Features 1、MAIN FUNCTION: Dual power automatic transfer switch, mainly used to test whether the main power supply or standby power supply is normal to ensure continuity, reliability and security. 2、PLASTIC HOUSING: The transfer switch housing is made of PC plastic, flame retardant, high temperature resistant, has good insulation, silver contacts greatly improve electrical conductivity. 3、EASY OPERATION: The transfer switch supports manual and automatic operation, millisecond switching without power failure, reliable transmission, easy installation and maintenance. 4、DIN RAIL MOUNTING: The automatic transfer switch adopts 35mm standard DIN rail installation method, suitable for PZ30 distribution boxes, with stable structure and wide application range. 5、APPLICABLE RANGE: Suitable for emergency power supply system with 50 or 60 Hz AC220V, used in factories, shopping malls and other places where continuous power outages are not allowed. Specification Item Type: Automatic Transfer Switch Material: PC, Silver Rated Current Le: 63A Insulation Voltage Ui: AC690V Rated Voltage Ue: AC400V 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 Control Circuit: Rated Control Voltage Us: AC220V, 85%Us-110%Us Auxiliary Circuit: 2 relays, each with 2 sets of contact capacity, AC220V50HZ le=5y Touch Time: <50ms Operation Switching Time: <50ms Return Time: <50ms Closing Time: <50ms Installation: 35mm Standard DIN Rail Package List 1 x Automatic Transfer Switch 1 x User Manual