Dual Power Automatic Transfer Switch 3P Millisecond Fast Switching Timing Controller AC220V Rail Type ATS Mains to Motor 63A Item Type: Dual Power Automatic Transfer Switch Model: NLQ5 100 3P Material: PC flame retardant, silver Insulation Voltage Ui: AC690V 50Hz Rated Voltage Ue: AC400V 50Hz Level: PC level Specifications: 3P Rated Control Voltage US: 220VAC 85%Us-110%Us Life: Electrical: 2000 Times; Mechanical: 5000 Times Rated Short Circuit Current: 50kA Fuse: RT16-00-63A Rated Impulse Withstand Voltage: 8kV Auxiliary Circuit: Two relays, Each Relay Has Two Sets of Contacts Capacity: AC220V50HZ le=5y Touch Time: <50ms Operation Transition Time: <50ms Return Time: <50ms Off Time: <50ms Size(LxWxH): Approx. 126 x 95 x 69mm / 4.96 x 3.74 x 2.72in