1.Name:DB1 Changeover Switch . 2.Current :16, 25, 32, 40, 63 or 100A 3. ... , ISO9001 4.Voltage: 230 to 690V AC. Specifications1.Name:DB1 Changeover Switch 2.Current :16, 25, 32, 40, 63 or 100A 3 ... directly three phase asynchronous motor.2)Can be used to changeover from one kind circuit to another.7.Detailed specification:Item ...