Where is the cross reference list for PS800 to PS900 series power supplies?

The following Legacy information is important to understand before cross referencing power supplies:

  1. PS-900 option boards will NOT install onto the legacy power supplies. This includes battery and fire alarm boards.
  2. Legacy option boards (873-4TD, DCM, RCM, etc.) will NOT install onto the PS-900 supplies.
  3. All option boards now switch positive voltage.
  4. If a customer needs to replace a legacy power supply consisting of the following options, then the replacement supply can be built from the cross reference table.
    • No option boards
    • Fire alarm or battery only
    • 2Q only (with or without fire or battery)
    • 871-2 only (with or without fire or battery)
  5. If a customer needs to replace a legacy power supply which contains logic boards then consult Technical Services to confirm that correct replacement hardware is specified.
  6. IMPORTANT: The enclosure sizes are different.
    • PS800 series power supplies are 10" H x 12.5" W x 5" D
    • PS900 series power supplies are 14" H x 12" W x 4" D.
After determining the legacy power supply, refer to the PS-900 Cross-Reference Guide
Von Duprin PS914-4RL power supply replaces the PS873-4TD.

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