... ,residence,etc. 2.conformity with GB6916.1,IDC61008-1 standards. 3.CE 4.ISO 1.The prduct is suitable for power ... to 400V.2.It can mainly used as the chief switch in the terminal combined electrical equipments as well as used ... lightings.3.it is Suitable for mining industry,building,business,residence,etc.4.it is conformity with GB14048.3,IEC60947-3 standards. Isolating switch