Accessory List

MF40-7173
104
© Copyright 2006 TAC. All Rights Reserved. F-27382-1
Spring Return TAC DuraDrive
®
Floating Actuator
Model Chart
Specifications
For spring return applications that require floating
control of dampers and valves in HVAC system.
Features:
• 150 lb.-in. (17 N-m) rated torque.
• Direct mount to round or square damper shaft.
• Overload protection throughout rotation.
• True mechanical clockwise or counterclockwise spring
return operation for positive close-off in tight seal damper
applications.
• Visual position indicator.
• Oil immersed gear train provides continuous lubrication.
• NEMA 4 housing (IEC IP56).
• Automatic current sensing motor control provides extended
reliability and repeatable timing.
Damper Actuators
Model No.
Damper Shaft
Size
a
a
Optional AM-753 damper shaft mounting clamps for 5/8 in. square or 3/4 to 1 in. round shafts.
Actuator Power Input
SPDT
Auxiliary
Switches
Approximate
Timing in
Seconds @ 70°F
(21°C) with No
Load
Output Torque Rating
lb.-in. (N-m)
Voltage Watts
VA
Running Holding Powered
Spring
Return
Minimum
b
b
De-rating required for spring return actuators at low temperatures.
Maximum
Stall
MF40-7173
3/8 to 1/2 in.
round or
square
24 Vac ±
20%
5.5 10 4.3 No <145 150 (17) 450 (51)
Valve Actuator plus LInkages.
Model No.
a
a
Refer to Valve Catalog, F-27384, for correct applications.
Linkage (included)
Voltage 50/60
Hz
Running
Holding
VA
SPDT Aux.
Switches
W
VA
MF40-7173-200 AV-602
24 Vac ± 20% 5.5 10 4.3 NoMF40-7173-220 AV-607
MF40-7173-230 AV-609
Inputs
Control signal SPDT Floating point control, Triacs (500 mA rated), or 2 SPST contacts.
Power Refer to Model Chart.
Connections
1/2 in. conduit ports for separation of Class 1 and Class 2 circuits.
Power: Appliance cable.
F
40-7173
US
LISTED