LiftMaster Opener MGJ

Call 901-521-6875 for pricing, availability, and install in the Mid-South.

Overview

Medium-Duty Logic gear-reduced jackshaft (MGJ) for rolling grilles and shutters. Compact side-mount, floor-level disconnect, 1/2 HP motor, heavy-duty worm-gear reducer. Not MJ (V-belt jackshaft) and not Logic 5.0 J.

Pick this when…

• The opening is a grille or shutter that wants a worm-gear jackshaft — not MJ and not MH.
• See the family comparison chart.

At a glance

• Motor: 1/2 HP high-starting-torque
• Drive: heavy-duty worm-gear reducer
• Disconnect: floor-level (no hoist)
• Warranty: 2 years

Medium-Duty Logic

• UL 325-2010 Medium-Duty Logic board.
• Built-in 315 MHz receiver — up to 20 Security+ remotes or unlimited DIP-switch remotes.
• Factory C2 wiring; B2 needs CPS-U / CPS-UN4 / CPS-EI.
• Timer-to-close 5–60 seconds (5-second steps) when a monitored device is present.
• 90-second maximum run timer.
• 3-button OPEN/CLOSE/STOP station included.

Specs