... Switch . 2.Current :16, 25, 32, 40, 63 or 100A 3.Approval: UL , ISO9001 4.Voltage: 230 to 690V AC. Specifications1 ... Switch 2.Current :16, 25, 32, 40, 63 or 100A 3.Approval: UL , ISO90014.Voltage: 230 to 690V AC5.Frequency: 50Hz6 ... be used to start, stop, forward or backward directly three phase asynchronous motor.2)Can be used to changeover from one kind circuit ...