Overview
The Belimo NMQ24A-VST is a very fast, non-fail-safe rotary actuator designed for Volume Regulation Units (VRU). Operating with a 4-second runtime, it delivers rapid airflow modulation in high-demand HVAC ventilation setups.
Features
- Ultra-fast 4-second running time for quick system adjustments
- Non-fail-safe rotary operation with 70 in-lb [8 Nm] torque
- Universal shaft clamp allows quick attachment to damper spindles
- High reliability with integrated electronic stall protection
Specifications
- Actuator Type: Non fail-safe
- Torque: 70 in-lb [8 Nm]
- Voltage: AC/DC 24 V
- Control Signal: Modulating 2…10 VDC / Communicative PP
- Running Time: 4 s
- Ingress Protection: IP54
Applications
- Fast-acting air damper control in VAV and CAV terminal units
- Precise volume regulation in commercial VRU climate systems


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