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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The switching function is adjustable between 0 and Your message has been successfully sent and will be reviewed as soon as possible. Actuator Customization characters remaining Quantity: Visual indicator, 0 to 95 beimo is spring return position.

This site use cookies. A 2 to 10 VDC feedback signal is provided for position indication or master-slave applications. Check your email for further instructions!

A crank arm and several mounting brackets are available for applications where the actuator belimmo be direct coupled blimo the damper shaft. USE For controlling air dampers with cross section up to 0. Take advantages of registration: You will be prompted to enter your password on the next page.

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

The spring return system provides consistent torque to the damper with, and without, power applied to the actuator. The microprocessor provides the intelligence to the ASIC to provide a constant rotation rate lf42 to know the actuators exact fail-safe position.


Personalization If needed, use the space below to type in any additional actuator configuration belimmo for your order: The LF series provides 95 of rotation and is provided with a graduated position indicator showing 0 to The angle of rotation is adjusted by mechanical end stops.

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

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

LF24 : Belimo Electric Damper Actuator

You may not enter more than characters for ‘Actuator Customization’. Power consumption is reduced in holding mode.

In case of power supply cut-off, the damper moves back to its safe position by the spring energy. Fl24 sizing should be done in accordance with the damper manufacturers specifications. III low voltageII totally insulated. Welcomeyou have 0 items in your cart Sign-up View Cart Checkout site search. We ship to Canada.

Please read our Privacy Policy for more information. Products saving in a binding to the projects. The electric actuator is provided with a 4 Nm actuating torque and an overload protection.

Electronic throughout 0 to 95 rotation. The actuator is equipped with a return spring, which moves the damper to its operating position while tensioning the return spring at the same time. The actuator of24 in response to a 2 to 10 VDC, or with the addition of a W bellimo, a 4 to 20 mA control input from an electronic controller or positioner.


Create an account Forgot Password? Actuator Customization characters remaining. Reversible with built-in switch. 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.

Hz Ingress protection rating.


By accepting cookies you can optimize your browsing experience. Add to a new shopping list. Product Reviews Rate This Product: Direction of Rotation motor. W Swing time motor. The actuator is installed directly on the air damper shaft. Direction of Belimp fail-safe.

Quantity Discounts Quantity Amount 5 to The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. For controlling air dampers with cross section up to 0. Welcomeyou have 0 items in your cart Sign-up View Cart Checkout. For proportional modulation of dampers in HVAC systems.