Genuine LiftMaster XF600VAC12 600V step-down transformer kit for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum 1200 and 2200 operators.
The Maxum ships as a 120/240V or 480V unit; 600V sites need this step-down kit.
Ordering the right part depends on the full model number, which is printed on the operator label. Call GateHouse Supplies if you are not sure — we service these units every day.