Belimo TFB24-SR Spring Return Actuator

The Belimo TFB24-SR Actuators are used for fail-safe, modulating control of dampers in HVAC applications. The actuator is mounted directly to a damper shaft from 1/4" up to 1/2" in diameter, by means of universal clamp.

Belimo TFB24-SR Features:

• 24V AC/DC, 50/60Hz
• Spring Return Actuator
• Modulating Control Type
• 22 in-lb Torque Motor
• 2-10Vdc, 4-20mA Operating Range
• 95 s Constant, Independent of Load Running Time
• Mechanical Position Indication
• -22 to 122 Deg F Ambient Temperature
• 2 Watt Power Consumption
• 1 Watt Rest Power Consumption
• 4 VA Transformer Sizing
• Max of 95 Deg, Adjustable Mechanical Stop Angle of Rotation
• IP42, NEMA 2

Technical Literature:

Belimo TFB24-SR Actuator Literature