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Jackshaft Release Operator

PowerMaster Model RJ operators are designed to allow emergency egress capability and lock bar sensing on rolling service doors and grilles.

  • High-starting torque motor with full overload protection
  • 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
  • Floor level disconnect for manual operation
  • Includes panic release handle


Cycles Per Hour##
Power Options115V, 230V, 460V
Horsepower1/2 – 3/4
Battery BackupNO
Travel Speed##
Shipping Weight
RJ Line Drawing


Jackshaft Release Operator

Specifications & Features

  • Available Horsepower: 1/2 HP – 3/4 HP
  • Power Requirements: 115/230V 1 phase; or 208/230/460V 3 phase
  • High Starting Torque Motor with Full Overload Protection (Removable without affecting limit switch settings)
  • Solid State Circuitry with Power and Program Feedback LEDs
  • Onboard Open/Close/Stop buttons for service and adjustments
  • Includes Panic Release Handle
  • Terminals labeled and grouped by function
  • Auto-Detect monitored photo beam for simplified installation
  • Selectable Operating modes B2, C2, D1, E2, T, TS
  • Field adjustable built in functions including: timer to close, mid-stop, delay on reverse, lock bar sensing, maximum run time, etc.
  • Heavy Duty V-Belt and Chain Reduction, Mechanically Self Locking
  • Heavy Duty #50 Roller Chain and driven sprocket Included
  • Adjustable Torque Limiting Clutch
  • Floor Level Disconnect for manual operation
  • Baked on, Black Powder Coat Finish
  • Shipping Weight: Approx. 85lbs
  • Shipping Dimensions: 27″ x 16″ x 18″

Manual / Cut Sheet

Wiring Diagrams

Model Options