Dual power switch. PC level Switch less than 8ms no Interrupt. Only for city power and Generator not for PV system and Inverter. Noted: the product works with L+N 220-240V 50-6HzThe transfer switch is made of highquality flameretardant material good insulation high temperature resistance antiaging safe and reliable.The changeover switch builtin regular standby opening signal output port which can be connected with signal indicator light which is convenient for observation outside the cabinet.When the normal power supply is abnormal the backup power supply will work immediately to ensure the continuity reliability and safety of the power supply.The electronic circuit breaker is suitable for switching to the backup power supply when the power is cut off and switching to the main power supply when the power comes in.Type: Dual power switchModel Number: 2P 63Acolor:WhiteMaterial:PCsize:105 x 75 x 104mmPackage Contents:1 x Dual power switchOnly the above package content other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.