Damper Actuator, Air, Spring, 22in-lb, On/Off, 120| Application | For On/Off, fail-safe control of dampers in HVAC systems. Actuator sizing
should be done in accordance with the damper manufacturer?s specifications.
Control is On/Off from an auxiliary contact, or a manual switch. 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. |
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| Operation | 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� of rotation and is provided with a
graduated position indicator showing 0� to 90�. 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.
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. |
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Product Family
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