24V ON/OFF 22 IN-LB. SPRING RETURNActuator Type | Spring return |
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Control Type | Open-close only |
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Electrical Connection | cable |
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Direction of Rotation (Fail-Safe) | reversible with CW/CCW mounting |
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Direction of Rotation (Motor) | reversible with CW/CCW mounting |
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Power Consumption (Holding) | 1.3�W |
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Power Consumption (Running) | 2 W |
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Degree of Protection | NEMA�2, UL�enclosure�type�1 |
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Shaft Diameter | 1/4" to 1/2" round, centers on 1/2" |
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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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Servicing | maintenance free |
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Power Supply | 24 VAC � 20%, 50/60 Hz, 24 VDC � 10% |
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Power Consumption Running | 2 W |
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Power Consumption Holding | 1.3 W |
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Transformer Sizing | 5 VA (class 2 power source) |
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Electrical Connection | (2) 3 ft [1 m], 18 GA appliance cables with 1/2? conduit connectors |
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Overload Protection | electronic throughout 0� to 95� rotation |
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Angle of Rotation | max. 95�, adjustable with mechanical stop |
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Direction of Rotation (Motor) | reversible with CW/CCW mounting |
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Running Time (Motor) | <75 sec |
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Ambient Temperature Range | -22�F to +122�F [-30�C to +50�C] |
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Storage Temperature Range | -40�F to +176�F [-40�C to +80�C] |
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Housing | NEMA 2, IP42, UL enclosure type 2 |
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Agency Listings | cULus acc. to UL60730-1A/-2-14, CAN/CSA
E60730-1:02, CE acc. to 2004/108/EC and
2006/95/EC |
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Noise Level (Motor) | <50 dB (A) |
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Direction of Rotation (Fail-Safe | reversible with CW/CCW mounting |
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Position Indication | visual indicator, 0� to 95� (0� is full spring return position) |
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Running Time (Fail-Safe) | <25 sec @ -4�F to 122�F [-20�C to 50�C], <
60 sec @ -22�F [-30�C] |
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Noise Level (Fail-Safe) | <62 dB (A) |
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Electrical protection | actuators are double insulated |
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Humidity | max. 95% RH non-condensing |
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Auxiliary Switch | 1 x SPDT, 3A resistive (0.5A inductive) @ 250
VAC, adjustable 0� to 95� |
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Shaft Diameter | 1/4? to 1/2? round, centers on 1/2? |
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Torque | 22 in-lbs [2.5 Nm] minimum |
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Operation | The TF series actuators provide true spring return operation for reliable failsafe
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 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� and 95�. |
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Product Family
All orders are shipped same-day if the order is received by 1:00 PM Central Time. We ship worldwide.
UPS Hoilday Delivery Schedule
For more infomation about Returns visit Returns
For more informatrion about Warranty visit Warranty page.
You can also find answers to some common questions on our FAQ page
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