Features 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. Specification 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 Package List 1 x Dual Power Automatic Transfer Switch 1 x Manual