CN20, CN34 SERIES
NON-SPRING RETURN DIRECT-COUPLED DAMPER ACTUATORS
FOR FLOATING / 2-POSITION CONTROL
PRODUCT DATA
SPECIFICATIONS
Supply voltage
CN6120/CN6134
CN4620/CN4634
Nominal voltage
CN6120/CN6134
CN4620/CN4634
24 Vac/dc ±15%, 50/60 Hz
230 Vac ±15%, 50/60 Hz
24 Vac/dc, 50/60 Hz
230 Vac, 50/60 Hz
All values stated hereinafter apply to operation under
nominal voltage conditions.
Power consumption
CN6120
CN4620
CN6134
CN4634
6 VA / 3 W
8 VA / 3 W
6 VA / 3 W
10 VA / 4 W
Ambient limits
Ambient operating limits
Ambient storage limits
Relative humidity
Safety
Protection standard
Protection class
Overvoltage category
Lifetime
Full strokes
Repositions
Mounting
Round damper shaft
Square damper shaft
-20...+60 °C (-5...+140 °F)
-40...+80 °C (-40...+175 °F)
5...95%, non-condensing
GENERAL
IP54 as per EN 60529
II as per EN 60730-1
III
These direct-coupled damper actuators provide two-position
and floating control for:
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air dampers,
VAV units,
air handlers,
ventilation flaps,
60000
1.5 million
louvers, and
10...27 mm (3/8...1-1/16")
10...18 mm (3/8...11/16");
45° steps
reliable control for air damper applications with up to
4.6 m2 / 50 sq.ft. (20 Nm / 177 lb-in) or 7.8 m2 / 85 sq. ft.
(34 Nm / 300 lb-in) (seal-less dampers; air friction-
dependent).
Shaft length
min. 22 mm (7/8")
End switches (when included)
Rating
5 A (resistive) / 3 A (inductive)
5° / 85°
FEATURES
Triggering points
Torque rating
CN6120 / CN4620
CN6134 / CN4634
Runtime
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Self-centering shaft adapter
Access cover to facilitate connectivity
Service/off for safe & easy servicing
Rotation direction selectable by switch
Declutch for manual adjustment
20 Nm (177 lb-in)
34 Nm (300 lb-in)
95 sec (60 Hz) / 110 sec (50 Hz
or DC supply)
95° ± 3°
Mechanical end limits
Rotation stroke
Dimensions
Weight (without cables) 1.35 kg (3 lbs.)
Noise rating
Certification
Field-installable auxiliary switches
Mountable in any orientation (no IP54 if upside down)
Mechanical position indicator
see "Dimensions" on page 6
40 dBA max. at 1 m
CE CN6120 / CN6134
CE and UL certified (230V models with CE only)
CN4620 / CN4634
UL CN6120 / CN6134
® U.S. Registered Trademark
EN0B-0320CH33 R0803A
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