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FAQ within [ Low-voltage 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 means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an overcurrent flows even if a handle i... More Details >>
- No:22378
- 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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Change Electronic relay characteristics when it is energized
Only electricians who have enough technical knowledge should change the setting of overcurrent tripping and earth leakage tripping characteristics. Moreover,... More Details >>
- No:22409
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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Default setting of electronic breakers
Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified. However, only the pre-alarm is set to... More Details >>
- No:22438
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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Rating of a circuit breaker for transformers primary protection
When making a transformer to energize, a large inrush current may flow. The circuit breaker is therefore required to prevent unwanted trip. The selection of ... More Details >>
- No:22343
- Release Date:2018/08/31 14:33
- Category: Molded Case 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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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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It is possible to attach closely if there is no problem about the insulation distance between live parts such as a terminal bar and load currents are 80% or ... More Details >>
- No:22400
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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It is the number that can be opened/closed per hour under the conditions specified in the standard. More Details >>
- No:22436
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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