Breakers , Air Circuit Breakers
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How to connect to 2-pole breaker
(1) When "N" is marked on the breaker,connect the N phase wire as marked. (2) When "N" is not marked on the breaker, N phase wire can be connected to eith... More Details >>
- No:37700
- Release Date:2020/01/17 08:58
- Category: Molded Case Circuit Breakers
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How to select at Inverter circuit
Basically you have to consider the effect of harmonic waves, but there are two ways as below. 1. Refer to the recommended rated current by inverter manufactu... More Details >>
- No:22360
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow. More Details >>
- No:22363
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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Earth Leakage Circuit Breaker and Earth Leakage Relay operate at higher than 50% but not exceeding 100% of the rated residual operating current IΔn. The eart... More Details >>
- No:22364
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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High-speed residual operate CBR
It is Earth Leakage Circuit Breaker that the earth leakage trip operating time at the rated residual operating current (IΔn) is within 0.1 sec, and the earth... More Details >>
- No:22380
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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It is overcurrent tripping characteristic zone which exceeds the rated current and does not exceed short time tripping zone (If without short time tripping ,... More Details >>
- No:22384
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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