Belimo FSLF120 US : Fail-Safe Fire & Smoke Actuator, 30 in-lb, 120VAC, On/Off Control Signal, 5-Year Warranty
The Belimo FSLF120 US is a fail-safe actuator designed for fire and smoke damper applications. It operates with a torque of 30 in-lb (3.5 Nm) and is powered by a 120V AC nominal voltage. Key features include a control mechanism with on/off functionality, operation at 350°F (177°C) for 30 minutes, and a fast response time of less than 15 seconds for fail-safe operation. Its durable design includes a galvanized steel housing, grounded electrical protection, and compliance with UL2043 for air plenum use. The actuator is maintenance-free and offers various safety protections such as overload and grounding. It is suitable for use in ventilation systems that require UL555 and UL555S fire/smoke dampers.
Specifications
| Voltage AC/DC | AC/DC 24 V |
| Power Consumption (Running) FS | 18 VA |
| Power Consumption (Holding) FS | 4 W, 5.5 VA (50 Hz 8 VA), End stop 27 VA, 0.25 A slow blow fuse * |
| Torque | 30 in-lb [3.5 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 | IP30 |
| Degree Of Protection NEMA | NEMA 1 |
| Enclosure Type | UL Enclosure Type 1 |
| Ambient Temperature | 32...122°F [0...50°C ] |
Data Sheets
 |
Belimo FSLF120 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:
- 120VAC
- Control Signal:
- On/Off
- Auxillary Switch:
- None
