FSTF120-S US | Belimo Fire And Smoke Actuator 18 In Lb 120VAC On Off
- Regular price
- $338.00
- Sale price
- $338.00
- Regular price
-
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Product Description P/N: FSTF120-S US
Description
The Belimo FSTF120-S US is a fire and smoke damper actuator designed to provide reliable on/off control with spring return safety operation in life-safety HVAC systems. Operating on 120 VAC power, it delivers 18 in-lb torque and certified performance under elevated temperature conditions.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Fire & Smoke Actuators |
| Part Number | FSTF120-S US |
| Subcategory | Spring Return Fire & Smoke Actuators |
| Actuator Type | Fire & Smoke Damper Actuator |
| Control Type | On/Off |
| Nominal Voltage | AC 120 V |
| Nominal Frequency | 50/60 Hz |
| Voltage Range | AC 96…132 V |
| Torque Output | 18 in-lb (2 Nm) |
| Spring Return | Yes |
| Power Consumption (Operation) | 2 W / 3.5 VA |
| Power Consumption (Rest) | 1.5 W / 2.5 VA |
| Inrush Current | 2.1 A |
| Auxiliary Switches | 2 × SPST |
| Angle of Rotation | 95° |
| Running Time | 75 s / 90° |
| Electrical Connection | 1 m cables with 1/2" NPT conduit connectors |
| Protection Rating | NEMA 2 |
| Ambient Temperature | 32…122°F (0…50°C) |
| Weight | 1.2 lb (0.57 kg) |
Information About FSTF120-S US
The FSTF120-S US is part of Belimo’s fire and smoke actuator series developed specifically for life-safety damper applications. It is designed to maintain operational integrity at elevated temperatures, delivering rated torque at 250°F for emergency smoke control scenarios. The actuator features a robust spring return mechanism that ensures automatic fail-safe positioning during power loss or fire events. Certified for plenum installation and compliant with UL and CSA standards, it is widely used in smoke control and fire isolation systems within commercial buildings.
Key Features
- Fire and Smoke Rated Design: Engineered to deliver reliable actuator performance under high-temperature conditions required for life-safety damper operation.
- 18 in-lb Torque Output: Provides consistent mechanical force to operate fire and smoke dampers during normal and emergency conditions.
- Spring Return Fail-Safe Operation: Automatically drives the damper to its safety position upon power interruption or system fault.
- 120 VAC Line Voltage Operation: Allows direct connection to standard building power without the need for external transformers.
- Dual SPST Auxiliary Switches: Two factory-installed switches provide damper position indication and interlocking for fire alarm or control systems.
- Reversible Fail-Safe Direction: Supports clockwise or counterclockwise fail-safe action through mounting orientation for flexible installation.
- Plenum-Rated and Certified Construction: Complies with UL 2043 and applicable fire and smoke damper installation standards.
The FSTF120-S US delivers the reliability and precision required for critical fire and smoke damper control in life-safety HVAC systems.
Description
The Belimo FSTF120-S US is a fire and smoke damper actuator designed to provide reliable on/off control with spring return safety operation in life-safety HVAC systems. Operating on 120 VAC power, it delivers 18 in-lb torque and certified performance under elevated temperature conditions.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Fire & Smoke Actuators |
| Part Number | FSTF120-S US |
| Subcategory | Spring Return Fire & Smoke Actuators |
| Actuator Type | Fire & Smoke Damper Actuator |
| Control Type | On/Off |
| Nominal Voltage | AC 120 V |
| Nominal Frequency | 50/60 Hz |
| Voltage Range | AC 96…132 V |
| Torque Output | 18 in-lb (2 Nm) |
| Spring Return | Yes |
| Power Consumption (Operation) | 2 W / 3.5 VA |
| Power Consumption (Rest) | 1.5 W / 2.5 VA |
| Inrush Current | 2.1 A |
| Auxiliary Switches | 2 × SPST |
| Angle of Rotation | 95° |
| Running Time | 75 s / 90° |
| Electrical Connection | 1 m cables with 1/2" NPT conduit connectors |
| Protection Rating | NEMA 2 |
| Ambient Temperature | 32…122°F (0…50°C) |
| Weight | 1.2 lb (0.57 kg) |
Information About FSTF120-S US
The FSTF120-S US is part of Belimo’s fire and smoke actuator series developed specifically for life-safety damper applications. It is designed to maintain operational integrity at elevated temperatures, delivering rated torque at 250°F for emergency smoke control scenarios. The actuator features a robust spring return mechanism that ensures automatic fail-safe positioning during power loss or fire events. Certified for plenum installation and compliant with UL and CSA standards, it is widely used in smoke control and fire isolation systems within commercial buildings.
Key Features
- Fire and Smoke Rated Design: Engineered to deliver reliable actuator performance under high-temperature conditions required for life-safety damper operation.
- 18 in-lb Torque Output: Provides consistent mechanical force to operate fire and smoke dampers during normal and emergency conditions.
- Spring Return Fail-Safe Operation: Automatically drives the damper to its safety position upon power interruption or system fault.
- 120 VAC Line Voltage Operation: Allows direct connection to standard building power without the need for external transformers.
- Dual SPST Auxiliary Switches: Two factory-installed switches provide damper position indication and interlocking for fire alarm or control systems.
- Reversible Fail-Safe Direction: Supports clockwise or counterclockwise fail-safe action through mounting orientation for flexible installation.
- Plenum-Rated and Certified Construction: Complies with UL 2043 and applicable fire and smoke damper installation standards.
The FSTF120-S US delivers the reliability and precision required for critical fire and smoke damper control in life-safety HVAC systems.