Base Power Supply (4A @ 12/24 VDC field selectable), 4 Relay board integrated logic for controlling security interlocks, auto operators and time delays,
PS904-4RL-FA-BBK Von Duprin Power SupplyBase Power Supply (4A @ 12/24 VDC field selectable) (approx. weight 11 lbs) PS904 is able to accept a total of 2 optional distribution boards.
PS904-KL-4RL-BBK Von Duprin Power SupplyBase Power Supply (4A @ 12/24 VDC field selectable) (approx. weight 11 lbs) PS904 is able to accept a total of 2 optional distribution boards.
PS906-4RL Von Duprin Power SupplyPower Supply 6A - 12/24VDC Select, 4 Relay Board Integrated Logic for Controlling Security Interlocks, Auto Operators and Time Delays
PS902-4RL Von Duprin Power SupplyBase Power Supply (2A @ 12/24 VDC field selectable) (approx. weight 9 lbs) PS902 is able to accept a total of 1 optional distribution board and 1 900-FA board