10kV standby power supply automatic switching device
double power-supply automatic transferring
dual power supply automatic switching over device
Emergency Power Supply Automatic Investment Installment
full automatic power supply controller
Power Automatic Supply Device
Power supply automatic monitor system
reserve automatic power supply
reserve power supply automatic connection
Reserve Power Supply Automatic Connection Device
reverse line power supply automatic switching device
ring network automatic power supply mode
Standby power supply automatic connection
standby power supply automatic switch device
switching supply power supply
active and automatic supply
aircraft automatic power distribution system
Automatic back-up power supply