LHX24-SR-200 | Belimo | Damper ActuatorConfigurable, Damper Actuator, 34 lbf [150 N], Non fail safe, AC DC 24 V, DC 2 10 V, cable For proportional modulation of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturers specifications. The actuator operates in response to a 2 to 10 VDC, or with the addition of a 500 ? resistor, a 4 to 20 mA control input from an electronic controller or positioner. A 2 to 10 VDC feedback signal is provided for