Box Type Power Supply

The box type construction with vivid use and convenient installation has 2 �12V lead-acid storage battery as emergency direct current supply. Stable and dependable and continuous direct current output. The conversion between main electricity and spare electricity in time. The function of charging and maintaining the storage battery, the cutting off and protecting function of over discharging electricity and the very low maintenance for the electric current. Independent self-control off-line type integrated recharge mode and the defensive function of output over loading and the short-circuit, recovering automatically after removing failure. The appropriate examination signal output functions of the main electricity and spare electricity and failure that provide logic data real time for control center. The ability of obstructing and consuming the electric interference.