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LJ8900W

LiftMaster Light Duty Jackshaft Door Op. for Sectional Doors

  • Ideal for smaller/lighter commercial doors with light duty cycle requirements
  • MyQ Technology Built-In Wi-Fi Real-Time Alerts
  • Smooth Start/Stop
  • Optional Accesories 877LM Keypad 827LM MyQ Remote LED light 485LM Battery Back-up 841LM Automatic Door Lock 480LMB Alternate Mounting Kit and LC-36A Light Curtain
  • Compatible remotes; 893MAX 891LM 893LM
Installation manualSell sheetBrochureGuide De Produit
LJ8950W

LiftMaster Light Duty Commercial Jackshaft Op. for Rolling Doors

  • Ideal for smaller/lighter commercial doors with light duty cycle requirements
  • MyQ Technology Built-In Wi-Fi Real-Time Alerts
  • Smooth Start/Stop
  • Optional Accesories 827LM MyQ Remote LED light 485LM Battery Back-up 841LM Automatic Door Lock 480LMB Alternate Mounting Kit and LC-36A Light Curtain
  • Powerful Add-Ons 811LM and KPW5/KPW250
LJH-311-1/2-RH

Doorlec 1/2 HP 115V 1PH Jackshaft Operator Right Hand

  • CSA approved
  • Heavy duty industrial type control station open close stop 24V. control circuit
  • Universal mounting right or left
  • Floor level disconnect device electrical and mechanical
  • Emergency chain hoist operation on LJH model only
  • Colour code wiring diagrams
    • .......more details
Technical information
LJH-311-3/4

Doorlec 3/4HP 115V 1PH Jackshaft Operator

  • Nema 4/12 now included (11/2025)
Technical information
LJH-353-1/2

Doorlec 1/2 HP 575V 3PH Jackshaft Operator

  • Heavy duty industrial type control station open close stop 24V. control circuit
  • Universal mounting right or left
  • Floor level disconnect device electrical and mechanical
  • Emergency chain hoist operation on LJH model only
  • Colour code wiring diagrams
  • Rotary type limit switches readily adjustable in both directions
    • .......more details
LJH-353-1-RH

Doorlec 1 HP 575V 3PH Jackshaft Operator

  • Model LJH lasts an average of 10 million cycles
  • Available with ⅓ HP to 1 HP single-phase or three-phase motor and is equipped with self-adjusting solenoid brake
  • LJH installation is universal regardless of side (left or right)
  • Speed is approximately 1.4 feet per second or about 0.3 meters per second
  • Comes equipped with a manual chain hoist
LJH-353-3/4

Doorlec 3/4HP 575V 3PH Jackshaft Operator

Technical information
LJH-383-1/2-RH

Doorlec 1/2 HP 208V 3PH Jackshaft Operator Right Hand

  • Heavy duty industrial type control station open close stop 24V. control circuit
  • Universal mounting right or left
  • Floor level disconnect device electrical and mechanical
  • Emergency chain hoist operation on LJH model only
  • Colour code wiring diagrams
  • Rotary type limit switches readily adjustable in both directions
    • .......more details
Technical information
LLB420-22

Laminated Bumper Black 4" Projection L-Shaped 20" x 22" Sold Individually

  • For use in low to medium traffic loading docks in factories and warehouses.
  • Fabric reinforced rubber pads cut from recycled truck tires.
  • Rubber pads laminated between steel angles and secured with 3/4” rods
  • Bumper is fastened to dock surface with 3/8” steel angles and/or flat plates depending on the model chosen.
  • Wall mounting hole size is 7/8” diameter.
  • This model has angles on both sides
    • .......more details
LLB420-22SF

Steel Faced Laminated Bumper Black 4" Projection L-Shaped 20" x 22" Sold Individually

