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Belimo FSAF24A Fire and Smoke Damper Actuator with Mechanical Spring Return and On/Off Control
- Regular price
- $745.00
- Sale price
- $745.00
- Regular price
-
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Product Description P/N: FSAF24A
Description
The Belimo FSAF24A is a spring-return fire and smoke damper actuator that delivers 180 in-lb [20 Nm] of torque for two-position operation. Powered by 24 VAC/DC, it drives a compatible damper to its operating position and mechanically returns it to the configured fail-safe position when power is interrupted.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Flame Safety Products |
| Part Number | FSAF24A |
| Subcategory | Electric Damper Actuator |
| Series | FSAF_A |
| Application | Fire and smoke damper actuation |
| Control Type | On/off, two-position |
| Nominal Supply | 24 VAC/DC; 50/60 Hz for AC operation |
| Torque | 180 in-lb [20 Nm] |
| Fail-Safe Mechanism | Mechanical spring return |
| Rotation / Direction | 95° maximum; clockwise or counterclockwise mounting |
| Motor Running Time | 25 seconds per 90° |
| Spring-Return Time | Less than 15 seconds |
| Power Consumption / Transformer Sizing | Running: 32 VA; holding: 5 W, 8.5 VA; transformer sizing: 40 VA |
| Normal Ambient Temperature | 32–122°F [0–50°C] |
| Elevated-Temperature Duty | Rated torque at 350°F [177°C] for 30 minutes |
| Construction / Protection | Galvanized steel housing, steel gears; NEMA 1, UL Enclosure Type 1 |
| Electrical Connection | Two 18 AWG leads with 1/2-inch NPT conduit connector |
| Weight | 6.80 lbs |
Information About FSAF24A
The FSAF24A is part of Belimo’s FSAF_A series, built with a galvanized steel housing and permanently lubricated steel gears. It is intended for compatible UL 555 and UL 555S listed fire/smoke damper assemblies in ventilation and air-conditioning systems. Mounting orientation determines clockwise or counterclockwise travel, while a mechanical indicator shows actuator position. Electronic overload protection operates throughout the rotation range, and the spring mechanism stores energy during powered travel for the return stroke.
- Rated Torque: Provides 180 in-lb [20 Nm] for operating compatible fire and smoke dampers.
- Mechanical Spring Return: Restores the configured fail-safe position following loss of supply power.
- Two-Position Control: Supports on/off operation through a switched electrical supply.
- Low-Voltage Power: Accepts nominal 24 VAC or 24 VDC, with 50/60 Hz AC operation.
- Powered Travel: Completes a 90° motor-driven stroke in 25 seconds.
- Rapid Fail-Safe Travel: Provides spring-return operation in less than 15 seconds.
- Reversible Direction: Allows clockwise or counterclockwise operation through mounting orientation.
- Position Indication: Includes a mechanical indicator for checking the actuator’s rotational position.
The FSAF24A delivers the reliability and precision required for powered positioning and fail-safe return of compatible fire and smoke dampers.
Description
The Belimo FSAF24A is a spring-return fire and smoke damper actuator that delivers 180 in-lb [20 Nm] of torque for two-position operation. Powered by 24 VAC/DC, it drives a compatible damper to its operating position and mechanically returns it to the configured fail-safe position when power is interrupted.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Flame Safety Products |
| Part Number | FSAF24A |
| Subcategory | Electric Damper Actuator |
| Series | FSAF_A |
| Application | Fire and smoke damper actuation |
| Control Type | On/off, two-position |
| Nominal Supply | 24 VAC/DC; 50/60 Hz for AC operation |
| Torque | 180 in-lb [20 Nm] |
| Fail-Safe Mechanism | Mechanical spring return |
| Rotation / Direction | 95° maximum; clockwise or counterclockwise mounting |
| Motor Running Time | 25 seconds per 90° |
| Spring-Return Time | Less than 15 seconds |
| Power Consumption / Transformer Sizing | Running: 32 VA; holding: 5 W, 8.5 VA; transformer sizing: 40 VA |
| Normal Ambient Temperature | 32–122°F [0–50°C] |
| Elevated-Temperature Duty | Rated torque at 350°F [177°C] for 30 minutes |
| Construction / Protection | Galvanized steel housing, steel gears; NEMA 1, UL Enclosure Type 1 |
| Electrical Connection | Two 18 AWG leads with 1/2-inch NPT conduit connector |
| Weight | 6.80 lbs |
Information About FSAF24A
The FSAF24A is part of Belimo’s FSAF_A series, built with a galvanized steel housing and permanently lubricated steel gears. It is intended for compatible UL 555 and UL 555S listed fire/smoke damper assemblies in ventilation and air-conditioning systems. Mounting orientation determines clockwise or counterclockwise travel, while a mechanical indicator shows actuator position. Electronic overload protection operates throughout the rotation range, and the spring mechanism stores energy during powered travel for the return stroke.
- Rated Torque: Provides 180 in-lb [20 Nm] for operating compatible fire and smoke dampers.
- Mechanical Spring Return: Restores the configured fail-safe position following loss of supply power.
- Two-Position Control: Supports on/off operation through a switched electrical supply.
- Low-Voltage Power: Accepts nominal 24 VAC or 24 VDC, with 50/60 Hz AC operation.
- Powered Travel: Completes a 90° motor-driven stroke in 25 seconds.
- Rapid Fail-Safe Travel: Provides spring-return operation in less than 15 seconds.
- Reversible Direction: Allows clockwise or counterclockwise operation through mounting orientation.
- Position Indication: Includes a mechanical indicator for checking the actuator’s rotational position.
The FSAF24A delivers the reliability and precision required for powered positioning and fail-safe return of compatible fire and smoke dampers.
