A.隔離開(kāi)關(guān) B.漏電保護(hù)器 C.斷路器 D.熔斷器
A.0.3mB.0.6mC.0.9mD.1.8m
A.IΔ>30mA,TΔ=0.1S B.IΔ=30mA,TΔ>0.1 C.IΔ>30mA,TΔ>0.1S D.IΔ>30mA,TΔ>0.1S,IΔ·TΔ≯30mA·0.1S