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Gear Reduced Jackshaft Operator

PowerMaster Model D-GJ operators are designed for use on rolling service doors, rolling grilles, and counter shutters.

  • Battery Backup
  • 576 Watts (1/2 HP equivalent), 24 VDC Motor
  • Continuous duty operation
  • Worm gear reducer
  • Solid state circuitry with power and program feedback LEDs
  • Onboard open/close/stop buttons for service and adjustments
  • Floor level disconnect
Cycles Per Hour##
Power Options115V, 1PH
Horsepower1/2HP equivalent
Battery BackupYES
Travel Speed##
Shipping Weight (approx.)90lbs
GJ Line Drawing


Gear Reduced Jackshaft Operator with DC Motor

Specifications & Features

  • Battery Back-up
  • 576 watts (1/2HP equivalent), 24 VDC motor
  • Continuous duty operation
  • Heavy Duty Worm Gear Reduction
  • Solid State Circuitry with Power and Program Feedback LEDs
  • Onboard Open/Close/Stop buttons for service and adjustments
  • Auto-Detect monitored photo beam for simplified installation
  • Selectable Operating modes B2, C2, D1, E2, T, TS
  • Field adjustable built-in functions
  • Floor level disconnect
  • Heavy Duty #41 Roller Chain & Driven Sprocket included
  • Built-in 3-button Control Station
  • Positive Chain Driven Rotary Limit Switches
  • Baked on, Black Powder Coat Finish
  • Shipping Weight: Approx. 90lbs
  • Shipping Dimensions: 27″x16″x18″

Manual / Cut Sheet

Wiring Diagrams

Optional Equipment

  • Adjustable Torque Limiting Clutch
  • Additional Safety Edge (contact safety sensor)
  • Additional Photo Cell (non-contact safety sensor)
  • Control stations and accessories

Model Options