Belimo LM24A-MOD 24V Modulating Damper Actuator

Description

The Belimo LM24A-MOD is a 24V modulating damper actuator engineered for precise, reliable control of dampers in commercial and residential HVAC air-handling systems. Designed for direct-coupled mounting, this non-spring-return actuator delivers smooth modulating control via a 2–10 VDC or 4–20 mA input signal, making it an ideal choice for VAV systems, air handling units, and building automation applications.

Key Features

• 24 VAC/DC operating voltage for broad system compatibility
• Modulating control with 2–10 VDC or 4–20 mA input signal
• Non-spring-return, direct-coupled design for easy installation
• Proportional feedback signal (2–10 VDC) for position monitoring
• Quiet, brushless DC motor for long service life
• Manual override function for convenient commissioning and testing
• Compact, lightweight housing suitable for tight mechanical spaces
• Suitable for use with Belimo LM series damper shaft sizes

Technical Specifications

• Voltage: 24 VAC/DC
• Control Signal: Modulating 2–10 VDC / 4–20 mA
• Feedback Signal: 2–10 VDC
• Torque: 35 in-lb (4 Nm)
• Running Time: Approximately 95 seconds at 60 Hz
• Power Consumption: 1.5 W (running), 0.5 W (holding)
• Ambient Operating Temperature: 32°F to 122°F (0°C to 50°C)
• Ambient Storage Temperature: -40°F to 176°F (-40°C to 80°C)
• Enclosure Rating: IP54
• Agency Listings: UL, CE, cULus

Applications

• Variable air volume (VAV) systems
• Air handling units (AHUs)
• Building automation and energy management systems
• Commercial HVAC zoning and ventilation control
• Economizer and outside air damper control

Why Choose the Belimo LM24A-MOD?

Belimo is the global leader in damper actuator technology, and the LM24A-MOD reflects that heritage with a robust, field-proven design. Its direct-coupled, tool-free mounting eliminates the need for crank arms and linkages, reducing installation time and potential failure points. The integrated manual override and proportional feedback make commissioning straightforward, while the IP54 enclosure rating ensures dependable performance in demanding mechanical room environments. Whether you’re upgrading an existing system or specifying new construction, the LM24A-MOD delivers the precision and durability that HVAC professionals trust.