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Low-voltage Power Distribution Products
FAQ within [ Low-voltage Power Distribution Products ]
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Earth leakage protective coordination
Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit breaker, constant earth leakage current b... More Details >>
- No:22369
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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About Low-voltage Power Distribution Products
Reverse connection is possible (connection of load side terminal as powerside and power side terminal as load side). However, it is necessary toinstall a mag... More Details >>
- No:23286
- Release Date:2018/09/12 15:11
- Category: Motor Starters
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(1) and (2) are impossible. More Details >>
- No:24818
- Release Date:2019/04/09 15:03
- Category: Air Circuit Breakers
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Operating characteristics described in our catalog (if there is no "Note" particularly) mean operating time when it starts to carry current from the conditio... More Details >>
- No:22374
- Release Date:2018/08/31 14:33
- Category: Molded Case 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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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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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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Branch connection for MODBUS RTU communication
No, it is impossible. But Multi-drop connection is possible. For details, refer to connection examples as below. More Details >>
- No:24808
- Release Date:2019/03/27 14:44
- Category: Electrical Indicators , Energy Measuring Units
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Measurable minimum load (ME96SS series).
In case of the input current of less than 0.005 A, the measurement values are as follows: Current: 0 A, Power supply: 0 W, Reactive power: 0 var, Apparent... More Details >>
- No:22155
- Release Date:2018/08/27 16:41
- Update:2020/04/10 16:04
- Category: Electrical Indicators
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Communication failure with the upper system through MODBUS RTU.
Please check the following items. (A) Is the power supplied between MA and MB? (When the power is not supplied, the display does not work.) (B) Is the wir... More Details >>
- No:22182
- Release Date:2018/08/27 16:41
- Update:2020/04/10 17:08
- Category: Electrical Indicators
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