Overview
The Belimo NKQ24A-VST is a high-speed, electronic fail-safe rotary actuator for Volume Regulation Units (VRU). Featuring a fast 4-second runtime, it provides rapid safety positioning and precise control in commercial ventilation installations.
Features
- Rapid 4-second motor and fail-safe running time for high-speed response
- Electronic fail-safe action ensures rapid emergency positioning
- Compact design offering 54 in-lb [6 Nm] torque for small-to-medium VRU dampers
- IP54 enclosure for protection in technical building environments
Specifications
- Actuator Type: Electronic fail-safe
- Torque: 54 in-lb [6 Nm]
- Voltage: AC/DC 24 V
- Running Time (Motor/Fail-safe): 4 s
- Ingress Protection: IP54
- Air Damper Area: Up to approx. 4 m²
Applications
- High-speed fail-safe damper control in VAV and CAV building installations
- Rapid response air volume regulation in VRU systems


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