EN0B-0320GE51 R0903
C
US LISTED
UL
R
KA-175-2T
KA-301-2T
DAMPER ACTUATORS 177/301 lb-in
FOR FLOATING / 2-POSITION CONTROL
PRODUCT DATA
GENERAL
These direct-coupled damper actuators provide two-position
and floating control for:
•
air
dampers,
•
VAV
units,
•
air
handlers,
•
ventilation
flaps,
•
louvers,
and
•
reliable control for air damper applications with up to
50 sq.ft. (4.6 m
2
) / 177 lb-in (20 Nm) or 85 sq. ft. (7.8 m
2
)
/ 301 lb-in (34 Nm) (seal-less damper blades; air friction-
dependent).
FEATURES
•
New self-centering shaft adapter
•
Access cover to facilitate connectivity
•
Declutch for manual adjustment
•
Mechanical end limits
•
Field-installable auxiliary switches
•
Rotation direction selectable by switch
•
Mountable in any orientation (no IP54 if upside down)
•
Mechanical position indicator
•
UL-approved
SPECIFICATIONS
Supply voltage
24 Vac
±
15%, 50/60 Hz
Nominal voltage
24 Vac, 50/60 Hz
All values stated hereinafter apply to operation under
nominal voltage conditions.
Power consumption
KA-175-2T
6 VA / 6 W
KA-301-2T
9 VA / 9 W
Ambient limits
Ambient operating limits
-5...+140 °F (-20...+60
°
C)
Ambient storage limits
-40...+175 °F (-40...+80
°
C)
Relative humidity
5...95%, non-condensing
Cables
Length
39" (1 m)
Materials
silicone-free
Safety
Protection standard
NEMA2
Protection class
II as per EN 60730-1
Overvoltage category
II
Lifetime
Full strokes
60000
Repositions
1.5 million
Mounting
Round damper shaft
3/8...1-1/16" (10...27 mm)
Square damper shaft
3/8...11/16"(10...18 mm);
45° steps
Shaft length
min. 7/8" (22 mm)
Auxiliary switch (when included)
Rating
5 A (resistive) / 3 A (inductive)
Triggering points
5
°
/ 85
°
Torque rating
KA-175-2T
177 lb-in (20 Nm)
KA-301-2T
301 lb-in (34 Nm)
Runtime
95 sec (60 Hz) / 110 sec (50 Hz)
Rotation stroke
95
°
±
3
°
Dimensions
Weight (without cables)
3 lbs. 3 oz. (1.45 kg)
Noise rating
40 dB(A) max. at 1 m