1、Dual Power Automatic Switching: This switch automatically switches to the backup power supply when power failure, and automatically switches to the main power supply when power supply is normal. 2、Silver Contact: The automatic transfer switch uses silver contact, greatly improves conductivity and longevity. 3、Flame Retardant Shell: The shell is made of premium flame retardant plastic, with good insulation, resistance to high temperature, anti aging, safe and reliable. 4、Fast Switching: When the normal power supply is abnormal, the switch switches to the standby power supply in milliseconds, ensuring the continuity, reliability and safety of the power supply. 5、Widely Used: This dual power switch is specially designed for rail installation, widely used in various places where power failure is not allowed, such as factories, shopping malls, nurseries, etc. Item Type: Dual Power Automatic Transfer Switch Material: PC, Silver Insulation Voltage: AC690V Rated Voltage: AC400V Coil Voltage: 220VAC Level: PC level Specifications: 2P 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: 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 1 x Dual Power Automatic Transfer Switch 1 x Manual