1、SILVER CONTACT: The contacts in the automatic transfer switch use silver contacts, which can greatly improve the conductivity and service life of the product. 2、PC SHELL: The shell is made of safe flame retardant PC material, which has good insulation, high temperature resistance and anti aging. 3、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. 4、DIN RAIL TYPE: This transfer switch is specially designed for track installation and is specially used for PZ30 distribution box. When the normal power supply is abnormal, the standby power supply will start working immediately. 5、WIDE RANGE OF APPLICATION: This switch is mainly used to test whether the main power supply or backup power supply is normal, and is widely used in various places where continuous power failure is not allowed, such as factories, shopping malls, etc. Item Type: Dual Power Automatic Transfer Switch Material: PC, silver Model: CHLT 63/4P Insulation Voltage: AC690V Rated Voltage: AC400V Coil Voltage: 220VAC Level: PC level Specifications: 4P 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: 2 relays, each with two sets of contacts Capacity: AC220V50HZ le=5y Touch Time: <50ms Operation Transition Time: <50ms Return Time: <50ms Off Time: <50ms 1 x Dual Power Automatic Transfer Switch 1 x Instruction