Configuration explains:

This system altogether 2 face screen, with 1 face present one screen and 1 filling surface battery screen, including 20 A / 35 V step-down silicon chain 1 set, DC output for 5 back to control (16 A), 5 rounds brake (32 A), switch. Double road 380 V AC input, automatic switching.

Advantages: The wall hanging power supply have the same characters as dirdirect current cabinet, but is smaller than dirdirect current cabinet. Its convenience