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Home Your Search 1 Chamberlain, LiftMaster Commercial Door & Gate Operator Accessories Access Controls
02-404

LiftMaster Key Switch Assembly On/Off Nema 4/12 **DISCONTINUED

  • Two Position Key Control Station
  • Outdoor Surface Mt. (NEMA 4/12)
  • Non-Tamperproof
  • OPEN/CLOSE spring return to center (OFF) key removable in center position only.
  • Should only be used on operators wired for constant pressure to open and close (all LiftMaster industrial operators with type D control wiring).
  • Die cast metal enclosure
LM21XPBBVB

LiftMaster Extended Performance Fire Door Release Device with Battery Backup and Voice Board ** No Longer Available

  • UL864 Revision 9 compliant
  • Programmable DIP switch delay setting - either 10 20 30 or 60 seconds delay of door release to permit passage clearance
  • Inputs for normally open 2- or 4-wire detectors and 4-wire normally closed detectors
  • Trouble and alarm relays for communication with the fire alarm control panel if required
  • Audible trouble sounder to indicate when the release device is not operational
  • On board diagnostic LEDs for easy troubleshooting
    • .......more details
Installation manual
02-409B

LiftMaster Key Switch with Best Cylinder

  • Two Position Key Control Station
  • Outdoor Surface Mt. (NEMA 4/12)
  • Tamperproof
  • Die cast metal enclosure with BEST cylinder (construction core included)
  • OPEN/CLOSE spring return to center (OFF) key removable in center position only. Should only be used on operators wired for constant pressure to open and close (all LiftMaster industrial operators with type D control wiring).
  • Dimiensions: 3" x 3.2" x 4.2"
    • .......more details
02-111

LiftMaster Pull Switch Assembly *** Available to Extent of Inventory

  • Swivel end
  • Nema 1
  • Same as Pull Cord