Belimo BFN24 : Marine Spring-Return Fire Damper Actuator, 24 VAC/DC, Open/Close Control Input, Torque motor 9 Nm / 7 Nm, Mechanical Interface Form Fit 12x12 mm, Continuous Hollow Shaft, 2 x SPST Auxilary Switch
Specifications
| Voltage AC/DC | AC/DC 24 V |
| Power consumption (running) | 4 W |
| Power consumption (holding) | 1.4 W |
| Power Consumption For Wire Sizing | 6 VA |
| Auxiliary switches | 2x SPDT |
| Connection Supply Control | Cable 1 m, 2 x 0.75 mm² (halogen-free) |
| Connection Auxilary Switch | Cable 1 m, 6 x 0.75 mm² (halogen-free) |
| Torque | 9 Nm |
| Control type | Open/close |
| Direction Of Motion Motor | selectable by mounting L/R |
| Manual override | With position stop |
| Angle of rotation | 95 |
| Running time (motor) | <60 s / 90° |
| Running time (fail-safe) | 20 s |
| Mechanical interface | Form fit 12x12 mm, continuous hollow shaft |
| Protection category | IP54 |
Datasheets
 | Belimo BFN24 Technical Data sheet |
| Belimo BFN Installation Instructions |
- Actuator Type:
- Fire & Smoke Actuator
- Voltage:
- 24VAC/DC
- Control Signal:
- On/Off
- Auxillary Switch:
- Yes
- NEMA 4X Enclosure:
- No
