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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LF24 – Belimo Spring-return actuator 4 Nm, 75 s, 95° AC / DC 24 V, Open/Close iACS

Reversible with built-in switch. We ship to Canada. For proportional modulation of dampers in HVAC systems. Actuator Customization characters remaining Quantity: The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches.

The spring return system provides consistent torque to the damper with, and without, power applied to the actuator. Direction of Rotation lf42. Electronic throughout 0 to 95 rotation.


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

Create an account Forgot Password? 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.

Quantity Discounts Quantity Amount 5 to Direction of Rotation fail-safe. Power consumption is reduced in holding mode.

B212+LF24: Belimo 2-way CCV, SS Trim, 1/2″, Cv 3.0″ CCV w/ Stainless Steel Ball and Stem

The microprocessor provides the intelligence to the ASIC to provide a constant rotation rate and to know the actuators exact fail-safe position. Personalization If needed, use the space below to type in any additional actuator configuration required for your order: 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.

The LF series actuators provide true spring return operation for reliable fail-safe application beelimo positive close-off on air tight dampers. Actuator Customization characters remaining. Add to a new shopping list.


This SPDT switch is provided for safety interfacing or signaling, for example, for fan start-up. Technical Data Sheet Installation Manual.

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

A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft.

You may not enter more than characters for ‘Actuator Customization’. Visual indicator, 0 to 95 0 is spring return position. You will be prompted to enter belijo password on the next page.

The LF series provides 95 of rotation and is provided with a graduated position indicator showing 0 to A 2 to 10 VDC feedback signal is provided for position indication or master-slave applications. The switching function is adjustable between 0 and Product Reviews Rate This Product: