Features 1、2 TYPES OF OPERATION: The changeover switch can be operated automatically or manually, milliseconds switching without power failure, widely used in various situations where continuous power failure is not allowed. 2、SUPER FAST SWITCHING: When the normal power supply is abnormal, the standby power supply works immediately, with millisecond switching to achieve the effect of non stop power supply, ensuring the continuity, reliability and safety of the power supply. 3、SILVER CONTACT: The contacts in the automatic transfer switch use silver contacts, which can greatly improve the conductivity and service life of the product. 4、DIN RAIL MOUNTING: Dual power automatic switch designed for rail mounting, specifically for use in the PZ30 distribution box to test whether the main or standby power is working properly. 5、PC HOUSING: The changeover switch is made of PC flame retardant plastic material with good insulation, high temperature resistance, anti aging, safe and reliable. Specification Item Type: Automatic Transfer Switch Material: PC, silver Insulation Voltage Ui: AC690V Rated voltage Ue: AC400V Frequency: 50, 60HZ Rated Working Voltage: 230VAC Rated Control Voltage US: 220VAC 85%Us-110%Us Grade: PC grade Specification: 2P Electrical Life: 2000 times Mechanical Life: 5000 times Rated Short Circuit Current: 50kA Fuse: RT16-00-63A Rated Shock Withstand Voltage: 8kV Auxiliary Circuit: 2 relays, each with 2 sets of contacts Capacity: AC220V50HZ le=5y Touch Time: <50ms Operation Changeover Time: <50ms Return Time: <50ms Closing Time: <50ms Package List 1 x Automatic Transfer Switch 1 x Instruction