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75千瓦的空气压缩机要用多少A的漏电断路器

2025-03-15 03:22:51

推荐回答（2个）

回答1：

根据电流计算，空气压缩机其实就是电机设备，功率因数取0.8，
电流是75000÷380÷1.732÷0.8=142.4A
断路器配工作电流的2-3倍，即142.4x（2-3）=284.8-427.2A，开关可以配315A-500A之间的都可以，漏电流配30mA的

回答2：

75KW空压机配13.5立方的冷干机

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