Features 1、FAST SWITCHING: When there is an abnormality in the normal power supply, the backup power supply will work immediately, and the switch will not power off to ensure continuous, safe and reliable power supply. 2、PC SHELL: The shell is made of safe flame retardant PC material, which has good insulation, high temperature resistance and anti aging. 3、SILVER CONTACT: Double power automatic switch is a miniature household power switch, the use of silver contacts can greatly improve the conductivity and service life of the switch. 4、EASY INSTALLATION: The switch is compact, reliable transmission, designed for home rail installation and dedicated to the PZ30 distribution box. 5、WIDE APPLICATION: The switch is widely used in various places where continuous power failure is not allowed, such as factories, shopping malls, nurseries, etc. Specification Item Type: Dual Power Automatic Transfer Switch Material: PC, silver Rated Current: 100A Insulation Voltage: AC690V, 50HZ Rated Voltage: AC400V, 50HZ Input Voltage: 220VAC Grade: PC grade Specification: 3P Life Span: Electrical: 2000 times Mechanical: 5000 times Rated Short Circuit Current: 50kA Fuse: RT16-00-63A Rated Impact Withstand Voltage: 8kV Control Circuit: Rated control voltage Us: AC220V 85% Us-110% Us Auxiliary Circuit: 2 relays, each relay has two groups Contact Capacity: AC220V50HZ le=5y Touch Time: <50ms Operation Conversion Time: <50ms Return Time: <50ms Closing Time: <50ms Package List 1 x Dual Power Automatic Transfer Switch 1 x Instruction