Belimo 24V AC/DC Modulating Damper Actuator 20 Nm SM24A-SR

Belimo SM24A-SR modulating Damper Actuator is engineered for precise HVAC air and thermal management control, operating on 24V AC/DC power with a motor torque of 20 Nm. This rotary/louver actuator supports damper shafts sized between 10mm and 20mm and handles a maximum damper area of 4 square meters, making it ideal for medium to large ventilation systems in industrial and commercial settings.

The actuator features a maintenance-free stall torque technology that eliminates the need for end switches, providing reliable modulation control. It operates quietly at 45 dBA and functions effectively across a wide ambient temperature range from -30°C to 50°C. Its IP54 rated enclosure ensures protection against dust ingress and water splashes, suitable for various demanding environments.

Additional operational conveniences include a manual pushbutton override and a direction change switch for straightforward installation and servicing. Its running time of 150 seconds and 95° angle of rotation suit precise airflow regulation. Optional auxiliary switches are available to enhance control functionalities.

Manufactured in Switzerland, this Belimo actuator meets international quality standards, ensuring durability and performance in HVAC, industrial air conditioning, water treatment, and manufacturing applications. It is compatible with all leading HVAC control systems and is ideal for installations requiring high torque modulating dampers.

Compatible with round and square damper shafts between 10mm and 20mm. Robust stall torque technology eliminates the need for end switches. Low power consumption of 2W supports energy-efficient operation. IP54 rating offers reliable dust and water splash protection.

Wide operating temperature range supports environments from -30°C to 50°C. Quiet operation with noise level of 45 dBA for minimal sound disturbance. Manual override and direction change switch enhance operational flexibility.

Maximum damper area control up to 4 square meters suitable for large HVAC systems. Reliable running time of 150 seconds with 95° rotation angle. Manufactured in Switzerland with high standards of quality. Explore more Belimo actuators and HVAC control devices within the EnvMart catalog for comprehensive industrial and commercial automation solutions.