Dual Power Automatic Transfer Switch 4P Rail Mounted Generator Changeover Switch 100A AC110V Item Type: Dual Power Automatic Transfer Switch Material: PC and silver Model: NLQ3 125 4P Rated Current le: 100A Insulation Voltage Ui: AC690V Rated Voltage Ue: AC110V Frequency: 50 or 60Hz Rated Control Voltage US: 110VAC 85% Us to 110% Us Level: PC level Specification: 4P Service Life: Electrical: 2000 times Mechanical: 5000 times Rated Short Circuit Current: 50kA Fuse: RT16 00 63A Rated Impulse Withstand Voltage: 8kV Auxiliary Circuit: 2 relays, each with two sets of contact capacity: AC110V50HZ le=5y Touch time: <50ms Operation Conversion Time:<50ms Return Time: <50ms Closing Time: <50ms