900-4RL-FA Von Duprin Power SupplyOptional Distrinution Board, 4 Relay board integrated logic for controlling security interlocks, auto operators and time delays with FA
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
Base Power Supply (4A (16A inrush) @ 12/24 VDC field selectable) (approx. weight 9 lbs) PS914 is able to accept a total of 2 optional distribution boards and 2 900-FA boards
