Belimo Controls LF24-SR Spring Return Actuator 24V, Modulating Damper Actuator, Rotary HVAC Control Motor 4Nm Torque
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Belimo Controls LF24-SR Spring Return Actuator 24V, Modulating Damper Actuator, Rotary HVAC Control Motor 4Nm Torque
- Manufacturer part number
- LF24-SR
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Description
Product Overview
The Belimo Controls LF24-SR is a 24V modulating spring return actuator designed for reliable control of HVAC air dampers. It delivers 4Nm torque for accurate positioning and safe fail action, helping protect airflow control during power loss. Ideal for professional heating and ventilation control installations and like-for-like replacement jobs.
Key Features
- Spring return safety action – moves to a defined position on power failure for safer ventilation control.
- 24V modulating control – enables smooth, precise damper positioning for stable airflow and energy efficiency.
- 4Nm torque output – suitable for many small to medium HVAC dampers, helping prevent stalling and poor control.
- Ideal replacement actuator – great for maintenance and retrofit work where dependable compatibility is essential.
- Built for HVAC control systems – designed for use with building management systems and heating control applications.
Use Case / Application
Suitable for controlling air dampers in commercial and residential HVAC systems, including air handling units and ventilation ductwork. Commonly used in plant rooms, ceiling voids and service risers, as well as office buildings, schools, retail units and apartment blocks. Designed for applications where a spring return fail-safe position is required, such as smoke control strategies or maintaining minimum airflow on shutdown.
Problem → Solution
Ideal for projects needing dependable modulating damper control with a fail-safe spring return action to maintain safe system behaviour during power interruption.
Product Specifications
• Manufacturer – Belimo Controls
• Manufacturer Part Number (MPN) – LF24-SR
• Product Type – Spring return modulating actuator (damper actuator)
• Typical Applications / Use Cases – HVAC damper control, ventilation systems, air handling units, building management system control, replacement actuator
• Technical Specifications – 24V control, 4Nm torque, modulating control, spring return fail action
Why Buy from BHL
Belimo Controls products are widely specified for dependable HVAC and building controls, with the LF24-SR actuator offering accurate modulating performance and reassuring spring return safety. Buy the Belimo Controls LF24-SR from BHL for competitive pricing and genuine parts. We are a specialist online merchant, trusted by thousands of satisfied customers online since 1998 with thousands of 5 star reviews. Enjoy free* and fast UK delivery, shipped with care from UK warehouses.
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