EWC Controls ND Series 10X20 ND Rectangular Motorized Damper, 10" x 20" 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 10X20 ND Rectangular Motorized Damper, 10" x 20" 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
| Amperage Rating | : | 1.5 A |
| Blade Type | : | Overlapping Parallel |
| Color | : | Silver |
| Dimensions | : | 20" H x 10" 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 |
| Material Standard | : | UL Listed (Motor Actuator), NEMA 1 (Motor Housing) |
| Material | : | Extruded Aluminum (Frame/Blades), Nylon (Bearings) |
| Model | : | 10X20 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 20" |
| Phase | : | 1 |
| Pressure Rating | : | 1.5 in. wc. |
| Rated Velocity | : | 1,500 fpm |
| Series | : | ND Series |
| Shape | : | Rectangular |
| Size | : | 10" x 20" |
| Temperature Rating | : | 185 °F (Maximum, Operating) |
| Timing Range | : | 40 seconds |
| Torque Rating | : | 18 in-lb |
| Voltage Rating | : | 24 VAC |
The ND Damper is constructed using Heavy Duty 0.80" extruded aluminum. Nylon Bearings for quiet operation. Overlapping parallel blade design insures low leakage. Designed to operate at static pressures up to 1.5" W.C. The UL Listed Motor Actuator is a 24vac 3 wire power open/power close type. The motor actuator is rated at 18"lbs. of torque. Superior to low torque Spring type motors. The Motor Actuator housing has a NEMA1 Rating. Integrated End-Stop Adjustment allows for a percentage of Relief Air (Leakage) to be set when the damper is powered to closed and/or you may set a maximum open position as well. Bright green and red LED's Indicate damper open and closed position.
EWC Controls Rectangular Motorized Damper, Model: ND Series, 10" x 20" 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, 20" 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 0.80" extruded aluminum frame and blades.
- Features nylon bearings for quiet, maintenance-free operation.
- Overlapping parallel blade design ensures low air leakage.
- Reliable 24 VAC, 3-wire power-open/power-close motor delivers 18 in-lb of torque.
- Includes integrated end-stop adjustments for setting minimum airflow (leakage) and maximum open position.
- Bright green and red LEDs provide clear visual indication of damper open/closed status.
- UL Listed motor with NEMA 1 rated housing operates reliably up to 1.5 in. wc static pressure.
