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LiftMaster/Chamberlain Replacement Model - LJ8900W/LJ8950W/MJ5011U Commercial Door Operator for Sectional & Rolling Doors (Each)

SKU 710-LMC-LJ8900W
Original price $643.99 - Original price $1,314.44
Original price $643.99
$643.99
$643.99 - $1,314.44
Current price $643.99

GarageDoorProject® exclusively partners with US vendors, ensuring 100% OEM parts with all-new production dates. LiftMaster/Chamberlain LJ8900W/LJ8950W/MJ5011U Commercial Door Operator for Sectional & Rolling Doors

COMPREHENSIVE FACILITY ACCESS SOLUTIONS: LiftMaster's LJ8900W, LJ8950W, and MJ5011U operators offer advanced monitoring and control with built-in Wi-Fi® and myQ Smart Facility Access.

OPTIMIZED PERFORMANCE: Smooth start/stop operation across all models reduces maintenance and extends hardware life, ideal for various duty cycles.

ROBUST SECURITY: Equipped with Security+® technology and compliant with UL 325 Safety Standards for reliable access control.

REAL-TIME ALERTS & EFFICIENCY: myQ Smart Facility Access provides real-time notifications and dock management analytics for improved facility management.

Product Description

LiftMaster LJ8900W, LJ8950W & MJ5011U Commercial Jackshaft Operators Commercial-Grade Door Operators | GarageDoorProject | 100% OEM | US Vendor

Commercial jackshaft operators from LiftMaster, including models LJ8900W, LJ8950W, and MJ5011U, provide reliable and secure door control for commercial overhead doors in various industrial and commercial settings. These commercial jackshaft operators deliver smooth, efficient operation with advanced features designed to enhance security, reduce maintenance, and improve facility management.


LiftMaster’s light duty door operator models LJ8900W and LJ8950W are optimized for light-duty sectional and rolling doors, supporting up to 10 cycles per hour and 25 cycles per day. Both feature a soft start stop motor that minimizes wear on hardware and extends the life of your garage door operators. The built-in Wi-Fi control enables seamless integration with myQ Smart Facility Access for real-time monitoring and alerts. For medium duty applications, the MJ5011U model supports up to 12 cycles per hour and 50 cycles daily, with a powerful 1/2 HP motor suited for larger doors up to 14 feet high and 22 feet wide.


These wall mount operators are UL 325 safety compliant, incorporating sensors to prevent accidents and ensure safe operation. Security+® technology on all models guarantees secure door access by allowing only authorized remote controls. The MJ5011U includes a Timer-to-Close feature programmable from 5 to 60 seconds that automatically closes doors to improve security and energy efficiency.


Key features of these LiftMaster commercial jackshaft operators include:

- Soft start stop motor reduces mechanical wear → lowers maintenance costs
- Built-in Wi-Fi control on LJ8900W and LJ8950W → enables remote monitoring via myQ app
- Security+® technology → protects against unauthorized access
- UL 325 safety compliant with monitored entrapment protection → enhances user safety
- Flexible wall mount installation → fits sectional doors, rolling doors, and grilles
- Timer-to-Close function on MJ5011U → automates door closing for added security
- Supports up to 20 remote controls (MJ5011U) → convenient multi-user access
- Rated duty cycles: LJ8900W/LJ8950W (10 cycles/hr, 25/day), MJ5011U (12 cycles/hr, 50/day)
- Warranty: 2 years limited manufacturer warranty ensures product reliability

Technical specifications highlight precise capabilities:

LiftMaster LJ8900W:

- Power: 120Vac, 60 Hz, 1.5 AMP
- Max door height/weight: 14 ft / 650 lbs
- Speed: 6–8 inches/sec
- Battery backup optional (485LM)

LiftMaster LJ8950W:

- Power: 120Vac, 60 Hz, 1.5 AMP
- Max door height/weight: 12 ft / 650 lbs (max area:168 sq.ft.)
- Speed: 6–8 inches/sec

LiftMaster MJ5011U:

- Power: 115V single-phase, 1/2 HP motor
- Max door height/width:14 ft /22 ft; max area:320 sq.ft.
- Speed:6–9 inches/sec
- Control circuit:24V NEC Class 2

These commercial jackshaft operators from GarageDoorProject® are genuine OEM products manufactured in the USA with new production dates for 2025. They are designed for commercial overhead doors requiring dependable industrial door motors that combine performance with smart technology. Whether you need a light duty door operator or a medium duty jackshaft model, these operators provide secure door control with automatic door closer features that improve facility safety and operational efficiency.


Choose LiftMaster commercial jackshaft operators for your garage or industrial facility to benefit from cutting-edge technology like built-in Wi-Fi control, soft start stop motor operation, robust security protocols, and compliance with UL 325 safety standards. These operators simplify management of rolling door operators while ensuring smooth operation and long service life.


Upgrade your commercial overhead doors today with trusted wall mount operator solutions from GarageDoorProject®—your US vendor for authentic LiftMaster products backed by comprehensive warranties and expert support.

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