Description
The Belimo NRX24-3-TN4 is a non-spring-return rotary damper actuator engineered for demanding HVAC damper control applications. Powered by a 24V AC/DC supply and delivering 150 lb-in (17 Nm) of torque, this actuator provides reliable, precise positioning in commercial and industrial air handling systems.
Key Features
- 24V AC/DC power supply for broad system compatibility
- 150 lb-in (17 Nm) torque output for large or tight dampers
- Push button manual override for convenient commissioning and maintenance
- 3-point floating control signal for accurate positioning
- Non-spring-return operation for energy-efficient performance
- Compact, rugged housing suitable for commercial HVAC installations
- Direct-coupled design — no crank arm or linkage required
- Belimo’s industry-leading quality and reliability
Typical Applications
- Commercial air handling units (AHUs)
- Variable air volume (VAV) systems
- Outdoor air and exhaust dampers
- Mixed-air and economizer damper control
- Building automation and DDC control systems
Why Choose Belimo?
Belimo is the global leader in damper actuator technology, trusted by HVAC engineers and contractors worldwide. The NRX24-3-TN4 combines robust construction with straightforward installation, reducing commissioning time and long-term maintenance costs. The push button override feature allows technicians to manually position the damper without removing power, making startup and troubleshooting faster and easier.
Product Specifications
- SKU: NRX24-3-TN4
- Brand: Belimo
- Supply Voltage: 24V AC/DC
- Torque: 150 lb-in
- Control Type: 3-Point Floating (Push Button Override)
- Return Type: Non-Spring-Return
- Mounting: Direct Coupled
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