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FAQ within [ 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
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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
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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
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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
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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
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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
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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
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Large electromagnetic force will be generated between conductors/wires due to fault currents. To prevent deformation and breakage of circuit breakers and con... More Details >>
- No:22424
- Release Date:2018/08/31 14:33
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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
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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
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