Belimo LRB120-3 Damper Actuator 120-240VAC 45 in-lb Spring Return

The Belimo LRB120-3 is a spring return damper actuator designed for reliable HVAC control applications. This versatile actuator operates on 120-240VAC power and delivers 45 in-lb (5 Nm) of torque, making it suitable for controlling small to medium-sized dampers in commercial and industrial building automation systems.

Key Features:

• Universal voltage operation: 120-240VAC, 50/60 Hz for flexible installation
• 45 in-lb (5 Nm) spring return torque for fail-safe damper positioning
• Spring return functionality ensures damper returns to safety position on power loss
• Compact, durable housing designed for long service life
• Compatible with standard damper mounting patterns for easy retrofit or new installation
• Suitable for fresh air, exhaust, and mixing damper applications

The LRB120-3 spring return actuator is ideal for applications requiring fail-safe damper control, such as smoke control systems, minimum outside air control, and general HVAC damper automation. Its universal voltage input simplifies installation across various electrical systems, while the reliable spring return mechanism provides peace of mind in critical applications.