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FAQ within [ Low-voltage 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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Storage temperature range of MCCBs and ELCBs
It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing even in a short time. More Details >>
- No:22426
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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Short circuit current calculation software
You can calculate that with MELSHORT 2 (Free of charge). More Details >>
- No:22394
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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Switch disconnector is a switch compatible with IEC 60947-3 standard, and it has no overcurrent tripping element. Please use it as a switch with large switch... More Details >>
- No:22379
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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It is same as the maximum rated operational voltage. More Details >>
- No:22365
- Release Date:2018/08/31 14:33
- Category: Earth Leakage 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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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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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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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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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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