Belimo FSNF24 US : Fail-Safe Fire & Smoke Actuator, 70 in-lb, 24VAC/DC, On/Off Control Signal, 5-Year Warranty
The Belimo FSNF24 US actuator operates efficiently with an AC/DC 24V voltage and 50/60 Hz frequency, consuming 27 VA during operation and 3 W at rest. Featuring a 0 to 95° rotation, it delivers a robust 70 in-lb [8 Nm] torque at 350°F [177°C] for 30 minutes. Reversible and fail-safe in 15 seconds/90°, it maintains noise levels of 45 dB(A) during operation and 62 dB(A) in fail-safe mode. It complies with IP40 and NEMA 1 standards, carries UL 2043 compliance and cULus listing to UL873 and CAN/CSA C22.2 No.24. It is suitable for various settings and operates within a temperature range of 32°F to 122°F [0°C to 50°C], enduring storage temperatures of -40°F to 176°F [-40°C to 80°C]. Weighing 5.7 lbs [2.8 kg], this maintenance-free actuator is built from galvanized steel, ensuring durability.
Specifications
| Voltage AC/DC | AC/DC 24 V |
| Power Consumption (Running) FS | 27 VA |
| Power Consumption (Holding) FS | 3 W, 6.5 VA, End stop 55 VA, 2.5 A slow blow fuse * |
| Power Consumption For Wire Sizing | 40 VA |
| Torque | 70 in-lb [8 Nm] |
| Control Type | On/Off |
| Direction Of Motion Motor | selectable by ccw/cw mounting |
| Direction of Rotation (Fail-Safe) | Reversible with cw/ccw mounting |
| Angle of Rotation | 95 |
| Running Time (Motor) | 15 s / 90° |
| Running Time (Fail-safe) | <15 s |
| Protection category | IP40 |
| Degree Of Protection NEMA | NEMA 1 |
| Enclosure Type | UL Enclosure Type 1 |
| Ambient Temperature | 32...122°F [0...50°C ] |
Data Sheets
 | Belimo FSNF24 US Fire and Smoke Damper Actuator Data Sheet |
| Belimo Fire and Smoke Damper Actuator Brochure |
| Belimo Fire and Smoke Damper Actuator Consultant Specifications |
- Actuator Type:
- Fire & Smoke Actuator
- Voltage:
- 24VAC/DC
- Control Signal:
- On/Off
- Auxillary Switch:
- None
