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Welcome to BOSS-MART - Brightech Online Sales & Service | Genuine Quality Products - 12 Months Warranty
Welcome to BOSS-MART - Brightech Online Sales & Service | Genuine Quality Products - 12 Months Warranty
Product Id# SFS-S2 Belimo
The Belimo SFS-S2 is a fail-safe rotary damper actuator designed for HVAC systems, particularly for applications requiring reliable.
The Belimo SFS-S2 is a fail-safe rotary damper actuator designed for HVAC systems, particularly for applications requiring reliable emergency positioning—like fire and smoke control or critical ventilation. It’s similar to the SFA-S2 but may differ slightly in mounting or configuration depending on regional variants or system requirements.
| Feature | Details |
|---|---|
| Torque | 20 Nm (motor and spring return) |
| Voltage Range | AC 24–240 V / DC 24–125 V |
| Control Type | Open/Close |
| Auxiliary Switches | 2x SPDT (factory set at 10% and 90%) |
| Running Time (Motor) | 75 seconds |
| Running Time (Fail-Safe) | <20 s @ –20 to +50°C / <60 s @ –30°C |
| Angle of Rotation | Max. 95° (adjustable) |
| Protection Rating | IP54 / NEMA 2 |
| Ambient Temp Range | –30°C to +50°C |
| Manual Override | Hand crank with locking switch |
| Weight | Approx. 2.3 kg |
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