EWC Controls ND Series 12X18 ND Rectangular Motorized Damper, 12" x 18" 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 12X18 ND Rectangular Motorized Damper, 12" x 18" 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 |
| Differential Pressure | : | 1.5 in. wc. |
| Dimensions | : | 18" H x 12" 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 | : | 21 |
| Length | : | 14 |
| Material Standard | : | UL Listed (Motor Actuator), NEMA 1 (Motor Housing) |
| Material | : | Extruded Aluminum (Frame/Blades), Nylon (Bearings) |
| Model | : | 12X18 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 | : | 12" x 18" |
| Phase | : | 1 |
| Pressure Rating | : | 1.5 in. wc. |
| Rated Velocity | : | 1,500 fpm |
| Series | : | ND Series |
| Shape | : | Rectangular |
| Size | : | 12" x 18" |
| 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"wc 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, 12" x 18" 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, 18" H x 12" 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, reliable operation.
- Overlapping parallel blade design ensures low leakage.
- Equipped with a 24 VAC, 3-wire, power-open/power-close motor actuator (18 in-lb torque).
- Bright green and red LEDs provide clear visual indication of damper open/closed status.
- Integrated end-stop adjustments allow setting minimum and maximum damper positions.
- Operates reliably at static pressures up to 1.5 in. w.c. and duct velocities up to 1500 FPM.
- UL Listed motor actuator with NEMA 1 housing.
