Genuine LiftMaster K41-0382-000 toroidal transformer for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum JDC7, RJDC7, JHDC7, TDC7.
Sized to both door weight and supply voltage - match both before ordering.
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.