The Siemens MXG461.20-5.0P is a high-performance magnetic valve actuator from the Acvatix™ series, designed for the precise and rapid control of two-port and three-port valves. Primarily used in heating, ventilation, and air conditioning (HVAC) systems, this actuator provides modulating control with an exceptionally fast positioning time of less than 2 seconds. It features a spring return function, ensuring the valve returns to a safe position upon power failure. The actuator also includes position feedback, manual control capabilities, and LED status indication, making it a reliable and user-friendly solution for demanding control applications in district heating, cooling, and industrial processes.