1.Name:DB1 Changeover Switch . 2.Current :16, 25, 32, 40, 63 or 100A 3. ... 4.Voltage: 230 to 690V AC. Specifications1.Name:DB1 Changeover Switch 2.Current :16, 25, 32, 40, 63 or 100A 3 ... AC5.Frequency: 50Hz6.Application:1)Can be used to start, stop, forward or backward directly three phase asynchronous motor.2)Can ...