A.AC220V/5A×2 B.AC220V/52A C.DC220V/5A×2 D.DC220V/52A
A.常閉接點(diǎn) B.常開(kāi)接點(diǎn) C.線圈 D.電源
A.輔助常閉接點(diǎn) B.輔助常開(kāi)接點(diǎn) C.主接點(diǎn) D.線圈