Features Higher Safety: The 3 pin toggle switch is equipped with a transparent cover, ensures high safety throughout operation and is very reliable. Wide application: allows a wide application in homes, hotels, shopping malls, schools, bars, etc. This 220V-380V isolator switch is very convenient. Easy Operation No need to worry about electric shock, the knife switch is very easy to use and also provides excellent durability for long-term use. FOR EASY CONTROL Since the power meter switch is equipped with a conductive brass piece, it is much easier to connect or break the circuit. Quick installation: thanks to its compact size and light weight, the 3P knife switch is very convenient to install within minutes. Specification: Item Type:Electric Knife Switch Poles: 3 poles. Product voltage: 220V 380V Guide material: brass. Product frequency: 50 Hz. Nominal insulation voltage: 660 V. Package list: 1 x electric knife switch. 4 x screws Package List 1 x Electrical Knife Switch 4 x Screw