Belimo NM24A-MOD - rotary actuator for dampers

Belimo NM24A-MOD – actuator for dampers

Communicating rotary actuator designed to position dampers in building services systems. Enables modulating, communicating and hybrid control, and conversion of signals from a connected sensor.

Key features and specifications

• Torque: 10 Nm; nominal voltage: AC/DC 24 V, 50/60 Hz.
• Communication: BACnet MS/TP, Modbus RTU (factory setting), MP-Bus.
• Operating range Y: 2...10 V; adjustable operating range Y: 0.5...10 V; feedback signal U: 2...10 V.
• Motor running time: 150 s / 90°; adjustable running time: 43...173 s.
• Angle of rotation: max. 95°; limited on both sides by adjustable mechanical stops.
• Direction of rotation selected by 0/1 switch; manual override button with lock option.
• Mechanical connection: universal clamp 8...26.7 mm; mechanical position indicator.
• Power and control connection: 1 m cable, 6x 0.75 mm².
• Power consumption during operation: 3.5 W; at rest: 1.4 W; for wire sizing: 6 VA.
• IEC/EN degree of protection: IP54; IEC/EN protection class: III, Safety Extra-Low Voltage (SELV).
• Ambient temperature: -30...50°C [-22...122°F].

The actuator can be mounted directly on the damper shaft. Device parameters can be modified using Belimo Assistant 2.