Small volume, light weight, hanging type installation.

Continuous multi-channel direct currentoutput is stable.

The conversion between main electricity andspare electricity is in time.

Charge and maintain the storage battery,cut off and protect function when over discharging and very low maintenanceelectric current.

The protection of output overloading andshort-circuit, recovering automatically after removing failure.

Signal output functions for the mainelectricity and spare electricity and failures, provide real time logic datafor control center.

Obstruct and consumethe electric interference.