Belimo LMQ24A-SR - actuator for dampers with analogue control

Belimo LMQ24A-SR is an actuator for controlling dampers in building services systems. According to the technical data sheet, it is designed for air dampers with an area of up to approx. 0.8 m².

Key features

• Torque: 4 Nm; rated voltage: AC/DC 24 V.
• Modulating control: 2...10 V; feedback signal: 2...10 V.
• Motor running time: 2.5 s / 90°.
• Rotation angle: max. 95°, limited on both sides by adjustable mechanical stops; minimum permitted rotation angle: 30°.
• Direction of rotation changed using a 0/1 switch; manual override by push-button with locking option.
• Universal shaft clamp for 8...26.7 mm; mechanical position indicator.
• Power and control connection: 1 m cable, 4x 0.75 mm².
• Power consumption during operation: 13 W; at rest: 2 W; sizing power: 23 VA.
• Degree of protection IEC/EN: IP54; protection class IEC/EN: III, Safety Extra-Low Voltage (SELV).
• Ambient temperature: -30...40°C [-22...104°F].

When the power is switched on for the first time, the actuator adapts the operating range and feedback signal to the mechanical adjustment range. Adaptation can also be started using the push-button.