Maxum Trolley operators

Trolley operators 110-220vac
Trolley operators 480vac

Choose your voltage above to see the LiftMaster MAXUM DC trolley operators (TDC) 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.

About the TDC: A ceiling-mount DC trolley operator for commercial sectional doors.

  • Door weight: 7 = up to 700 lbs, 12 = up to 1200 lbs, 22 = up to 2200 lbs (2200 models add a holding brake)
  • Duty: S = standard duty (up to 20 cycles per hour), X = extended duty for high-cycle doors
  • Rail / chain: order the door drive chain kit that matches your door height (#48 chain for 700 lb models, #41 chain for 1200 and 2200 lb models)
  • Battery backup: capable, battery kit sold separately
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