LMX24-3-F | Belimo | Damper ActuatorConfigurable, Damper Actuator, 45 in lbs [5 Nm], Non fail safe, AC DC 24 V, On Off, Floating point For On Off and floating point control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturers specifications. The actuator is mounted directly to a damper shaft from 1 4 up to 5 8 in diameter by means of its standard universal clamp. Shafts up to 3 4 diameter can be accommodated by an accessory clamp.