Belimo LF24 Rotary Damper Actuator 24V AC/DC 4Nm IP54 Spring Return Used

This listing is for a Belimo LF24 rotary spring return damper actuator, made in Switzerland. The actuator is in working used condition. It is well-suited for HVAC, ventilation, and industrial automation systems.

Brand & Model:

• Belimo LF24

• Made in Switzerland

Condition:

• Working used condition

• Minor wear from previous use (see photos for details)

Technical Specifications:

• Torque: 4 Nm (spring return)

• Power Supply: AC/DC 24 V (19.2–28.8 V), 50/60Hz

• Power Consumption: 5 W running, 7 VA for sizing

• Control: Open/close on/off, fail-safe spring return

• Rotation Angle: Max. 95°

• Running Time: 75s (motor, 90°), <20s (fail-safe return)

• Ambient Temperature: -30°C to +50°C (-22°F to +122°F)

• Universal shaft clamp (8–16mm)

• Protection rating: IP54, CE marked

• For dampers up to 0.8 m²

Main Features:

• Reliable spring return mechanism for fail-safe damper control

• Easy electrical wiring and universal shaft coupling

• Durable Belimo quality, made for stationary HVAC setups

• Widely used by professionals for quick replacement and repair of damper systems

Collector/Background Info:
Belimo actuators are highly sought after by industrial maintenance teams, automation hobbyists, and collectors of Swiss engineering equipment. The LF24 series is valued for its robust build and precise control, making it a trusted choice in both new installations and maintenance operations. Ideal for resale, spares, or direct use.