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Belimo FSAF24-SR Proportional Spring-Return Fire and Smoke Damper Actuator
- Regular price
- $409.00
- Sale price
- $409.00
- Regular price
-
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Product Description P/N: FSAF24-SR
Description
Belimo FSAF24-SR is a proportional spring-return fire and smoke damper actuator designed for HVAC applications requiring controlled modulation of UL 555S-rated dampers. It operates from a 24 V supply and accepts a 2–10 VDC control signal, with a 2–10 VDC feedback signal for position indication.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Building Automation / HVAC Controls |
| Part Number | FSAF24-SR |
| Subcategory | Fire and Smoke Damper Actuators |
| Product Type | Proportional Spring-Return Actuator |
| Power Supply | 24 VAC ±20% 50/60 Hz / 24 VDC ±10% |
| Control Signal | 2–10 VDC; 4–20 mA with 500 Ω resistor |
| Feedback Signal | 2–10 VDC |
| Drive Torque | 180 in-lb |
| Spring Return Torque | 133 in-lb minimum |
| Angle of Rotation | 95° |
| Motor Running Time | Approx. 90 seconds / 90° |
| Damper Shaft Compatibility | Up to 1.05 in. diameter |
| Application Temperature | Operation at 250°F for limited time per UL 555S testing |
| Weight | 6.6 lb |
Information About FSAF24-SR
The FSAF24-SR is part of the Belimo FSAF series of fire and smoke damper actuators. It mounts directly to a damper shaft or jackshaft up to 1.05 inches in diameter using its universal clamp. The actuator provides spring-return operation and can also accept a 4–20 mA control signal when used with the specified 500 Ω resistor. Its design is intended for proportional modulation of UL 555S-rated fire and smoke dampers in HVAC systems.
Key Features:
- Proportional Control: Accepts a 2–10 VDC control signal for modulating damper position.
- Spring Return: Returns the damper to its fail-safe position when required.
- 24 V Operation: Supports 24 VAC or 24 VDC power.
- Position Feedback: Provides a 2–10 VDC feedback signal for position indication.
- Fire & Smoke Application: Designed for proportional control of UL 555S-rated dampers.
- Shaft Compatibility: Directly mounts to damper shafts or jackshafts up to 1.05 inches.
- Manual Override: Allows manual positioning using the supplied actuator mechanism.
- High Torque: Provides 180 in-lb drive torque and 133 in-lb spring-return torque.
The FSAF24-SR delivers the reliability and precision required for fire and smoke damper modulation in HVAC control systems.
Description
Belimo FSAF24-SR is a proportional spring-return fire and smoke damper actuator designed for HVAC applications requiring controlled modulation of UL 555S-rated dampers. It operates from a 24 V supply and accepts a 2–10 VDC control signal, with a 2–10 VDC feedback signal for position indication.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Building Automation / HVAC Controls |
| Part Number | FSAF24-SR |
| Subcategory | Fire and Smoke Damper Actuators |
| Product Type | Proportional Spring-Return Actuator |
| Power Supply | 24 VAC ±20% 50/60 Hz / 24 VDC ±10% |
| Control Signal | 2–10 VDC; 4–20 mA with 500 Ω resistor |
| Feedback Signal | 2–10 VDC |
| Drive Torque | 180 in-lb |
| Spring Return Torque | 133 in-lb minimum |
| Angle of Rotation | 95° |
| Motor Running Time | Approx. 90 seconds / 90° |
| Damper Shaft Compatibility | Up to 1.05 in. diameter |
| Application Temperature | Operation at 250°F for limited time per UL 555S testing |
| Weight | 6.6 lb |
Information About FSAF24-SR
The FSAF24-SR is part of the Belimo FSAF series of fire and smoke damper actuators. It mounts directly to a damper shaft or jackshaft up to 1.05 inches in diameter using its universal clamp. The actuator provides spring-return operation and can also accept a 4–20 mA control signal when used with the specified 500 Ω resistor. Its design is intended for proportional modulation of UL 555S-rated fire and smoke dampers in HVAC systems.
Key Features:
- Proportional Control: Accepts a 2–10 VDC control signal for modulating damper position.
- Spring Return: Returns the damper to its fail-safe position when required.
- 24 V Operation: Supports 24 VAC or 24 VDC power.
- Position Feedback: Provides a 2–10 VDC feedback signal for position indication.
- Fire & Smoke Application: Designed for proportional control of UL 555S-rated dampers.
- Shaft Compatibility: Directly mounts to damper shafts or jackshafts up to 1.05 inches.
- Manual Override: Allows manual positioning using the supplied actuator mechanism.
- High Torque: Provides 180 in-lb drive torque and 133 in-lb spring-return torque.
The FSAF24-SR delivers the reliability and precision required for fire and smoke damper modulation in HVAC control systems.