Belimo NRX24-3-TN4 24V Non-Spring Return Damper Actuator with Push Button Control

The Belimo NRX24-3-TN4 is a 24-volt non-spring return rotary damper actuator designed for precise control of HVAC dampers in commercial building automation systems. This robust actuator features a 150-second running time for smooth, controlled modulation and includes integrated push button controls for manual positioning during installation, commissioning, or maintenance.

Key Features:

• 24V AC/DC power supply for flexible installation in various control systems
• 150-second running time (90° rotation) provides precise damper positioning
• Non-spring return operation maintains last position on power loss
• Manual push button override for easy setup and troubleshooting
• 3-position control with adjustable end stops
• Durable construction with weatherproof housing suitable for duct mounting
• Low power consumption for energy-efficient operation
• Direct mount design compatible with standard HVAC dampers

This actuator is ideal for applications requiring reliable damper control in air handling units, economizers, and zone control systems. The push button interface simplifies commissioning and provides convenient manual operation when needed, reducing installation time and service calls.