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Application of household power distribution box

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When household power distribution box is used, most of them are used indoors, and a few of them are used outdoors. According to the production of household power distribution box, it is equipped with fuse, AC contactor, residual current action protector, capacitor, meter and so on, which will be applied in the manufacturing and design. When in use, the temperature around the distribution box should not be lower than - 5 ℃ to - 25 ℃ if the average value in 24 hours is not more than 35 ℃. For different outlet circuits to install AC contactors with the same capacity, the unbalanced three-phase load should be considered, and the current level of some outlet contactors can not be based on the normal selection model, so the selection should also pay attention to meet the demand.

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