The Belimo CR89AH is a genuine 24V AC/DC rotary actuator engineered for precise control of 3-way control ball valves. It delivers a robust 20 Nm torque and operates with a running time of 90 seconds for a 90° rotation. This versatile actuator supports both 3-point and modulating (0...10 V) control signals, making it ideal for various HVAC and water applications. It is equipped with two adjustable SPDT auxiliary switches, providing valuable feedback or enabling integrated control functions. With an IP54 protection class, the CR89AH is designed for reliable and durable performance in demanding environments. It is commonly paired with Belimo R3050-40-S4 3-way control ball valves, which feature a DN 50 nominal diameter, Rp 2" internal thread, PN 25 nominal pressure, and are suitable for water and water with anti-freeze mediums at temperatures ranging from -10 to 120 °C, with an operating pressure differential of 1600 kPa.