Belimo Spring Return Fail-Safe, Proportional Damper Actuator, Direct Coupled - 24V (No Aux Switch)

AFB24-SR

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Description

Application For proportional modulation of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer?s specifications. The actuator is mounted directly to a damper shaft up to 1.05" in diameter by means of its universal clamp. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. The actuator operates in response to a 0-10 V phasecut control input from an electronic controller or positioner. A 2 to 10 VDC feedback signal is provided for position indication or master-slave applications. Operation The AFB and AFX series actuators provide true spring return operation for reliable failsafe application and positive close-off on air tight dampers. The spring return system provides constant torque to the damper with, and without, power applied to the actuator. The AFB24-PC actuator provides 95° of rotation and is provided with a graduated position indicator showing 0° to 95°. The actuator w...

Manuals

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1Submittal SheetEN22022-03-25