Belimo LF24-SR US 35 in-lb Direct-Coupled Spring-Return Actuator

Description

Overview

The Belimo LF24-SR US is a direct-coupled, spring-return damper actuator engineered for precise modulating control in commercial and industrial HVAC applications. Delivering 35 in-lb of torque and accepting a 2–10 Vdc control signal, this actuator provides dependable fail-safe operation — automatically returning to its spring position upon loss of power to protect system integrity and occupant safety.

Key Features

• 35 in-lb (4 Nm) torque output for reliable damper control
• Spring-return fail-safe design — returns to home position on power loss
• Direct-coupled mounting — no crank arm or linkage required
• 2–10 Vdc modulating control signal for precise positioning
• 24 Vac/dc power supply for broad system compatibility
• Compact, lightweight design for fast, straightforward installation
• UL listed and cULus approved for North American applications

Specifications

• Brand: Belimo
• SKU: LF24-SR US
• Torque: 35 in-lb (4 Nm)
• Control Signal: 2–10 Vdc modulating
• Power Supply: 24 Vac/dc
• Actuator Type: Spring-return, direct-coupled
• Mounting: Direct shaft coupling — no linkage required

Applications

• VAV and CAV air handling systems
• Modulating damper control in commercial HVAC
• Building automation and energy management systems
• Ventilation and air distribution control