Uninterruptible power supply unit for 12V 1A CCTV systems. Wall-mounted. 220V power supply is connected through three-pole connector with earthing contact. Total current load is 3A. Amout of 12V outputs: 4 connectors for screw. Protection against overload and short circuit of each output by a self-restoring PTC fuse. Range of operating temperatures is from -10 ...to + 40° C. The range of supply voltages is 90-250V.