The SM24A-SR Belimo Modulating Actuator

July 01 2025 , 7 min reading time

Looking for the Belimo SM24A-SR actuator in the UK? ecospares.co.uk provides trusted, engineer-approved solutions, delivering the SM24A-SR actuator quickly and reliably. Designed for precision HVAC control with exceptional accuracy, this modulating actuator is ideal for technical building installations, handling dampers up to 4 m² effortlessly. Founded by engineers, for engineers, ecospares.co.uk promises expert advice, rapid UK-wide delivery, and our exclusive Gold Standard Guarantee—ensuring you always get the right part. Order today and simplify your HVAC installations!

When it comes to finding reliable HVAC components, the Belimo SM24A-SR actuator stands out as a top choice among UK engineers. ecospares.co.uk proudly supplies the SM24A-SR, a high-quality, modulating damper actuator renowned for its precision, durability, and ease of use. We understand your urgency, and with our express delivery service, you'll get your Belimo products exactly when you need them.

Why Choose the Belimo SM24A-SR Actuator?

The Belimo SM24A-SR actuator isn't just another part—it's a vital component in precision HVAC installations. Let’s take a closer look at what makes this actuator so popular.

Exceptional Performance & Precision

The SM24A-SR is engineered for accurate control, featuring modulating control signals ranging from 2 to 10 V. With a torque rating of 20 Nm and an operating area of up to approximately 4 m², it ensures precise adjustment of damper positions, improving overall efficiency in ventilation systems.

Robust Technical Specifications

Belimo designed the SM24A-SR for robust performance. The actuator is capable of running in temperatures ranging from -30°C to 50°C, making it suitable for various UK climates and installations. Additionally, it consumes only 2W during operation, providing energy efficiency and cost-effectiveness.

Detailed Technical Specifications of SM24A-SR

Before making your purchase, understanding the technical specifications of the SM24A-SR ensures you make the right choice for your application.

Power & Voltage Requirements

Operating on a nominal voltage of AC/DC 24 V, the actuator’s voltage range of 19.2-28.8 V provides flexibility for UK electrical standards. Its low power consumption—2W in operation and just 0.4W at rest—ensures minimal energy costs.

Modulating Control & Position Feedback

With modulating control signals (2 to 10 V), the SM24A-SR provides reliable position feedback, enabling you to track the actuator’s exact position easily. This ensures enhanced system diagnostics and smoother operational control.

Safety and Certification

Safety is paramount, and Belimo has not compromised. The SM24A-SR is certified according to stringent IEC/EN standards, featuring IP54 protection and UL compliance, ensuring safe and reliable operation.

Installation Made Easy – Simplify Your Work

ecospares.co.uk recognizes your challenges and ensures the SM24A-SR offers straightforward installation options.

Direct Mounting and Universal Shaft Clamp

Featuring a universal shaft clamp (10-20 mm), the SM24A-SR simplifies direct mounting to damper shafts. It comes with a convenient anti-rotation device, ensuring stability and ease during installation.

Easy Manual Override System

The actuator includes a push-button manual override that’s easy to operate and lock. This feature provides flexibility during installation or emergency overrides, simplifying troubleshooting and maintenance.

Why Buy Your SM24A-SR from ecospares.co.uk?

At ecospares.co.uk, we understand your needs because we’ve experienced them first-hand.

The Gold Standard Guarantee

We stand by our promise: get the correct part or your money back. This Gold Standard Guarantee ensures risk-free purchases and complete peace of mind.

Express Delivery Throughout the UK

We recognise the urgency of your projects. That's why we offer next-day delivery on all stocked SM24A-SR actuators, ensuring minimal downtime.

Applications of the Belimo SM24A-SR Actuator

Ideal for HVAC and Technical Building Installations

Perfect for HVAC systems, the actuator provides precise damper control, enhancing air quality, and ensuring optimal ventilation.

Suitable for Dampers up to 4 m²

Its robust design supports dampers up to 4 m², catering to a wide range of installations from residential to commercial.

Available Accessories for the SM24A-SR at ecospares.co.uk

At ecospares.co.uk, we understand that having the right accessories for your actuator can greatly enhance its performance and adaptability. Here’s a brief overview of what’s available for the Belimo SM24A-SR actuator.

Electrical Accessories

We provide a range of electrical accessories that pair perfectly with your SM24A-SR actuator, including:

Auxiliary Switches (S1A & S2A): Easily add an auxiliary switch for extended functionality and control.
Feedback Potentiometers (P140A, P1000A, P10000A): Precisely monitor actuator positions with various potentiometer options.
Signal Converters (Z-UIC): Convert actuator signals for advanced monitoring and control.

Mechanical Accessories

To simplify and streamline your installation process, our mechanical accessories include:

Actuator Arms (AH-20): Reversible standard shaft clamp arms for precise alignment.
Shaft Extensions (AV12-25-I, AV8-25): Extend the actuator shaft length for challenging installations.
Ball Joints and Crank Arms (KH8, KG10A): Enhance actuator connectivity for improved system integration.

Frequently Asked Questions (FAQs)

What voltage does the SM24A-SR operate on?

The Belimo SM24A-SR operates on AC/DC 24 V, compatible with UK electrical systems.

How do I manually override the actuator?

It features an easy-to-use manual override push-button that disengages the gear temporarily, allowing manual control during installations or emergencies.

Is this actuator suitable for outdoor installations?

The SM24A-SR is suitable for outdoor use only if protected from direct exposure to seawater, snow, ice, and aggressive gases, ensuring conditions remain within technical specifications.

How soon can ecospares.co.uk deliver this actuator?

ecospares.co.uk offers next-day delivery on stocked items across the UK, ensuring rapid response to your project needs.

Can I return the product if I buy the wrong part?

Absolutely. We offer a Gold Standard Guarantee, which promises either the correct part or your money back, providing peace of mind.

What’s included in ecospares.co.uk’s Gold Standard Guarantee?

Our guarantee includes expert technical advice, assurance of receiving the correct part, and next-day delivery on stocked items. If the wrong part is delivered, we will exchange or refund promptly.

Place Your Order Today and Get Fast UK Delivery!

The Belimo SM24A-SR actuator is available right now at ecospares.co.uk. As trusted suppliers of Belimo products across the UK, we take pride in our exceptional customer service, rapid delivery, and expert technical support. Whether you’re an experienced engineer or a DIY enthusiast, we're ready to help you choose the right product with confidence.

Ordering from ecospares.co.uk is easy:

Visit ecospares.co.uk
Search for SM24A-SR actuator
Place your order online or contact our expert team for personalised assistance.

Act today and benefit from the reliability, quality, and exceptional support that thousands of UK professionals have come to rely on!

Conclusion

When precision, reliability, and fast delivery matter, the Belimo SM24A-SR actuator from ecospares.co.uk is your best choice. Engineered for demanding HVAC applications and backed by a company that genuinely understands your needs, the SM24A-SR is more than a product—it's a solution to your engineering challenges. Trust ecospares.co.uk, and experience the ease of obtaining the right parts when you need them most.