开关箱中漏电保护器的额定漏电动作电流不应大于( ),额定漏电动作时间不应大于(

练习题库2022-08-02  53

问题 开关箱中漏电保护器的额定漏电动作电流不应大于( ),额定漏电动作时间不应大于( )。A.30MA,0.5AB.20MA,0.5AC.20MA,0.1AD.30MA,0.1A

选项 A.30MA,0.5A
B.20MA,0.5A
C.20MA,0.1A
D.30MA,0.1A

答案 D

解析 开关箱中漏电保护器的额定漏电动作电流不应大于30mA,额定漏电动作时间不应大于0.1s。
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