Penerangan
N20, N34 SERIES NON-SPRING RETURN DIRECT-COUPLED DAMPER ACTUATORS FOR FLOATING / 2-POSITION CONTROL
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
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 frictiondependent
FEATURES
• Self-centering shaft adapter
• Access cover to facilitate connectivity
• Service/off for safe & easy servicing
• Rotation direction selectable by switch
• Declutch for manual adjustment
• Mechanical end limits
• Field-installable auxiliary switches
• Mountable in any orientation (no IP54 if upside down)
• Mechanical position indicator
• CE and UL certified (230V models with CE only)
SPECIFICATIONS
Supply voltage
CN6120/CN6134 24 Vac/dc ±15%, 50/60 Hz
CN4620/CN4634 230 Vac ±15%, 50/60 Hz
Nominal voltage
CN6120/CN6134 24 Vac/dc, 50/60 Hz
CN4620/CN4634 230 Vac, 50/60 Hz
All values stated hereinafter apply to operation under
nominal voltage conditions.
Power consumption
CN6120 6 VA / 3 W
CN4620 8 VA / 3 W
CN6134 6 VA / 3 W
CN4634 10 VA / 4 W
Ambient limits
Ambient operating limits -20...+60 °C (-5...+140 °F)
Ambient storage limits -40...+80 °C (-40...+175 °F)
Relative humidity 5...95%, non-condensing
Safety
Protection standard IP54 as per EN 60529
Protection class II as per EN 60730-1
Overvoltage category III
Lifetime
Full strokes 60000
Repositions 1.5 million
Mounting
Round damper shaft 10...27 mm (3/8...1-1/16'')
Square damper shaft 10...18 mm (3/8...11/16'');
45° steps
Shaft length min. 22 mm (7/8'')
End switches (when included)
Rating 5 A (resistive) / 3 A (inductive)
Triggering points 5° / 85°
Torque rating
CN6120 / CN4620 20 Nm (177 lb-in)
CN6134 / CN4634 34 Nm (300 lb-in)
Runtime 95 sec (60 Hz) / 110 sec (50 Hz
or DC supply)
Rotation stroke 95° ± 3°
Dimensions see ''Dimensions'' on page 6
Weight (without cables) 1.35 kg (3 lbs.)
Noise rating 40 dBA max. at 1 m
Certification CE CN6120 / CN6134
CN4620 / CN4634
UL CN6120 / CN6134
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