1、MAIN PURPOSE: A miniature household power switch, mainly used to test whether the main power supply or standby power supply is normal to ensure power continuity, reliability and security. 2、OPERATION METHOD: The dual power switch supports manual and automatic operation, millisecond switching without power failure, reliable transmission, easy installation and maintenance. 3、35MM RAIL MOUNT: The automatic transfer switch adopts 35mm standard guide rail installation method, suitable for PZ30 distribution boxes, with a compact structure, and takes less space. 4、DURABLE MATERIAL: The switch shell is made of PC flame retardant plastic, with good insulation, high temperature and aging resistance, the silver contacts greatly improve electrical conductivity. 5、APPLICABLE SCENE: Switch to standby power when power failure occurs, and switch to main power when power failure occurs, widely used in places where continuous power failure is not allowed. Item Type: Automatic Transfer Switch Material: PC, Silver Rated Current Le: 125A Frequency: 50/60HZ Level: PC Level Specification: 4P Service Life: Electrical: 2000 Times; Mechanical: 5000 times Rated Short Circuit Current: 50kA Fuse: RT16-00-63A 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 1 x Automatic Transfer Switch 1 x User Manual