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从温升的角度谈断路器在低压柜内的降容
source link: https://zhuanlan.zhihu.com/p/33327961
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某网友的提问：微断、塑壳、框架断路器额定电流最大值都等于壳架等级电流，那么在工程设计中是否够使用250/250A的断路器？他理解是可以使用，但是单位里的老工程师却建议，选用断路器如果要选用250A这一档，最好使…
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