LiftMaster MH
Medium-duty commercial door hoist
Hoist · AC motor
MH
An AC chain-hoist operator for smaller commercial sectional and rolling doors with moderate daily use.
Up to 14 ft high. Area varies 200–320 sq ft by door material and gauge; 320 sq ft applies to fiberglass sectional, 24-ga rolling steel or aluminum grilles.
Specifications
- Door height
- 14 ft
- Door area
- 320 sq ft*
- Motor
- 1/2 HP AC
- Operating duty
- Max 12/hr; fewer than 50/day
- Power input
- 115/120VAC, single phase
- Battery backup
- No battery backup listed; manual chain hoist
- Solar
- AC supply required
- Travel speed
- 6–9 in/sec*
- Manufacturer warranty
- 2 years, limited
Features
- Emergency chain hoist with interlock
- Solenoid-actuated brake
- Timer-to-close
- Built-in Security+ receiver
*Use brochure p2 door-area chart. Insulated-steel ratings assume a 24-ga back panel. No maximum door weight is published here. Speed comes from the official comparison chart and varies with setup. The current page remains listed alongside MAXUM.
Manufacturer product pageInstalled as part of our automatic gate service, with ongoing gate maintenance.
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