24V 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.