The LF24 is a 24VAC spring return direct coupled damper actuator that is designed for on-off, fail-safe control of dampers in HVAC systems. Actuator sizing . Belimo Aircontrols (USA), Inc. LF24 (-S) US. On-off, spring return failsafe, 24 V. ®. Torque min. 35 in-lb, for control of air dampers. Application. For on-off, fail-safe. enclosure must be used to shield the actuator (See Belimo Mechanical Acces- . The LF24, modulating actuators (LFSR US, LF US, LFMFT US) are.

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Remember me I forgot my password. The ASIC monitors and controls the brushless DC motors rotation and provides a digital rotation sensing function to prevent damage to the actuator in a stall condition. Nm Direction of rotation. In case of power supply cut-off, the damper moves back to its safe position by the spring energy. Check your email for further instructions! The angle of rotation is adjusted by mechanical end stops.

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Power consumption is reduced in holding mode. Actuator Customization characters remaining. The actuator is installed directly on the air damper shaft.

We ship to Canada. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches.

LFSR, Belimo LFSR US, Damper Actuator, LFSR, Belimo LFSR

The switching lf244 is adjustable between 0 and Direction of Rotation fail-safe. Reversible with built-in switch. The LF series provides 95 of rotation and is provided with a graduated position indicator showing 0 to Add to a new shopping list.

The microprocessor provides the intelligence to the ASIC to provide a constant rotation rate and to know the actuators exact fail-safe position. This SPDT switch is provided for safety interfacing or signaling, for example, for fan start-up. USE For controlling air dampers with cross section up to 0. This site use cookies. Products saving in a binding to the projects. Technical Data Sheet Installation Manual.

The LF series actuators provide true spring return operation for reliable fail-safe application and positive close-off on air tight dampers.

Belimo Lf24-sr US Spring Return Actuator LF24SRUS

Welcomeyou have 0 items in your cart Sign-up View Cart Checkout. Actuator sizing should be done in accordance with the damper manufacturers specifications.

Your message has been successfully sent and will be reviewed as lt24 as possible. The electric actuator is provided with a 4 Nm actuating torque and an overload protection. Visual indicator, 0 to 95 0 is spring return position.


The actuator operates in response to a 2 to 10 VDC, or with the addition of a W resistor, a 4 to 20 mA control input from an electronic controller or positioner. Electronic throughout 0 to 95 rotation. III low voltageII totally insulated. Welcomeyou brlimo 0 items in your cart Sign-up View Cart Checkout site search.

Belimo Damper Actuator LF

Product Reviews Rate This Product: W Swing time motor. For controlling air dampers with cross section up to 0. Actuator Customization characters remaining Quantity: Beilmo proportional modulation of dampers in HVAC systems.

Hz Ingress protection rating. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. Bleimo 2 to 10 VDC feedback signal is provided for position indication or master-slave applications. Personalization If needed, use the space below to type in any additional actuator configuration required for your order: The spring return system provides consistent torque to the damper with, and gelimo, power applied to the actuator.