LiftMaster Model MT
LiftMaster Model MT Commercial Door Operator is designed for standard lift sectional doors up to 14 feet high. It supports up to 12 cycles per hour, making it ideal for light-duty commercial and industrial applications that require reliable, consistent door operation.
BY:
Performance
Operation & Installation
- High-strength dual L-rail track with nylon quiet-gliding chain guides for smooth, quiet operation
- Quick-mount header bracket allows fast swing-up installation
Control & Wiring
- Programmable C2 or B2 wiring options to meet commercial control requirements
- B2 wiring requires an installed Monitored Equipment Protection Device
- Solid-state medium-duty operator/motor control circuit board
- Standard 3-button control station for Open, Close, and Stop functions
Motor & Power
- Powerful 1/2 HP single-phase motor with high starting torque
- Internal automatic reset thermal overload protection
- Motor is removable without affecting limit switch settings
Protection
- Adjustable friction clutch helps protect the door and operator if an obstruction is encountered
- Integrated 90-second maximum run timer
- Spring-loaded disconnect allows emergency manual operation
Drive System & Components
- Drive reduction system with heavy-duty 4L V-belt (first stage)
- Second and third stages use #48 chain
- Heavy-duty oil-filled bushings
- Heavy-duty solenoid-actuated brake standard on model BMT5011U
Construction & Durability
- NEMA Type 1 electrical box
- Heavy-duty 11-gauge steel frame
- Durable powder-coated finish
- All reduction sprockets drilled and pinned to shafts
Warranty
- Backed by a 2-year warranty
Safety
- Built-in 3-channel, 315 MHz radio receiver
- Accepts up to 20 LiftMaster® Security+ remote controls
- Supports an unlimited number of DIP switch remote controls
- 3-button remote controls can be programmed for Open, Close, and Stop functions
- Integrated Timer-to-Close (TTC) automatically closes the door after it reaches the fully open position
- Timer-to-Close is programmable from 5 to 60 seconds in 5-second increments
- Complies with UL 325 standards for monitored entrapment protection
Technical Information
- Control circuit: 24V Class 2 control circuit
- For steel-insulated doors, a 24-gauge back panel is assumed
- Maximum recommended duty cycle: 12 cycles per hour
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What doors is Model MT designed for?
The LiftMaster Model MT is built for standard lift sectional doors up to 14 feet high and is best suited for light-duty commercial and industrial applications.
What is the duty cycle?
The operator supports up to 12 cycles per hour, making it reliable for moderate daily door usage.
Is manual operation available?
Yes. A spring-loaded disconnect allows the door to be operated manually during power outages or emergencies.
What motor does it use?
It uses a ½ HP single-phase motor with high starting torque and automatic thermal overload protection.
What safety features are included?
The Model MT includes an adjustable friction clutch, a 90-second maximum run timer, and meets UL 325 safety standards.
What wiring options are supported?
It offers programmable C2 and B2 wiring options. B2 wiring requires a monitored entrapment protection device.
Does it support remotes and auto-close?
Yes. It supports Security+® remotes, unlimited DIP switch remotes, and includes a programmable Timer-to-Close feature.