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Belimo FSTF120-RUS Fire & Smoke Damper Actuator On/Off Spring Return 120 VAC 18 in-lb
- Regular price
- $1,367.00
- Sale price
- $1,367.00
- Regular price
-
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Product Description P/N: FSTF120-RUS
Description
The Belimo FSTF120-RUS is a fire and smoke damper actuator designed to provide reliable on/off control with spring-return fail-safe operation in HVAC safety systems. Manufactured by Belimo, it delivers 18 in-lb (2 Nm) of torque to operate combination fire and smoke dampers during normal and emergency conditions. The actuator is intended for ventilation and air-conditioning applications requiring dependable damper positioning and automatic return upon power loss.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | HVAC Controls |
| Part Number | FSTF120-RUS |
| Subcategory | Fire & Smoke Damper Actuator |
| Type | Spring Return Actuator |
| Control Type | On/Off |
| Operating Voltage | 120 VAC |
| Frequency | 60 Hz |
| Torque | 18 in-lb (2 Nm) |
| Power Consumption | 2.0 W |
| Power Rating | 3.5 VA |
| Fail-Safe Function | Spring Return |
| Angle of Rotation | 95° |
| Running Time | 75 seconds (motor), <25 seconds (spring return) |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Protection Rating | NEMA 2 / IP42 |
| Approvals | UL555, UL555S (when installed with approved damper assemblies) |
| Weight | 1.2 lb (0.57 kg) |
Information About FSTF120-RUS
The FSTF120-RUS is part of Belimo's FSTF series of fire and smoke spring-return actuators developed for UL-listed fire and smoke damper assemblies. It is engineered for direct mounting on compatible damper shafts and provides reliable fail-safe positioning through an internal spring-return mechanism. The actuator operates on a 120 VAC power supply using simple on/off control while delivering 18 in-lb (2 Nm) of operating torque. It is designed for ventilation and air-conditioning systems and complies with UL555 and UL555S requirements when installed with approved dampers.
Key Features:
- Spring Return Operation: Automatically returns the damper to its fail-safe position after power loss
- On/Off Control: Provides simple two-position damper operation for fire and smoke protection
- 120 VAC Supply: Compatible with standard building HVAC control systems
- 18 in-lb Torque: Delivers 2 Nm of torque for reliable damper actuation
- Fire & Smoke Application: Designed for smoke and combination fire/smoke dampers
- Direct Shaft Mounting: Cold-weld clamp provides secure installation without shaft damage
- UL Compliance: Suitable for UL555 and UL555S listed damper assemblies
- Maintenance-Free Design: Built for dependable long-term operation with minimal servicing
The FSTF120-RUS delivers the reliability and precision required for fire and smoke damper control in commercial HVAC safety systems.
Description
The Belimo FSTF120-RUS is a fire and smoke damper actuator designed to provide reliable on/off control with spring-return fail-safe operation in HVAC safety systems. Manufactured by Belimo, it delivers 18 in-lb (2 Nm) of torque to operate combination fire and smoke dampers during normal and emergency conditions. The actuator is intended for ventilation and air-conditioning applications requiring dependable damper positioning and automatic return upon power loss.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | HVAC Controls |
| Part Number | FSTF120-RUS |
| Subcategory | Fire & Smoke Damper Actuator |
| Type | Spring Return Actuator |
| Control Type | On/Off |
| Operating Voltage | 120 VAC |
| Frequency | 60 Hz |
| Torque | 18 in-lb (2 Nm) |
| Power Consumption | 2.0 W |
| Power Rating | 3.5 VA |
| Fail-Safe Function | Spring Return |
| Angle of Rotation | 95° |
| Running Time | 75 seconds (motor), <25 seconds (spring return) |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Protection Rating | NEMA 2 / IP42 |
| Approvals | UL555, UL555S (when installed with approved damper assemblies) |
| Weight | 1.2 lb (0.57 kg) |
Information About FSTF120-RUS
The FSTF120-RUS is part of Belimo's FSTF series of fire and smoke spring-return actuators developed for UL-listed fire and smoke damper assemblies. It is engineered for direct mounting on compatible damper shafts and provides reliable fail-safe positioning through an internal spring-return mechanism. The actuator operates on a 120 VAC power supply using simple on/off control while delivering 18 in-lb (2 Nm) of operating torque. It is designed for ventilation and air-conditioning systems and complies with UL555 and UL555S requirements when installed with approved dampers.
Key Features:
- Spring Return Operation: Automatically returns the damper to its fail-safe position after power loss
- On/Off Control: Provides simple two-position damper operation for fire and smoke protection
- 120 VAC Supply: Compatible with standard building HVAC control systems
- 18 in-lb Torque: Delivers 2 Nm of torque for reliable damper actuation
- Fire & Smoke Application: Designed for smoke and combination fire/smoke dampers
- Direct Shaft Mounting: Cold-weld clamp provides secure installation without shaft damage
- UL Compliance: Suitable for UL555 and UL555S listed damper assemblies
- Maintenance-Free Design: Built for dependable long-term operation with minimal servicing
The FSTF120-RUS delivers the reliability and precision required for fire and smoke damper control in commercial HVAC safety systems.