Power supply board 150W, 12A/12V or 6A/24V. Secondary voltage power supply, 5-18V adjustable @ 4A max, class 2 power limited output. 8 relay lock control outputs fused at 3A per output. 8 auxiliary DC outputs fused at 3A per output. Enclosure, Size 24. (20W x 24H x 4.5D) with AMAG backplate