LiftMaster/Chamberlain Replacement Parts - 41D3452 & 41D4671 Limit Switch Assembly for Chain/Belt & Screw Drive Garage Door Openers

LiftMaster 41D3452 and 41D4671 Limit Switch Assemblies are essential components for maintaining the reliable operation of your garage door openers. Designed to offer precise automatic control, these limit switches ensure your garage door functions smoothly and accurately. The 41D3452 is tailored for chain and belt drive openers, while the 41D4671 is compatible with screw drive openers, providing versatility for various LiftMaster models.

The limit switches feature a physical contact type with a plunger actuator, making them durable and effective for everyday use. Both models are equipped with a modern design available in black and white, blending seamlessly with contemporary garage styles. The 41D4671 assembly includes all necessary installation components, such as brackets and screws, facilitating an easy setup process.

AUTOMATIC OPERATION: Features automatic mode to provide precise and reliable control over garage door movements.
PHYSICAL CONTACT SWITCH: Equipped with a physical contact type limit switch and plunger actuator for dependable operation.
WIDE MODEL COMPATIBILITY: Compatible with multiple LiftMaster models, including 3280, 1346, 3265, 1345, and 3240 series garage door openers.
INCLUDES INSTALLATION PARTS: The 41D4671 model comes complete with brackets and screws for easy installation.
MODERN & FUNCTIONAL: Available in sleek black and white finishes, designed to match modern garage interiors while ensuring effective performance.

Technical Specifications:

• Product Name: Limit Switch Assembly
  
• Model Numbers:
             - 41D3452 (Chain & Belt Drive)
             - 41D4671 (Screw Drive)
  
• Operation Mode: Automatic
  
• Contact Type: Physical
  
• Switch Type: Limit Switch
  
• Actuator Type: Plunger
  
• International Protection Rating: IP00
  
• Connectivity Protocol: Wi-Fi
  
• Color: Black, White
  
• Style: Modern
  
• Warranty: 1 Year

Kit Includes:

• Limit Switch Assembly
  
• Brackets
  
• Screws

Compatibility:

41D3452 Limit Switch Assembly:

• 3280 1/2 HP AC Belt Drive Garage Door Opener
  
• 1346 1/3 HP Dual Sprocket AC Chain Drive Garage Door Opener (Discontinued)
  
• 3265 1/2 HP AC Chain Drive Garage Door Opener
  
• 1345 1/3 HP AC Chain Drive Garage Door Opener

41D4671 Limit Switch Assembly:

• 3240 1/2 HP AC Screw Drive Garage Door Opener

Ensure the efficient and reliable operation of your garage door opener with LiftMaster's Limit Switch Assemblies.