Belimo NFXUP-S N4 Damper Actuator 90 in-lb Spring Return 24-240VAC On/Off NEMA 4

The Belimo NFXUP-S N4 is a universal voltage damper actuator designed for commercial HVAC applications requiring reliable on/off control. This spring return actuator delivers 90 in-lb of torque, making it suitable for controlling dampers up to approximately 15 square feet in size.

Key Features:

• Universal power supply accepts 24 to 240 VAC for flexible installation
• Spring return mechanism ensures fail-safe positioning during power loss
• 90 in-lb (10 Nm) torque output for medium-sized damper applications
• On/off control with switchable auxiliary switch for end position indication
• NEMA 4/IP54 rated enclosure protects against dust, dirt, and water splash
• Manual override for testing and emergency operation
• Direct mounting to damper shafts from 1/2" to 3/4"
• 90-second nominal running time for full stroke

The NFXUP-S series features Belimo's proven quality construction with a robust gear train and long service life. The switchable auxiliary switch provides valuable feedback for building automation systems, allowing monitoring of damper position. The NEMA 4 enclosure makes this actuator suitable for outdoor applications or environments where moisture and dust are present.