LiftMaster K41-0381-000 Toroidal Transformer 700/120VAC-240VAC

The LiftMaster K41-0381-000 Motor, Gearbox & Encoder Kit is an OEM-calibrated rebuild solution for MJ/MJH 1200 chain drive operators equipped with a 1-inch shaft. The kit includes a precision-matched motor, heavy-duty gear reducer, and encoder to restore optimal torque delivery and motion feedback in high-use commercial systems.

This technician-friendly package is perfect for resolving performance degradation, encoder faults, and motor wear—helping reduce on-site service time and boosting operator reliability.

Technician Highlights:

• OEM kit for MJ/MJH 1200 (1” shaft configuration)

• Includes matched motor, gearbox, and encoder assembly

• Fixes torque loss, encoder signal errors, and slow operation

• Drop-in install for faster turnaround and fewer callbacks

• Built to withstand high-cycle commercial applications