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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You may not enter more than characters for ‘Actuator Customization’. We ship to Canada. The actuator may be stalled anywhere belimk its normal rotation without the need of mechanical end switches.

Add to a new shopping list. Personalization If needed, use the space below to type in any additional actuator configuration required for your order: Electronic throughout 0 to 95 rotation. The switching function is adjustable between 0 and For proportional modulation of dampers in HVAC systems. Actuator Customization characters remaining Quantity: Technical Data Sheet Installation Manual.


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

Visual indicator, 0 to 95 0 is spring return position. Direction of Rotation fail-safe.

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. The LF series actuators provide true spring return operation for reliable fail-safe application and positive close-off on air tight dampers. Welcomeyou have 0 items in your cart Sign-up View Cart Checkout. The microprocessor provides the intelligence to the ASIC to provide a constant rotation rate and to know the actuators exact fail-safe position.

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

Be,imo an account Forgot 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.


The spring return system provides consistent torque to the damper with, and without, power applied to the actuator.

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

Direction of Rotation motor. The LF series provides 95 of rotation and is provided with a graduated position indicator showing 0 to A crank arm and several mounting brackets are available for applications where the actuator velimo be direct coupled to the damper shaft.

Actuator Customization characters remaining.

Kf24 consumption is reduced in holding mode. Quantity Discounts Quantity Amount 5 to This SPDT switch is provided for safety interfacing or signaling, for example, for fan start-up.


A 2 to 10 VDC feedback signal is provided for position indication or master-slave applications. You will be prompted to enter your password on the next page. Reversible with built-in switch.