Belimo TF Series 18in. lbs. Modulating Spring Return Direct Coupled Actuator

Belimo Aircontrols (USA), Inc. TFB24SR BELIMO SPR ACT 22in-lb, 2-10V,24V

Unit Price
List Price$409.00
Your Price$174.30
You Save$234.70 (57.4 %)
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Availability: 152

BELIMO SPR ACT 22in-lb, 2-10V,24V

ApplicationFor fail-safe, modulating control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer?s specifications. The actuator is mounted directly to a damper shaft from 1/4? up to 1/2? in diameter by means of its universal clamp, 1/2? shaft centered at delivery. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. The actuator operates in response to a 2 to 10 VDC, or with the addition of a 500� resistor, a 4 to 20 mA control input from an electronic controller or positioner. A 2 to 10 VDC feedback signal is provided for position indication.
OperationThe 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� of rotation and is provided with a graduated position indicator showing 0 to 95�. The TF uses a brushless DC motor which is controlled by an Application Specific Integrated Circuit (ASIC) and a microprocessor. The microprocessor provides the intelligence to the ASIC to provide a constant rotation rate and to know the actuator?s exact fail-safe position. The ASIC monitors and controls the brushless DC motor?s rotation and provides a digital rotation sensing function to prevent damage to the actuator in a stall condition. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. Power consumption is reduced in holding mode.

Product Family

Model NumberDecriptionManufacturerPriceAvail. Qty 
TFB24SR BELIMO SPR ACT 22in-lb, 2-10V,24V Belimo Aircontrols (USA), Inc. $174.30 152    Add To Cart

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