Belimo LM230A - damper actuator

Belimo LM230A damper actuator

The LM230A is an actuator for controlling air dampers in technical building systems. According to the technical datasheet, it is designed for air dampers with an area of up to approx. 1 m².

Key features and specifications

• Motor torque: 5 Nm.
• Rated voltage: AC 100...240 V; frequency: 50/60 Hz.
• Control: Open/Close, 3-point.
• Motor running time: 150 s / 90°; rotation angle: max. 95°.
• Direction of rotation selected by switch: 0 (counterclockwise) / 1 (clockwise).
• Push-button manual override with locking option; rotation angle limited on both sides by adjustable mechanical stops.
• Mechanical connection: universal shaft clamp for 6...20 mm shafts. Mechanical position indicator.
• Power and control connection: 1 m cable, 3x 0.75 mm².
• Power consumption during operation: 1.5 W; in rest position: 0.5 W; power for cable sizing: 3.5 VA.
• IEC/EN degree of protection: IP54; IEC/EN protection class: II, reinforced insulation.
• Ambient temperature: -30...50°C [-22...122°F].

The actuator is protected against overload and stops automatically upon reaching the end position.