LiftMaster 041A2822-1 Interrupter Cup for Garage Door Openers

Liftmaster 041A2822-1 Interrupter Cup 

Replacement Interrupter Cup for LiftMaster and Chamberlain Openers

The LiftMaster 041A2822-1 Interrupter Cup is a genuine OEM replacement part used in the RPM sensor assembly of various LiftMaster® and Chamberlain® residential garage door openers. This small yet essential component works with the motor’s optical sensor to monitor rotational speed, ensuring smooth and safe operation of the opener.

Key Features

• Function: Works with the RPM sensor to detect motor rotation and maintain accurate door travel limits
• Compatibility: Fits multiple LiftMaster and Chamberlain residential garage door openers
• Durability: Precision-molded plastic for consistent sensor alignment and long-term reliability
• Maintenance Use: Ideal for replacing worn or damaged interrupter cups to restore proper motor function

Technical Specifications

• Part Number: 041A2822-1
• Alternate Part Numbers: A2822-1
• Type: Motor interrupter cup
• Material: High-strength molded plastic
• Application: Used in RPM sensor assembly on motor shaft
• Compatibility: Select Contractor, Premium, and Elite Series Chain and Belt Drive Openers

Compatible Models

• 2245 – Contractor Series Chain Drive
• 2255 – Contractor Series Chain Drive
• 2265 – Premium Series Chain Drive
• 2280 – Premium Series Belt Drive
• 2565 – Elite Series Chain Drive
• 2580 – Elite Series Belt Drive

Conclusion

The LiftMaster 041A2822-1 Interrupter Cup ensures proper RPM sensor function, maintaining smooth door travel and motor control. As a genuine OEM part, it’s built to factory specifications for precise fit and performance.