Aritech PM842 is a 230 V AC input switch-mode power supply delivering 12 V DC at 2 A for security and low-voltage systems. It provides a 0.5 A charging output for a backup battery of up to 7.2 Ah and houses the electronics in a metal enclosure with two status LEDs. Suitable for intrusion, access-control and small fire-detection panels requiring buffered 12 V supply.