The Danfoss 193B1600 ARA663 Actuator is a 24 VAC, 3-point floating motor actuator designed to operate ESBE 3-way and 4-way rotary valves in hydronic HVAC systems. It converts control signals into precise 90° valve rotation, regulating the flow and mixing or diverting of heating and cooling water. With a 96-second operating time and 53 in-lb (6 Nm) torque, it supports reliable temperat... https://www.partshnc.com/danfoss-193b1600-actuators-for-rotary-valves-ara-series-3-point-supply-voltage-24-vac