LF120 US Belimo Damper Actuator

Overview

The Belimo LF120 US is a spring-return damper actuator designed for reliable fail-safe on/off control of HVAC dampers. It provides consistent torque to ensure positive close-off on air-tight dampers during power loss.

Features

• True spring-return mechanism for emergency fail-safe operation
• Graduated mechanical position indicator showing 0° to 95°
• Double insulated housing requiring no electrical ground
• Maintenance-free design with brushless DC motor

Specifications

• Torque: 35 in-lb
• Nominal Voltage: AC 120 V, 50/60 Hz
• Control Signal: On/Off
• Power Consumption: 5.5 W operating
• Ambient Temperature Range: -22°F to 122°F [-30°C to 50°C]

Applications

• On/off control of air dampers in HVAC ductwork
• Fail-safe ventilation and safety shut-off systems
• Commercial and industrial building automation systems