EWC Controls ND Series 10X10 ND Rectangular Motorized Damper, 10" x 10" Opening Size, Rectangular, 24 VAC, 360 CFM, Slip-In, Side/Bottom Mount (Motor), 1.5 In. Wc. Pressure Rating, Power Open/Power Close, Non-Spring Return

The ND series of Ultra-Zone dampers was designed with the installer and homeowner in mind. This damper is easy to install and easy to checkout. The LED display allows the installer to visually check the damper operation. With a sturdier frame, the damper installs in the duct much faster and easier and the nylon bushings insure quieter operation. This is a feature that homeowners will never hear about! Quieter operation and a longer life motor equals NO call backs.The motor for the ND damper is driven by 17 in. lbs. of torque, possesses a manual gear release, 3 wire power open/power closed operation and fail-safe LED’s for quick diagnostic checks. The motor is UL listed and NEMA Class 2 certified. The easy access, quick connecting terminal block eliminates the need for wire nuts and allows for trouble free use.The ND damper has a 97% leak proof rating. Overlapping blades and a strong positive off motor insures accurate control of all zones. The ND dampers combined with the Ultra-Zone zoning system provides the most comfortable and reliable system in the industry.

EWC Controls Rectangular Motorized Damper, Model: ND Series, 10" x 10" Opening Size, Rectangular, 24 VAC, 360 CFM, 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, 10" H x 10" 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

• Constructed with a heavy-duty extruded aluminum frame and blades for durability.
• Features nylon bushings for quiet, maintenance-free operation.
• Overlapping parallel blades provide a tight seal, rated at 97% leak-proof.
• Equipped with a reliable UL Listed 24 VAC, 3-wire, power-open/power-close motor actuator rated at 18 in-lbs torque.
• Bright LED indicators clearly show damper open and closed status for easy diagnostics.
• Includes integrated end-stop adjustments for setting minimum airflow or maximum open positions.
• Features a quick-connecting terminal block for simple, trouble-free wiring.
• Backed by a 5-year parts warranty.

• Sell Sheet https://s3.amazonaws.com/open-secret-production-public/data-studio/marcone/documents/nd-series-rectangular-zone-dampers-sell-sheet-3982-3320.pdf
• Submittal https://s3.amazonaws.com/open-secret-production-public/data-studio/marcone/documents/submittal-sheet-model-nd-rectangular-dampers-with-ma-nd5-actuator-3982-3321.pdf