Best Choice Belimo LF24-3-S Spring Return Damper Actuator 24 VAC/DC

The Belimo LF24-3-S is a robust spring return damper actuator designed for modulation or on/off control of dampers in HVAC systems. Equipped with a 24 VAC/DC power supply, this actuator boasts a fail-safe spring return mechanism ensuring reliable operation and air tight close off for dampers.

• Direct coupling allows easy installation on a half-inch shaft with optional three-quarter-inch clamp.
• Features true mechanical spring return providing the highest reliability in fail-safe operations.
• Incorporates an auxiliary switch for easy feedback or signal for additional devices.

Product Highlights

This actuator is distinguished by its versatility in control modes, including floating point and on/off control via an auxiliary contact. Its microprocessor-controlled brushless DC motor enhances reliability and extends the lifespan of the unit.

Technical Specifications

• Brand: Belimo
• MPN: LF24-3-S
• Power Supply: 24 VAC/DC
• Torque: 35 lb-in
• Control Types: On/Off, Floating Point
• Fail Safe Mode: Spring return
• Direction of Rotation: Reversible with built-in switch
• Ambient Temperature: -22°F to +122°F
• Running Time: 150 seconds motor, less than 25 seconds spring at nominal temperatures, less than 60 seconds at extreme temperatures
• Weight: 3.8 pounds