75W power supply, 6A/12V or 3A/24V|12V secondary voltage power module. Adjustable 5-18V output @ 4A max, class 2 power limited|4 relay lock control outputs class 2 power limited at 2.5A per output, each output selectable for FAI, failsafe, failsecure|E1 enclosure size 14H x 12W x 4.5D with Mercury back plate