Accessory List

MF4D-x033 Series
F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 117
Spring Return TAC DuraDrive™ Floating Actuator
Model Chart
Specifications
TAC DuraDrive overshaft actuators are designed to
provide an economical and reliable solution for
many overshaft damper and ball valve
requirements. All products accommodate shaft
sizes up to 1/2 in. (13 mm) in diameter.
Spring return models provide 30 in-lb (3.4 N-m) of
torque.
Features:
Controlled by SPDT floating controllers.
30 in-lb (3.4 N-m) of torque.
Polymer housing rated for NEMA 2/IP54 rated for plenum
use.
Overload protection throughout stroke.
Automatically adjust the input span to match the
damper/valve travel.
Compact size to allow installation in limited space.
Manual override to allow positioning of dampers and
valves.
Directly mounted to 1/2 to 3 in. ball valves.
Part No. Rotation
Control
Signal
Voltage
Wiring
System
Actuator Power Input Approximate
Timing
a
in Sec. @
70
o
F (21
o
C)
a
Timing was measured with no load applied to actuator.
Running Holding
50/60 Hz
DC Amps
50/60 Hz
Powered
Spring
Return
(CCW)
VA W W
MF4D-7033-100 CCW
Floating
24 VAC +/-20% or
20-30 Vdc
Plenum
Cable
6.8 4.2 0.15 1.9 85 21
MF4D-8033-100 CW
Inputs
Control signal Floating.
Power See Model Chart. All 24 Vac circuts are Class 2. Half wave device.
Connections
10 ft plenum cables, enclosure accepts 1/2 in. (13 mm) conduit connector. For M20 Metric conduit, use
AM-756 adapter.
Outputs
Electrical
Position Feedback Voltage: 2 to 10 Vdc feedback signal. The feedback signal can supply up to 0.5 mA
to operate up to four additional slave actuators.
Mechanical
Timing: See Model Chart.
Travel: 93
o
nominal.
Manual Override: Allows positioning of damper or valve using manual crank.
F4D
-x
033
r
ies
US
LISTED