NFB24 Belimo Actuator
$271.60
Damper Actuator, 90 in-lb [10 Nm], Spring return, AC/DC 24 V, On/Off
Overview
The Belimo NFB24 is a 90 in-lb spring-return damper actuator designed for on/off airflow control in commercial HVAC systems. It provides reliable fail-safe operation to drive air dampers to a safe position during power interruptions.
Features
- Direct-coupled design mounts easily to damper shafts
- Mechanical spring-return fail-safe mechanism provides reliable return
- Low power consumption in holding state
- Maintenance-free construction with overload protection
- Manual override crank included for installation setup
Specifications
- Torque: 90 in-lb [10 Nm]
- Control Signal: On/Off
- Supply Voltage: AC/DC 24 V
- Running Time: <75 seconds (motor), <20 seconds (spring return)
- Angle of Rotation: Max 95 degrees
Applications
- Control of air dampers in commercial HVAC ductwork
- Outside air intake and exhaust air damper isolation
- Emergency fail-safe airflow shutoff and ventilation systems
| Weight | 8 lbs |
|---|---|
| Dimensions | 7 × 13 × 5 in |
| Actuator Type | Spring Return |
| Auxiliary Switch | 2 x SPDT |
| Control Type | On/Off |
| Torque | 90 in-lb [10 Nm] |
| Voltage | AC/DC 24 V |
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