EWC Controls ND Series 10X22 ND Rectangular Motorized Damper, 10" x 22" Opening Size, Rectangular, 24 VAC, Slip-In, Side/Bottom Mount (Motor), 1.5 In. Wc. Pressure Rating, Power Open/Power Close, Non-Spring Return, 18 in-lb

EWC Controls ND Series 10X22 ND Rectangular Motorized Damper, 10" x 22" Opening Size, Rectangular, 24 VAC, Slip-In, Side/Bottom Mount (Motor), 1.5 In. Wc. Pressure Rating, Power Open/Power Close, Non-Spring Return, 18 in-lb

Manufacturer: EWC Controls, Inc
Brand: EWC®
Part #: 381917
MPN: 10X22 ND
Customer Part #:
Min. Order Qty: 1
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Amperage Rating      :      1.5 A
Blade Type      :      Overlapping Parallel
Color      :      Silver
Differential Pressure      :      1.5 in. wc.
Dimensions      :      10" H x 22" W x 4" D
Domestic/Import      :      Domestic
Electrical Connection      :      Quick Connecting Terminal Block, 3-Wire
Finish      :      Mill Finish (Extruded Aluminum)
Frequency Rating      :      50 Hz, 60 Hz
Height      :      29
Length      :      14
Material Standard      :      UL Listed (Motor Actuator), NEMA 1 (Motor Housing)
Material      :      Extruded Aluminum (Frame/Blades), Nylon (Bearings)
Model      :      10X22 ND
Motor Specifications      :      24 VAC, 3-Wire Power Open/Power Close (Floating Function), 18 in-lb Torque, NEMA 1 Housing, UL Listed
Motor Type      :      Power Open/Power Close, Non-Spring Return
Mounting Type      :      Slip-In, Side/Bottom Mount (Motor)
Opening Size      :      10" x 22"
Phase      :      1
Pressure Rating      :      1.5 in. wc.
Rated Velocity      :      1,500 fpm
Series      :      ND Series
Shape      :      Rectangular
Size      :      10" x 22"
Temperature Rating      :      185 °F (Maximum, Operating)
Timing Range      :      40 seconds
Torque Rating      :      18 in-lb
Voltage Rating      :      24 VAC
Width      :      7

The ND Damper is constructed using Heavy Duty 0.80" extruded aluminum. Nylon Bearings for quiet operation. Overlapping parallel blade design. Reliable operation up to 1.5"wo and 1500FPM duct velocities. The UL Listed Motor Actuator. 24vac 3 wire power open/power close or floating function. The motor actuator is rated at 18"lbs. of torque. Superior to low torque Spring type motors. The Motor Actuator housing is rated NEMA1. Integrated End-Stop Adjustment allows a percentage of Relief Air (Leakage) when the damper is powered closed. You may set a maximum open position as well, which is useful during test and balancing procedures. Bright green and red LED's Indicate damper open and closed position.

EWC Controls Rectangular Motorized Damper, Model: ND Series, 10" x 22" Opening Size, Rectangular, 24 VAC, Slip-In, Side/Bottom Mount (Motor), 1.5 In. Wc. Pressure Rating, Power Open/Power Close, Non-Spring Return, 18 in-lb, 40 Seconds Timing Range, 24 VAC, 3-Wire Power Open/Power Close (Floating Function), 18 in-lb Torque, NEMA 1 Housing, UL Listed, 10" H x 22" W x 4" D Dimensions, Quick Connecting Terminal Block, 3-Wire Electrical Connection, Extruded Aluminum (Frame/Blades), Nylon (Bearings), UL Listed (Motor Actuator), NEMA 1 (Motor Housing), Mill Finish (Extruded Aluminum), Silver, Overlapping Parallel, 1,500 FPM, 1.5 A, 185 °F (Maximum, Operating), 50 Hz, 60 Hz, 1 Phase, Domestic

  • Built with heavy-duty 0.80" extruded aluminum frame and blades.
  • Nylon bearings provide quiet and smooth operation.
  • Overlapping parallel blade design ensures low leakage performance.
  • Reliably operates at static pressures up to 1.5" w.c. and air velocities up to 1500 FPM.
  • Features a UL Listed 24 VAC, 3-wire power open/power close motor rated at 18 in-lb torque.
  • Integrated end stops allow adjustment for minimum leakage or maximum open position.
  • Bright LED indicators clearly show whether the damper is open or closed.
  • Submittal https://s3.amazonaws.com/open-secret-production-public/data-studio/marcone/documents/submittal-sheet-model-nd-rectangular-dampers-with-ma-nd5-actuator-3874-3321.pdf
  • Submittal https://s3.amazonaws.com/open-secret-production-public/data-studio/marcone/documents/submittal-sheet-model-nd-rectangular-dampers-with-ma-nd5-actuator-3897-3321.pdf

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