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Center Mounted Gear Reduced Operator

PowerMaster Model CGH operators are designed for use on sectional doors requiring high-speed manual operation in case of power failure.

  • High-starting torque motor with full overload protection
  • Worm gear reduction and solenoid brake
  • 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 with chain hoist interlock for manual operation
Cycles Per Hour##
Power Options115V, 230V, 460V
Horsepower1/2 – 1
Battery BackupYES
Travel Speed##
Shipping Weight (approx.)185lbs
CGH Line Drawing


Center Mounted Gear Head Operator

Specifications & Features

  • Available Horsepower: 1/2 HP – 1 HP
  • Power Requirements: 115/230V 1 phase; or 208/230/460V 3 phase
  • High Starting Torque Motor with full overload protection
  • Heavy Duty Worm Gear Reduction and Solenoid Brake
  • 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
  • Terminals labeled and grouped by function
  • Field adjustable built in functions including: timer to close, mid-stop, delay on reverse, lock bar sensing, maximum run time, etc.
  • Heavy Duty #50 Roller Chain and Driven Sprocket for Final Drive Included
  • Adjustable Torque Limiting Clutch
  • Positive Chain Driven Rotary Limit Switches
  • Floor Level Disconnect & electrical interlock switch (for manual operation in case of power failure)
  • Baked on, Black Powder Coat Finish
  • Shipping Weight: approx. 185 lbs
  • Shipping Dimensions: 28″ x 24″ x 20″

Manual / Cut Sheet

Wiring Diagrams

Model Options