Belimo NM230A - damper actuator

Belimo NM230A damper actuator

Actuator designed to control air dampers in stationary heating, ventilation and air-conditioning systems. According to the technical data sheet, it is intended for dampers with an area of up to approx. 2 m².

Key features and specifications

• Motor torque: 10 Nm.
• Rated voltage: AC 100...240 V; frequency: 50/60 Hz.
• Control: Open/Close, 3-point.
• Motor running time: 150 s / 90°; maximum rotation angle: 95°.
• Direction of movement selected by switch 0 (counterclockwise) / 1 (clockwise).
• Manual override by push-button with locking option; rotation angle adjustable using mechanical limiters on both sides.
• Mechanical connection: universal clamp 8...26.7 mm; mechanical position indicator.
• Power and control connection: cable 1 m, 3x 0.75 mm².
• Power consumption during operation: 2.5 W; in standby position: 0.6 W; power for wire sizing: 5.5 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 when the end stop is reached. Limit switches are not required.