Belimo NFB24-SR-N4 Motor
The Belimo NFB24-SR-N4 is a high-torque spring return actuator engineered for precise proportional control in demanding HVACR environments. Delivering 90 in-lb of torque, this unit is designed to drive air dampers or valves to a safe position during power loss, ensuring reliable fail-safe operation. Housed in a rugged NEMA 4 enclosure (IP66), the NFB24-SR-N4 provides superior protection against dust, rain, and hose-directed water, making it ideal for outdoor or wash-down applications. It operates on a 24VAC/DC power supply and accepts a 2-10VDC modulating control signal (or 4-20mA with a 500? resistor). The integrated brushless DC motor is microprocessor-controlled, providing constant run times regardless of load and protecting the geartrain from stall damage without the need for limit switches. Installation is streamlined via a universal shaft clamp that accommodates jackshafts up to 1.05 inches, while the visual position indicator allows for rapid field verification of damper status.
Key Benefits- Fail-Safe Reliability: Mechanical spring return ensures positive close-off on airtight dampers during power interruptions.
- Environmental Protection: The NEMA 4 / IP66 rated housing allows for installation in harsh or outdoor environments.
- Precision Modulation: Responds to 2-10VDC or 4-20mA signals for accurate proportional damper control.
- Maintenance-Free Design: Features a brushless DC motor with electronic overload protection throughout the 95-degree rotation.
- Direct Coupling: Mounts easily to round or square shafts using a robust universal clamp, eliminating the need for complex linkages.
Can the NFB24-SR-N4 be used in outdoor applications?
Yes. The NEMA 4 / IP66 housing is specifically designed to protect internal components from moisture, ice, and debris.
How do I convert the control signal to 4-20mA?
To utilize a 4-20mA control signal, a 500? resistor (such as the Belimo ZG-R01) must be added to the input circuit.
Is a master-slave configuration supported for this model?
No, the NFB24-SR-N4 is not intended for master-slave applications; however, up to four units can be wired in parallel if they are not mechanically linked.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $847.89
-65%$847.89
$296.76Belimo NFB24-SR-N4 Motor
The Belimo NFB24-SR-N4 is a high-torque spring return actuator engineered for precise proportional control in demanding HVACR environments. Delivering 90 in-lb of torque, this unit is designed to drive air dampers or valves to a safe position during power loss, ensuring reliable fail-safe operation. Housed in a rugged NEMA 4 enclosure (IP66), the NFB24-SR-N4 provides superior protection against dust, rain, and hose-directed water, making it ideal for outdoor or wash-down applications. It operates on a 24VAC/DC power supply and accepts a 2-10VDC modulating control signal (or 4-20mA with a 500? resistor). The integrated brushless DC motor is microprocessor-controlled, providing constant run times regardless of load and protecting the geartrain from stall damage without the need for limit switches. Installation is streamlined via a universal shaft clamp that accommodates jackshafts up to 1.05 inches, while the visual position indicator allows for rapid field verification of damper status.
Key Benefits- Fail-Safe Reliability: Mechanical spring return ensures positive close-off on airtight dampers during power interruptions.
- Environmental Protection: The NEMA 4 / IP66 rated housing allows for installation in harsh or outdoor environments.
- Precision Modulation: Responds to 2-10VDC or 4-20mA signals for accurate proportional damper control.
- Maintenance-Free Design: Features a brushless DC motor with electronic overload protection throughout the 95-degree rotation.
- Direct Coupling: Mounts easily to round or square shafts using a robust universal clamp, eliminating the need for complex linkages.
Can the NFB24-SR-N4 be used in outdoor applications?
Yes. The NEMA 4 / IP66 housing is specifically designed to protect internal components from moisture, ice, and debris.
How do I convert the control signal to 4-20mA?
To utilize a 4-20mA control signal, a 500? resistor (such as the Belimo ZG-R01) must be added to the input circuit.
Is a master-slave configuration supported for this model?
No, the NFB24-SR-N4 is not intended for master-slave applications; however, up to four units can be wired in parallel if they are not mechanically linked.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Belimo NFB24-SR-N4 is a high-torque spring return actuator engineered for precise proportional control in demanding HVACR environments. Delivering 90 in-lb of torque, this unit is designed to drive air dampers or valves to a safe position during power loss, ensuring reliable fail-safe operation. Housed in a rugged NEMA 4 enclosure (IP66), the NFB24-SR-N4 provides superior protection against dust, rain, and hose-directed water, making it ideal for outdoor or wash-down applications. It operates on a 24VAC/DC power supply and accepts a 2-10VDC modulating control signal (or 4-20mA with a 500? resistor). The integrated brushless DC motor is microprocessor-controlled, providing constant run times regardless of load and protecting the geartrain from stall damage without the need for limit switches. Installation is streamlined via a universal shaft clamp that accommodates jackshafts up to 1.05 inches, while the visual position indicator allows for rapid field verification of damper status.
Key Benefits- Fail-Safe Reliability: Mechanical spring return ensures positive close-off on airtight dampers during power interruptions.
- Environmental Protection: The NEMA 4 / IP66 rated housing allows for installation in harsh or outdoor environments.
- Precision Modulation: Responds to 2-10VDC or 4-20mA signals for accurate proportional damper control.
- Maintenance-Free Design: Features a brushless DC motor with electronic overload protection throughout the 95-degree rotation.
- Direct Coupling: Mounts easily to round or square shafts using a robust universal clamp, eliminating the need for complex linkages.
Can the NFB24-SR-N4 be used in outdoor applications?
Yes. The NEMA 4 / IP66 housing is specifically designed to protect internal components from moisture, ice, and debris.
How do I convert the control signal to 4-20mA?
To utilize a 4-20mA control signal, a 500? resistor (such as the Belimo ZG-R01) must be added to the input circuit.
Is a master-slave configuration supported for this model?
No, the NFB24-SR-N4 is not intended for master-slave applications; however, up to four units can be wired in parallel if they are not mechanically linked.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
