* It has flexible switching modes, including automatic/manual switching.
* It can configure voltage and current display and power supply working indication function.
* It can select electric energy metering function (use electronic type kilowatt-hour meter).
* It can preassemble 32A-63A oil engine input rapid socket.
* It can match oil engine start timing function.
* It uses steel antiseptic box, and can stably operate in severe environment for long term.
* It has good electric insulation performance.
* It has optional wall-hung type box or floor type cabinet.
* The box has compact structure and attractive appearance, and its size and spraying color can be determined according to customer demands.
* Different waterproof and dustproof grades can be designed according to customer demands to adapt to different outdoor installing environments.
* It has convenient use and maintenance...
The double power box is suitable for switching of AC-DC emergency power supply system with rated operational voltage below 400V and rated current below 400A in dual power, to ensure continuous and reliable operation of electric equipment, and is mainly used for AC-DC power supply system of communication base stations, communication machine rooms and other industries.


