Belimo AFXUP-S N4 Damper Actuator 180 in-lb Spring Return 24-240V NEMA 4

The Belimo AFXUP-S N4 is a robust spring return damper actuator designed for on/off control applications in demanding environments. With 180 in-lb of torque and universal voltage capability (24-240V AC/DC), this actuator provides reliable performance across a wide range of HVAC systems.

Key Features:

• 180 in-lb (20 Nm) torque output for positive damper positioning
• Spring return mechanism for fail-safe operation
• Universal power supply: 24 to 240V AC/DC (UP configuration)
• On/off control with auxiliary switch feedback
• NEMA 4/4X weatherproof enclosure for outdoor and harsh environment applications
• 90-degree rotation angle in 60 seconds running time
• Direct mounting capability for standardized damper connections
• Suitable for HVAC damper control in commercial and industrial applications

This actuator is ideal for fresh air intake dampers, smoke evacuation systems, and general ventilation control where weatherproof construction and reliable spring return operation are required. The auxiliary switch provides position feedback for building automation integration.