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FAQ within [ Low-voltage Circuit Breakers ]
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It may not trip a fault current or degrade insulation after tripping. When you connect the device in reverse, you must select a reverse-connectable model. More Details >>
- No:22345
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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degrees of protection to IEC60529
The degess of protection for ACB is IP20 as standard (under the condition that front door is closed). For MCCB and ELCB, the degrees of protection can be IP2... More Details >>
- No:24812
- Release Date:2019/04/09 15:18
- Category: Molded Case 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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It is possible to modify to Rear-connection type by Mitsubishi's certified staff. More Details >>
- No:22399
- 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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Bar terminal material for 400A is aluminum alloy, and for 630A or higher is copper. More Details >>
- No:24819
- Release Date:2019/04/09 15:13
- Category: Molded Case Circuit Breakers
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It is possible to reverse-connect if the circuit voltage of UL789 listed products is AC240V or less. Since they are double standard products of UL/CSA and CE... More Details >>
- No:22411
- 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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Calorific value of the circuit breaker
1. The internal resistance (per pole) is described in the catalog and technical notes. 2. Power consumption (W) = RI^2 x Poles = Resistance (Ω) x Load curre... More Details >>
- No:38025
- Release Date:2021/01/22 17:39
- Category: Molded Case Circuit Breakers
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No, you must not use 2-pole circuit breaker as 1-pole circuit breaker (series connection as only single phase ). If using it as 1-pole circuit breaker, these... More Details >>
- No:22382
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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