A.100:100:100B.100:75:100C.100:50:100D.100:100:50E.100:75:150
A.電流速斷保護(hù)B.縱聯(lián)差動保護(hù)C.過負(fù)荷保護(hù)D.失壓保護(hù)E.絕緣檢測保護(hù)