The BELIMO FSNF24 US is a fire and smoke actuator designed for HVAC systems, operating at 24 VAC/VDC with 50/60 Hz frequency. It features a power consumption of 6.5 VA holding and 27 VA running, 2.5 AMP current, and a 95-degree rotation angle. The actuator meets NEMA 1 and IP40 ratings and includes a spring return mechanism.