Switching power supply (Transformer) in DIN rail format.
It is powered by connection directly to the alternating current (AC 100/240 V) and provides continuous DC power 12 V 2 A. With two outputs. Voltage range 10,8 V ~ 13,2 V and efficiency of 81 %.
A DIN rail is a standardized metal bar 35 mm wide with a cross section hat shaped. It is widely used for mounting electrical elements of protection and control, both in industrial applications and in homes.