Maxum Jackshaft Operators

Jackshaft operators 110-220vac
Jackshaft operators 480vac

Choose your voltage above to see the LiftMaster MAXUM DC jackshaft operators for your building's power supply.

  • 110-220VAC: 120V single-phase or 240V single/3-phase (same model)
  • 480VAC: 480V 3-phase

Need 208V or 600V 3-phase? Choose a 110-220VAC model and add the step-down transformer accessory.

JDC vs RJDC: The JDC is the standard jackshaft operator with battery backup included. The RJDC adds a floor-level manual release sash chain and comes in left-hand or right-hand versions (battery backup sold separately). Both are standard duty, for doors up to 700 lbs.

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