Model MT
Model T
Model J
Model H
Model MH
Model MG

Model J

PowerMaster Model “J” operators are designed for use on Standard Lift Sectional Doors and Rolling Service Doors and Grilles.



  • 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 & Electrical Interlock (For Manual Operation)
  • Solid State Circuitry with Power and Program Feedback LED’s
  • High Starting Torque Motor with Full Overload Protection
  • Baked on Grey Powder Coat finish