Linear MGH3311S 1/3 HP Special Service Gearhead Jackshaft Commercial Door Operator

The MGH SERIES - Special service gearhead jackshaft commercial door operator (for vertical or high lift sectional doors and rolling steel curtain doors) series, manual release, available in 1/3 and 1/2 horsepower, various supply voltages and phases. Not to exceed 25 cycles per hour, 100 cycles per day.

Features

• Solid state control circuit
• Constant pressure required to close if no entrapment devices are installed
• Oil bath worm gear reduction unit
• Self locking gearing
• Adjustable torque limiter
• Release for manual operation
• Motor overload protection
• Wired to accept reversing devices
• Internally adjustable limit switches
• High starting torque, continuous duty motor
• 24-Volt control circuit with OPEN, CLOSE and STOP push 3-button station
• OPEN button (and single button) will automatically override down travel and reverse door to the full open position
• External terminals for single button (residential type) radio control
• TEFC Motor standard on all 3 phase operators