BELIMO NM24A-VST

In modern HVAC applications—whether new installs or retrofits—accurate and efficient damper control is central to comfort, energy savings and system reliability. The BELIMO LM24A‑VST actuator addresses these needs with a thoughtfully engineered combination of performance and ease‑of‑installation. With a torque rating of 5 Nm, it’s capable of driving dampers of approximately 1 m² size, a common requirement in commercial or larger residential ventilation zones. The modulating 2–10 V input enables smooth proportional positioning of the damper, avoiding the abrupt movements and noise often associated with basic open/close actuators. The 2–10 V position feedback output provides valuable real‑time verification for building‑automation systems, enabling diagnostics and control verification. Its universal shaft clamp (6–20 mm) means it fits a wide variety of damper shafts, simplifying retrofit or multi‑manufacturer installations. The VST plug‑and‑play connector further accelerates wiring and commissioning—reducing risk of connection errors and saving labor time. Housed in a robust IP54‑rated enclosure, the actuator is built to perform in typical indoor HVAC environments with dust and light splash resistance. When compared to less capable actuators, the LM24A‑VST stands out for its combination of modulating control, feedback capability, quick installation features and professional brand support—making it an excellent choice for HVAC contractors, integrators and facility managers seeking quality and reliability.