Features Good Material The use of high quality PC material to ensure a firm connection has a long service life for long-term use. Reliable Work: comes with low electrical resistance as well as good electrical conductivity, very safe and reliable. Wide Utility:Allows a wide application in startup, rotation reversal, speed control, circuit control and so on. Power Control: 7 position switch allows better voltage control and easier operation of devices. EASY TO INSTALL Designed to have a light weight and compact size, the easy installation can be completed quickly. Specification: Element Type: Switch Material: PC. Specifications: 3 phase 3 wire Nominal insulation voltage: 690 V. Rated heating current: 20 A. Package list: 1 x switch. 4 x screws. Small note: Pay attention to electrical safety when using. Package List 1 x Changeover Switch 4 x Screw