Automatic Transfer Switch 250A 4-Poles AC 110V 220V Grid to Generator IndustrialPower Automatic Generator Transfer Switch Dual Power Generator Changeover Switch

- Series dual power automatic transfer switches are newly developed industrial power transfer switches.This switch is mainly used to test whether the normal or standby power supply is normal.When the narmal power supply is abnormal,the backup power supply will work immediately to ensure the continuity,reliability and safety of the power supply - Auto mode : Common power supply and backup power could be City Grid Power, AC genarator and solar generator. When there is only one power supply is working, the product will automatically switch to that power supply. When the common power supply and the backup power supply are supplied at the same time, the common power supply is used Preferentially - Manual mode : Power supply should be transfered manually by rotating the handle (Attention: in automatic mode, forcibly rotating the power switch handle will cause damage to the transfer switch) - Application: Industrial, residential and various occasions where continuous power failure is not allowed - Function :Auto mode and Manual mode for choise