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Home Your Search Open Commercial Door & Gate Operator Parts Circuit Boards
K001A6837

LiftMaster Replacement Logic 4 Circuit Board L4

  • iftMaster replacement logic board (L4) kit for Commercial operators L4 board is UL325 compliant & requires CSPU photoeyes for momentary contact operation
  • Works with LiftMaster operators of all voltages and HP
  • Maintenance Alert System (MAS)
  • Open Mid Stop feature
  • Timer-to-close mode
  • Car dealer mode
  • Maximum run timer (MRT)
  • Same as K001D6837
37520

Doorlec DC-2000 Electronic Circuit Board UL325 Requires Monitored Photocells

  • Works in all Doorlec model openers except R-99
  • Input power to board is 120V
  • 24V DC available on terminals 9 & 11
  • Accessory power on terminals 1 & 11
  • 1 = Stop. 2 = Com. 3 = Open 4 = Close
  • Can be adjusted for constant pressure
    • .......more details
37500

Doorlec DC-2000 Electronic Circuit Board Photocells not Required

  • Works in all Doorlec model openers except R-99
  • Input power to board is 120V
  • 24V DC available on terminals 9 & 11
  • Accessory power on terminals 1 & 11
  • 1 = Stop. 2 = Com. 3 = Open 4 = Close
  • Can be adjusted for constant pressure
    • .......more details
DC200 Logic BoardProduct GuideElectrical Diagram
37502

Doorlec DC-2000 Electronic Circuit Board for Constant Pressure Close

  • Works in all Doorlec model openers except R-99
  • Input power to board is 120V
  • 24V DC available on terminals 9 & 11
  • Accessory power on terminals 1 & 11
  • Programmed to work with constant pressure to close