18in/lb SPRING RETURN MFT ACTUATOR| 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 | 2.5 W |
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| Power Consumption Holding | 1 W |
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| Transformer Sizing | 4 VA (class 2 power source) |
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| Electrical Connection | 3 ft [1m], 10 ft [3m] or 16 ft [5m] 18 GA
appliance or plenum cables, with or without
1/2? conduit connector |
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| Overload Protection | electronic throughout 0� to 95� rotation |
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| Input Impedance | 100 k ? for 2 to 10 VDC (0.1 mA), 500 ? for
4 to 20 mA, 1500 ? for PWM, floating point
and On/Off |
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| Angle of Rotation | max. 95�, adjustable with mechanical stop |
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| Direction of Rotation (Motor) | reversible with built-in switch |
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| Running Time (Motor) | 150 sec (default), variable (75 to 300 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 |
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| Noise Level (Motor) | <35 dB (A) motor @ 150 sec, run time
dependent |
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| Operating Range Y | 2 to 10 VDC, 4 to 20 mA w/ ZG-R01 (500 ?,
1/4 W resistor), variable (VDC, PWM, floating
point, on/off) |
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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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| Feedback Output U | 2 to 10 VDC, 0.5 mA max, VDC variable |
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| Electrical protection | actuators are double insulated |
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| Angle of Rotation Adaptation | Off (default) |
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| Override Control | min. position = 0% , mid. Position = 50% ,
max. position = 100% (Default) |
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| Humidity | max. 95% RH non-condensing |
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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 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. |
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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
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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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