Linear MO7521S 3-4 HP Extra Heavy-Duty Gearhead Jackshaft Commercial Door Operator

Linear MO7521S 3-4 HP extra heavy-duty gearhead jackshaft garage door operator for vertical or high lift sectional doors and rolling steel curtain doors.

Features

• Solid state control circuit
• Constant pressure required to close if no entrapment devices are installed
• Oil bath gear reduction unit
• Chain hoist with electrical interlock
• #50 Chain and sprocket, 1/2 - 1HP
• #60 Chain and sprocket, 1-1/2 - 2HP
• Solenoid brake standard
• TEFC Motor standard on single phase 1 HP and over, and all 3 phase operators
• Motor overload protection
• Wired to accept reversing devices
• Internally adjustable limit switches
• 24-Volt control circuit with OPEN, CLOSE and STOP 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