FSAF24(-S) US, FSAF120(-S) US

On/Off, Spring Return, Meets 250°F [121°C] for Half Hour, 75 Seconds

Technical Data

 

FSAF24(-S) US, FSAF120(-S) US

Power supply

 

 

FSAF24(-S) US

 

24 VAC ± 20%, 24 VDC -10% +20%

FSAF120(-S) US

 

120 VAC ± 10%, 50/60 Hz

Power consumption

 

 

FSAF24(-S) US

running

7.5 W, 10 VA, .4 A

 

holding

2 W, 4 VA, .15 A

FSAF120(-S) US

running

50/60Hz: 9.5 W, 11 VA, .1 A

 

holding

3.5 W, 6 VA, .05 A

Transformer sizing

 

10 VA (Class 2 power source 24V only)

Electrical connection

motor

3 ft, 18 ga, 2 color coded leads

 

 

1/2” conduit connectors

 

-S models

3 ft, 18 ga, 4 leads appliance cable

 

 

1/2” conduit connectors

Overload protection

 

electronic throughout 0 to 95° rotation

Torque min. 133 in-lb, for control of air dampers

Application

For two position control of UL555S rated dampers in HVAC. Actuator sizing should be done in accordance with the damper manufacturer’s specifications.

The actuator is mounted directly to a damper shaft or jackshaft 3/8” to 1.05” in diameter by means of its universal clamp. A crank arm and mounting brackets are available if the actuator cannot be direct coupled to the jackshaft or damper shaft.

Square footage of damper operated will depend on make and model of damper. Typically 12 sq.ft. minimum up to 24 sq.ft maximum will be operated for UL555S applications.

Operation

The FSAF series actuators provide true spring return operation for reliable fail-safe application and positive close-off on UL555S dampers. The spring return system provides constant torque to the damper with, and without, power applied to the actuator.

The FSAF series provides 95° of rotation and is provided with a graduated position indicator showing 0 to 95°. The FSAF has a manual positioning mechanism which allows the setting of any damper position within its 95° of rotation.

The actuator is shipped in the zero fail-safe position to provide automatic compression against damper gaskets for tight shut-off. When power is applied, the manual mechanism is released and the actuator drives toward the

open position where it stops rotating.

The manual override can also be released physically by the use of a crank supplied with the actuator.

SAFETY NOTE

Screw a conduit fitting into the actuator’s bushing. Jacket the actuator’s input and output wiring with suitable flexible conduit. Properly terminate the conduit in a suitable junction box.

Angle of rotation

 

 

mechanically limited to 95°

Torque

 

 

133 in-lb [15 Nm] constant

Direction of rotation

 

spring

reversible with cw/ccw mounting

Position indication

 

 

visual indicator, 0° to 95°

 

 

 

(0° is spring return position)

Manual override

 

 

3mm hex crank (shipped w/actuator)

Running time

 

 

<75 sec. constant, independent of load

 

 

spring

<20 seconds nominal

Humidity

 

 

5 to 95% RH non-condensing

Ambient temperature

 

 

normal duty

-22°F to 122°F [-30°C to 50°C]

 

safety duty

3 on/off cycles after 30 minutes at ambient

 

 

 

temperature of 250°F [121°C]

Storage temperature

 

 

-40°F to 176°F [-40°C to 80°C]

Housing

 

 

NEMA type 1 / IP40

Housing material

 

 

zinc coated metal

Gears

 

 

permanently lubricated

Agency listings

 

 

cULus listed to UL873 and

 

 

 

CAN/CSA C22.2 No.24

Noise level (max)

 

 

45 dB (A)

 

spring return

62 dB

Servicing

 

 

Maintenance free

Quality standard

 

 

ISO 9001, 5 year Belimo warranty

Weight

 

 

(standard / -S model)

FSAF24(-S) US

 

 

5.7 / 6.2 lbs (2.6 / 2.8 kg)

FSAF120(-S) US

6.1 / 6.6 lbs (2.8 / 3 kg)

 

 

 

 

FSAF24-S US, FSAF120-S US

 

Auxiliary Switch

 

 

2xSPST 7A resistive, 2.5A inductive at 120V or

 

 

 

250V, UL Approved, double-insulated, one switch

 

 

 

at 10°, one adjustable from 30° to 90°

Dimensions (Inches [mm])

 

0.65" [16.5]

 

 

 

 

 

 

 

 

 

Standard:

[82.7]3.25"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/2" to 1.05"

2.24"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[57]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Optional*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.19" [5]

 

 

 

 

 

 

 

 

 

 

3/8" to 3/4"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3/8" to 5/8"

0.39" [10]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.64"

 

 

 

 

 

 

0.35" [9]

 

 

 

 

[67]

 

 

 

 

 

 

[98]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[80]

 

 

 

 

 

 

 

 

 

 

 

 

 

*with K4 US

3.86"

 

3.15"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

clamp

 

 

 

 

 

 

 

1.97"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[50]

 

 

 

 

 

 

 

 

10.59" [269] 5.85" [148.5]

0.26" [6.5]

D004

1.93"

 

[49]

M40024 - 05/10 - Subject to change. © Belimo Aircontrols (USA), Inc.

800-543-9038 USA

866-805-7089 CANADA

203-791-8396 LATIN AMERICA

171

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321 Studios specifications FSAF24-S US, FSAF120-S US, Application, Operation, 171

FSAF24 specifications

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Overall, 321 Studios FSAF24 represents a significant advancement in security and scheduling technologies. With its integrated features, user-centric design, and robust performance, it serves as a versatile tool for organizations seeking to enhance both security protocols and operational efficiency. As the needs of businesses continue to evolve, solutions like FSAF24 will be instrumental in addressing the challenges of modern security management.