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TFB120

TFB120
MSRP: $457.00
Price: $207.94
You Save: $249.06 (54 %)
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Belimo Part: TFB120, Damper Actuator, Spring Return, 22in-lb, On/Off Control Input, 120VAC Power Input

The TF series actuators provide true spring return operation for reliable fail-safe application and positive close 

off on air tight dampers. The spring return system provides consistent torque to the damper with, and without, 

power applied to the actuator.

The TF series provides 95 Deg. of rotation and is provided with a graduated position indicator showing 0 Deg. to 90 Deg.

The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. 

Power consumption is reduced in holding mode. The actuator is double insulated so an electrical ground 

connection is not necessary. The TF-S versions are provided with one built-in auxiliary switch. This SPDT 

switch is provided for safety interfacing or signaling, for example, for fan start-up. The switching function is 

adjustable between 0 Deg. and 95 Deg.

Fail-Safe

Spring Return

Torque

22 in-lb [2.5 Nm] minimum

Control Input

On/Off

Input Impedance

--

Position Feedback

--

Running Time (motor)

<75 seconds

Running Time (fail-safe)

< 25 seconds @ -4°F to +122°F [-20°C to +50°C], < 60 sec @ -22°F [-30°C]

Auxiliary Switch

--

Power Supply

100240 VAC +10% / -15%, 50/60 Hz

Power Consumption

2.5 W,1.3 W

Transformer Sizing

5 VA

Electrical Connection

3 ft, 18 GA appliance cable, 1/2" conduit connector

Overload Protection

electronic throughout 0 to 95° rotation

Shaft Diameter

Standard: 1/4" to 1/2" round, centers on 1/2"

Angle of Rotation

max. 95°, adjustable with mechanical stop

Direction of Rotation (motor)

reversible with CW/CCW mounting

Direction of Rotation (fail-safe)

reversible with CW/CCW mounting

Position Indication

visual indicator, 0° to 95° (0° is full spring return position)

Manual Override

--

Humidity

max. 95% RH non-condensing

Ambient Temperature

-22°F to +122°F [-30°C to +50°C]

Ambient Temperature (safety)

--

Storage Temperature

-40°F to +176°F [-40°C to +80°C]

Noise Level

running < 50 dB (A), spring return 62 dB (A)

Housing Material

UL94-5VA

Housing

NEMA 2, IP42, UL enclosure type 2

Agency Listing

cULus acc. To UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. To 2004/108/EC

Quality Standards

ISO 9001

Weight

1.4 lbs (0.6 kg)

Item Number: TFB120
Manufacturer: Belimo
Manufacturer Part No: TFB120

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