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Gear Reduced Hoist Operator with DC motor

PowerMaster model D-MG is designed for use on sectional doors with high lift or vertical lift. It can also be used on rolling service doors and grilles.

  • Battery Backup included – up to 100 cycles on battery when used on properly balanced door
  • 1/2 hp DC motor
  • Dual language, 4-line LCD display
  • UL approved circuit board with patented auto safety monitor
  • Onboard radio receiver
  • Direct injection braking
  • Floor level disconnect with chain hoist interlock for manual operation


Cycles Per Hour##
Power Options115V, 1PH
Horsepower1/2HP DC
Battery BackupYES
Travel Speed##
Shipping Weight (approx.)140lbs
D-MG Line Drawing


Gear Reduced Hoist Operator
with DC Motor

Specifications & Features

  • 1/2HP DC motor
  • Power Requirements: 115VAC
  • Battery Back-up
  • High Starting Torque Motor with Full Overload Protection
  • Solid State Circuitry with Power and Program Feedback LEDs
  • On Board Open/Close/Stop buttons for service and adjustments
  • 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.
  • Mechanically Self Locking Gear Reducer (Oil Bath Type)
  • Heavy Duty #50 Roller Chain and drive sprocket Included
  • Floor Level Disconnect w/Chain Hoist Assembly & Electrical Interlock (For Manual Operation)
  • Adjustable Torque Limiting Clutch Optional
  • Baked on, Black Powder Coat Finish
  • Shipping Weight: Approximately 140 lbs
  • Shipping Dimensions: 33″ x 17″ x 20″

Manual / Cut Sheet

Model Options