The Dungs Pressure Switches 267253 DMA30C120 Actuator Motor is a precision HVAC control component designed for reliable damper and air-control applications. Operating with a 4–20 mA control signal, it drives the actuator through a 30-second operating cycle, enabling smooth and accurate positioning. It is commonly used in air-handling units, ventilation systems, combustion equipment, a... https://www.partshnc.com/267253-dungs-pressure-switches-dma30c120-4-20ma-motor-30sec