Belimo SM24A - damper actuator

Belimo SM24A damper actuator

Actuator designed for controlling dampers in building services systems. According to the technical data sheet, it can operate air dampers with an area of up to approximately 4 m²; the required torque must be selected according to the installation conditions.

Key features and specifications

• Torque: 20 Nm; nominal voltage: AC/DC 24 V, 50/60 Hz.
• Control: Open/Close, 3-point; motor running time: 150 s / 90°.
• Rotation angle: max. 95°, limited on both sides by adjustable mechanical stops.
• Direction of rotation selected using switch 0 (counterclockwise) / 1 (clockwise).
• Manual override using a push-button with locking option; mechanical position indicator.
• Reversible universal mounting clamp 10...20 mm for mounting on the damper shaft.
• Power and control connection: 1 m cable, 3x 0.75 mm².
• Power consumption during operation: 2 W; in standby: 0.2 W; for cable sizing: 4 VA.
• Degree of protection IEC/EN: IP54; protection class IEC/EN: III, Safety Extra-Low Voltage (SELV).
• Ambient temperature: -30...50°C [-22...122°F].