Description
The Belimo NFB24-MFT is a heavy-duty, spring return damper actuator engineered for reliable, fail-safe operation in commercial and industrial HVAC applications. Featuring Belimo’s Multi-Function Technology (MFT), this actuator delivers exceptional flexibility by supporting multiple control signal types in a single unit — eliminating the need for multiple SKUs across different job specifications.
Key Features
- Spring return fail-safe design ensures damper returns to a safe position on power loss
- 90 in-lb torque output for reliable actuation of medium to large dampers
- Multi-Function Technology (MFT) supports 4–20 mA (500 Ohm), PWM (1500 Ohm), floating point, and On/Off control signals
- Dual voltage compatibility: 24 Vac and 24 Vdc operation
- Flexible signal selection reduces inventory requirements and simplifies specification
- Compact, rugged housing suitable for demanding commercial environments
- Direct-coupled design for fast, tool-free installation on standard damper shafts
- Manual override for commissioning and maintenance convenience
Specifications
- Brand: Belimo
- Model / SKU: NFB24-MFT
- Actuator Type: Spring Return
- Torque: 90 in-lb
- Supply Voltage: 24 Vac / 24 Vdc
- Control Signal – 4–20 mA: 500 Ohm input impedance
- Control Signal – PWM: 1500 Ohm input impedance
- Additional Control Modes: Floating point, On/Off
- Technology: Multi-Function Technology (MFT)
Applications
- VAV and CAV air handling units
- Outdoor air and exhaust damper control
- Economizer and mixed-air damper systems
- Building automation and DDC control systems
- Commercial HVAC zoning and ventilation control
The NFB24-MFT is an ideal choice for mechanical contractors and building automation professionals who need a single, versatile actuator that adapts to virtually any control system. Backed by Belimo’s industry-leading quality and reliability, this actuator is built to perform season after season.
Reviews
There are no reviews yet.