LiftMaster K74-50278 (Elite Q403) Electronic Box Assembly restricted 000 cycles per day with

000 cycles per day with continuous-duty operation

and error notifications from your Android

Part Number: 2600-688

making it easy to integrate with existing access control systems

LiftMaster K74-50278 (Elite Q403) Electronic Box Assembly restricted 000 cycles per day withReplacement Electronic Box Assembly for SL3000 CSW200 The LiftMaster K74 50278 (Elite Q403) is a genuine electronic box assembly used on select LiftMaster ELITE swing and slide gate operators. It is commonly referenced as Elite Q403 and may also be listed as Q402 depending on the operator configuration and parts breakdown. This assembly is used to restore a damaged or missing electronics enclosure and related internal connections so the operator can