Belimo LM24 Actuator24V Non-Spring Return Damper Actuator for HVAC Systems

The Belimo LM24 is a reliable, low-voltage non-spring return actuator designed for modulating or two-position control of dampers in HVAC systems. Compact and efficient, the LM24 delivers 35 in-lb of torque and operates on 24V AC/DC, making it ideal for small to medium-sized air dampers in ventilation and air handling units.

Qty 1 in stock

Technical Specifications

  • Model: LM24
  • Power Supply: 24V AC/DC ±20%
  • Control Type: On/Off or Floating Point (via wiring configuration)
  • Torque: 35 in-lb (4 Nm)
  • Running Time: 150 seconds (motor-driven)
  • Rotation Angle: Max 95° (adjustable with mechanical stops)
  • Direction of Rotation: Reversible with wiring
  • Manual Override: Push-button disengagement
  • Position Indicator: Visual mechanical scale
  • Protection Class: IP42 (IP54 optional with cover)
  • Ambient Temperature Range: -22°F to +122°F (-30°C to +50°C)
  • Humidity: 5–95% RH non-condensing
  • Mounting: Direct mount with universal clamp for 3/8″ to 5/8″ (10 to 16 mm) round shafts
  • Noise Level: <35 dB(A)
  • Power Consumption:
  • Running: 2.5 W
  • Holding: 0.2 W
  • Certifications: UL, cUL, CE
  • Condition: New

Key Features

  • Low-voltage operation for energy-efficient HVAC control
  • Manual override with mechanical position indicator
  • Suitable for air dampers up to 10 sq ft (with proper sealing)
  • Maintenance-free design with overload protection
  • Simple direct shaft mounting—no additional linkages required
  • Compatible with on/off and floating point control systems

Compatible Accessories

  • ZG-LMSA shaft extension kits
  • ZG-109 mounting bracket
  • Weather protection enclosures
  • Auxiliary switch kits

Industry Applications

  • Air handling units
  • Ventilation systems
  • VAV terminal units
  • Damper control in zoning or building automation

Installation & Maintenance Notes

  • Ensure proper voltage supply and wiring configuration
  • Mount actuator directly to shaft using included clamp
  • Adjust mechanical stops to limit rotation if needed
  • Use position indicator to confirm damper alignment
  • No routine maintenance required

 

We ship this product worldwide! Delivery is normally stock.

Request a Quote now or call us at 1-800-755-2883 for expert assistance.

Get A Quote

Fill in the form below, or call us now at 1-800-755-2883

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Full Product Catalog

See our comprehensive product catalog!