Overview
The Belimo NM24A-VST is a non-spring return rotary actuator engineered for Volume Regulation Units (VRU) in HVAC systems. It provides stable 90 in-lb torque and reliable positioning for airflow regulation.
Features
- Non-fail-safe design providing steady 90 in-lb torque output
- Universal shaft clamp for direct mounting to damper spindles
- Electronic overload protection throughout total rotation angle
- Low energy consumption and quiet motor performance
Specifications
- Actuator Type: Non fail-safe
- Torque: 90 in-lb [10 Nm]
- Voltage: AC/DC 24 V
- Running Time: 120 s
- Power Consumption: 4 VA
- Ingress Protection: IP54
Applications
- Airflow modulation in commercial VRU, VAV, and CAV duct systems
- Non-fail-safe damper control in heating, ventilation, and air conditioning units


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