MJ5011U
LiftMaster MJ5011U Medium-Duty Jackshaft Operator
Medium duty · rolling steel and high-lift sectional doors
For small rolling steel doors and grilles and for high-lift or vertical-lift sectional doors in medium-duty use, up to 12 cycles an hour and 50 a day. Each MJ is set up for your door: we specify the door type, the chain kit for your door height and a photo eye or safety edge.
- Medium-duty programmable logic board
- Built-in 3-channel Security+ receiver, learns up to 20 LiftMaster 315 MHz remotes
- Timer-to-close, programmable from 5 to 60 seconds
- Floor-level emergency release with an interlocked chain hoist
- Commercial Protector System auto-reverses the door if a safety device detects an obstruction
- High-starting-torque motor with overload protection and brake
What's included
- 3-button station (open, close, stop)
- Brake
Specifications
- Max door height
- 14 ft standard
- Max door area
- Up to 320 sq ft, depending on the door (see table)
- Speed
- 8 to 9 inches per second
- Limits
- Mechanical
- Clutch
- Adjustable friction clutch
MJ5011U maximum door area by door type
| Door type | Max sq ft |
|---|
| Rolling: 24 ga. steel, aluminum grilles. Sectional: fiberglass | 320 |
| Rolling: 22 ga. steel, aluminum doors. Sectional: 24 or 22 ga. steel, aluminum doors | 275 |
| Sectional: 20 ga. steel, wood doors, 24 ga. steel insulated | 250 |
| Rolling: 20 or 18 ga. steel, steel grilles | 200 |
| Rolling: 16 ga. steel. Sectional: 16 ga. steel, 20 ga. steel insulated | 160 |
| Sectional: 16 ga. steel insulated | 120 |
Manufacturer warranty: 2 years