Liftmaster MH 5011U Commercial Garage Door Opener Medium-Duty Hoist Operator W/ Safety Beams

Model MH is a Medium-Duty Logic hoist operator. It features an adjustable friction clutch, a standard solenoid brake, a high-starting torque motor, a compact design and an emergency chain hoist with an electric interlock.

MEDIUM-DUTY LOGIC TECHNOLOGY

Added Value

•UL325-2010 compliant Medium-Duty Logic programmable integrated circuit board

•Built-in 3-channel, 315MHz radio receiver accepts up to 20 Chamberlain® Security+® or unlimited DIP switch remotes. 3-button remotes can be programmed for OPEN/CLOSE/STOP operation

•Programmable C2 or B2 wiring options (B2 requires CPS-U, CPS-UN4, or CPS-EI)

•Integrated Timer-to-Close (TTC) allows programming from 5 to 60 seconds in 5-second increments. Allows for timed automatic door closure after the door reaches the full open position.

•Monitored safety device CPS-U Safety Beams.

•Itegrated 90-second maximum run timer

•UL325-2010 Monitored Entrapment Capability

•Monitored protection against transient overvoltage conditions

•3-button control station included

STANDARD FEATURES

Motor: Powerful 1/2 HP, 115V single phase motor with instant reverse and internal automatic reset thermal overload. Removable without affecting limit switch settings.

Operator/Motor Control: Solid-state Medium-Duty circuit board.

Control Circuit: 24V NEC Class 2.

Emergency Manual Operation: Model MH provides easy emergency manual operation using a floor level disconnect and an electrically interlocked chain hoist mechanism.

Brake: Heavy-duty solenoid actuated brake standard.

Drive Reduction: First stage heavy-duty 4L V-belt; second and third stages #48 chain.

Bearings: Heavy-duty oil-filled bearings.

Push Button Station: 3-button station for OPEN/CLOSE/STOP functions is standard for all operators. Controls with 1, 2 and 3 buttons are available.

Construction: NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with baked-on powder coat finish, all reduction sprockets drilled and pinned to shafts.

Radio Receiver: 315MHz radio receiver is integral to the Medium-Duty logic board. Accepts up to 20 Security+® remote controls and unlimited DIP switch remote controls.

Friction Clutch: Adjustable friction clutch helps protect against damage to the door and operator should the door meet an obstruction.

Warranty: 2-year warranty.