EWC® 20X8 ND Motorized Damper With MA-ND5 Actuator, 20 x 8 in, Aluminum, Rectangular

Blade Type	:	Parallel
Electrical Connection	:	3-Wire
Frequency Rating	:	50/60 Hz
Material	:	Aluminum
Model	:	ND
Motor Type	:	Spring
Mounting Type	:	Duct
Power Rating	:	1 W
Pressure Rating	:	Up to 1.5 in-WC
Rated Velocity	:	1500 fpm
Shape	:	Rectangular
Size	:	20 x 8 in
Timing Range	:	35 s
Torque Rating	:	18 in-lb
VA Rating	:	1.5 VA
Voltage Rating	:	24 VAC/VDC

EWC® Motorized Damper, Model: ND, 20 x 8 in, 24 VAC/VDC, 50/60 Hz, 1 W, VA Rating: 1.5 VA, Parallel Blade, Aluminum, Duct Mounting, Spring Motor, Rectangular Shape, 3-Wire Electrical Connection, 1500 fpm Rated Velocity, 35 s Timing Range, 18 in-lb Torque, Up to 1.5 in-WC

The ND damper is constructed using heavy-duty 0.8 in extruded aluminumNylon bearings for quiet operationOverlapping parallel blade designReliable operation up to 1.5 in-WC and 1500 fpm duct velocitiesThe UL Listed motor actuator24 VAC 3-wire power open/power close or floating functionThe motor actuator is rated at 18 in-lb of torque, superior to low torque spring-type motorsThe motor actuator housing is rated NEMA 1Integrated end stop adjustment allows a percentage of relief air (leakage) when the damper is powered closedYou may set a maximum open position as well, which is useful during test and balancing proceduresBright green and red LED's indicate damper open and closed position