  • Used on docks where excessive friction from up and down trailer movement occurs (yard jockeys air ride trailers etc.).
  • Can be used in material handling application where medium to heavy dock protection is required
  • “Gliding” heavy-duty steel face is 3/8” thick and independently anchored with elongated holes to face of bumper allowing bumper to compress AND offer high surface abrasion resistance
  • Rubber pads laminated between steel angles and secured with 3/4” rods
  • Bumper is fastened to dock surface with 3/8” steel angles and/or flat plates depending on the model chosen.
  • Bumper is fastened to dock surface with 3/8” steel angles and/or flat plates depending on the model chosen.
    • .......more details
LLB620-22

Laminated Bumper Black 6" Projection L-Shaped 20" x 22" Sold Individually

  • For use in low to medium traffic loading docks in factories and warehouses.
  • Fabric reinforced rubber pads cut from recycled truck tires.
  • Rubber pads laminated between steel angles and secured with 3/4” rods
  • Bumper is fastened to dock surface with 3/8” steel angles and/or flat plates depending on the model chosen.
  • Wall mounting hole size is 7/8” diameter.
  • This model has angles on both sides
    • .......more details
LLB620-22SF

Steel Faced Laminated Bumper Black 6" Projection L-Shaped 20" x 22" Sold Individually

  • Used on docks where excessive friction from up and down trailer movement occurs (yard jockeys air ride trailers etc.).
  • Can be used in material handling application where medium to heavy dock protection is required
  • “Gliding” heavy-duty steel face is 3/8” thick and independently anchored with elongated holes to face of bumper allowing bumper to compress AND offer high surface abrasion resistance
  • Rubber pads laminated between steel angles and secured with 3/4” rods
  • Bumper is fastened to dock surface with 3/8” steel angles and/or flat plates depending on the model chosen.
  • Bumper is fastened to dock surface with 3/8” steel angles and/or flat plates depending on the model chosen.
    • .......more details
LM21AFCB

LiftMaster Advance Fire Control Release Device

  • UL 864 Revision 9 compliant.
  • 3 count obstruction cycling.
  • Selectable 10 20 30 or 60-second time delay on alarm.
  • Test key switch – Floor level testing.
  • Motor voltage sensing.
  • Form C relay output.
    • .......more details
LM21XP

LiftMaster Extended Performance Fire Door Release Device

  • 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
LM21XPBB

LiftMaster Extended Performance Fire Door Release Device with Battery Backup

  • 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
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
LM2W-B

LiftMaster Photoelectric Smoke Detector 12/24VDC Standard 2-Wire (LMPD24-2W)

  • Plug-in detector line mounting base included
  • Large wire entry port
  • In-line terminals with SEMS screws
  • Mounts to octagonal and single-gang back boxes 4-square back boxes or direct to wall or ceiling
  • Stop-Drop N Lock attachment to base
  • Removable detector cover and chamber
    • .......more details
LM4AH-12

LiftMaster Battery 4.5AH 12VDC

  • Designed to fit Fire Fly III Plus Model of Release Device
  • 12 Volts 4.5 AHR (amp hour rating)
  • Dimensions: 4" Depth 2-3/4" Length 3-1/2" Wide
LM56A

LiftMaster Magnetic Proximity Reed Switch

  • Normally Open magnetic sealed reed switch; proximity switch
  • Used for overhead door contacts.
Installation Manual
LMA-1250-LV

Loop Detector with Deflectometer 1 channel 2 output 11 pin 12 - 24 VDC or 24 VAC *** SPECIAL ORDER subject to min dollar amount

  • The LMA-1250-LP operates with extremely low power requirements making it suitable for solar and battery powered applications
  • LMA-1250-LP operates on 12VDC or 24VDC nominal. Power consumption in the No Detect state is less than 4 milliamps at 12 VDC and less than 3 milliamps at 24 VDC
  • With a typical size vehicle over the roadway loop the DEFLECTOMETER® functions as a Sensitivity Meter.
  • The optimum sensitivity setting should provide a reading of “5”. You can adjust the DEFLECTOMETER® reading by using the front panel UP or DOWN sensitivity buttons.
  • Automatic quantitative feedback of the loop system operation ensures that the detector is set to the most optimum sensitivity level to detect ALL vehicles including motorcycles and high-bed vehicles