PowerMaster MG Operator for Sectional Doors, Rolling Service Doors & Grilles

The PowerMaster Model MG is an industrial-duty hoist operator engineered for high lift and vertical lift sectional doors, rolling service doors, and grilles. Built with a continuous-duty, high-torque motor and a heavy-duty #50 roller chain drive, this operator delivers reliable performance in demanding commercial and industrial applications. The MG integrates overload protection, NEMA 1 enclosed controls, and a manual floor-level hoist chain for safe operation during power loss.

Specifications

• Application: Industrial-duty hoist operator for sectional doors (high lift/vertical lift), rolling steel service doors, and grilles
• Motor: High starting torque, continuous duty; overload protection via current-sensing or thermal device
• Controller: Full voltage, heavy-duty motor controller with NEMA 1 enclosed electrical components
• Control Voltage: Transformer reduces control circuit to 24 VAC for safety
• Controls: Standard open/close/stop stations with feedback LEDs
• Limit Switches: Rotary type, field adjustable for accurate door travel control
• Emergency Operation: Floor-level manual hoist chain included
• Drive: Heavy-duty #50 roller chain
• Field Adjustments: Multiple built-in programmable functions
• Horsepower Options: Available in multiple ratings to suit door size and duty cycle
• Voltage Configurations: Multiple single- and three-phase input options available