1、MAIN PURPOSE: Dual power automatic switch is mainly used to test whether the main power supply or backup power supply is normal, rail mounting, dedicated to PZ30 distribution box. 2、GOOD PERFORMANCE: The switch is suitable for 50 or 60Hz rated 400V AC emergency power supply system, with firm structure, reliable conversion, convenient installation and maintenance. 3、APPLICABLE SCENES: Composed of transfer switch and controller, widely used in various situations that can not withstand power failure and can rely on electrical work or manual operation. 4、EXCELLENT MATERIAL: Using flame retardant plastic, with good insulation, high temperature resistance, safe and reliable, and silver contacts greatly improve the conductivity of the switch. 5、UNINTERRUPTED POWER: When the normal power supply is abnormal, the backup power will work immediately without interruption to ensure the continuity, reliability and safety of the power supply. Item Type: Automatic Transfer Switch Material: PC, Silver Insulation Voltage: AC690V Rated Voltage: AC400V Coil Voltage: 230VAC Level: PC Level Specification: 4P Lifespan: 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: 2 Relays, Each Relay Has 2 Sets Of Contacts, Capacity: AC220V50HZ le=5y Touch Time: <50ms Operation Transition Time: <50ms Return Time: <50ms Turn Off Time Time: <50ms 1 x Automatic Transfer Switch 1 x User Manual