Features 1、Good Materials: Premium flame retardant PC plastic material has good insulation, high temperature resistance, anti aging, safe and reliable, while the silver contacts can greatly improve the conductivity and service life. 2、2 Operation Modes: Can be operate automatically or manually, millisecond switching without power failure, compact structure, reliable transmission, convenient installation and maintenance, and long service life. 3、Easy Installation: Dual power automatic switch is a miniature household power switch that is mainly used to test whether the main power supply or standby power supply is normal. This product is specially designed for track installation and is dedicated to PZ30 power distribution box. 4、Quick Switching: When the normal power supply is abnormal, the standby power supply works immediately, and millisecond level switching ensures continuous power supply as well as the continuity, reliability, and safety of power supply. 5、Wide Application: Switch to standby power supply when power failure occurs, and switch to main power supply when power restoration occurs. It is suitable for emergency power supply systems with a 50 or 60 Hz AC rating of 230 V. Widely used in various situations where continuous power outages are not allowed. Specification Item Type: Dual Power Automatic Transfer Switch Material: PC, silver. Insulation Voltage Ui: AC 690V Rated Voltage Ue: AC 400V Rated Working Voltage: 230V AC Level: PC Level Specification: 2P Electrical Life: 2,000 Times Mechanical Life: 5,000 Times Rated Short Circuit Current: 50kA Fuse: RT16-00-63A Rated iMpulse Withstand Voltage: 8kv Control Circuit: Rated Control Voltage Us: AC220V 85%-110% Us. Auxiliary Circuit: 2 relays, each relay has two sets of contact. capacity: AC 220V 50Hz, le=5y. Touch Time: <50ms Operation Switching Time: <50ms Return Time: <50ms Closing Time: <50ms Package List 1 x Dual Power Automatic Transfer Switch 1 x User Manual