PS906-8F-FA-BB Von Duprin Power SupplyBase Power Supply (6A @ 12/24 VDC field selectable) (approx. weight 7 lbs) PS906 is able to accept a total of 3 optional distribution boards.
PS906-4RL-BB Von Duprin Power SupplyBase Power Supply (6A @ 12/24 VDC field selectable) (approx. weight 7 lbs) PS906 is able to accept a total of 3 optional distribution boards.
PS902-KL-8F 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