Belimo LF120-US 35 in-lb Spring Return Damper Actuator 100-240V AC

The Belimo LF120-US is a spring return damper actuator designed for HVAC applications requiring reliable fail-safe positioning. With 35 inch-pounds of torque and universal voltage compatibility (100-240V AC), this actuator provides precise control of dampers in commercial and industrial air handling systems.

Key Features:

• 35 inch-pounds (4 Nm) torque for dampers up to 8 square feet
• Spring return fail-safe operation returns to home position on power loss
• Universal voltage input: 100-240V AC, 50/60 Hz
• Floating control with auxiliary switch for status indication
• 90-degree rotation in approximately 150 seconds
• Direct mount to damper shaft with included hardware
• Compact, durable housing suitable for commercial environments
• Manual override for testing and emergency operation

The LF120-US is ideal for applications requiring fail-safe damper control in air handling units, economizers, and ventilation systems. The spring return mechanism ensures dampers return to a safe position during power failure, making it suitable for smoke control and life safety applications.