Main switch/Isolator 1.Standard: IEC60947-3 GB14048.3 2.pole:1P,2P,3P,4P 3.rated voltage:230/400V 4.Using type ... to cut off the load circuit. When it works as main switch, it may also trip when some of it's ... .Installation: IEC standard, DIN rail 35mm 2.14.Installation: the main switch be vertically installed, handle up means current connection.2 ...