automatic power changer-over switch
automatic switch on devices of the backup power
automatic switch on of spare power source
Backup Power Automatic Switch
Double Power Automatic Switch
Double Power Resources Automatic Transforming Switch
intelligent dual power automatic switching switch
Reserve Power Source Automatic Switch Device
spare power automatic switch
Spare Power Source Automatic Switch
standby power supply automatic switch device
automatic converter switch
automatic power control
automatic loader switch
automatic power reduction
automatic power regulation
automatic power controller
automatic power controlling