Genuine LiftMaster CPS-EI 4-wire monitored edge interface for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum JDC, RJDC, JHDC and TDC industrial DC operators.
Interfaces a 4-wire monitored edge to the Maxum control board.
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.
