EWC Controls 28X28 ND-RSD NC Motorized Damper Spring Return - Normally Closed

EWC Controls 28X28 ND-RSD NC Motorized Damper Spring Return - Normally Closed

General Features:

• The ND-RSD is a rectangular parallel blade damper constructed from heavy duty extruded aluminum with nylon bearings for quiet operation.

• The Motor Actuator is a 24vac (6watt / 8va) Synchronous motor.

• It is typically a Power Close / Spring Open construction.

• The damper can be ordered as Power Open / Spring Close.

• The Synchronous motor can get very warm when energized/stalled for extended time periods.

• To avoid overheating, do not insulate or encapsulate the motor housing.

• Doing so will damage the actuator assembly and void the warranty. 

Specifications:

• Heavy Duty Frame

• Nylon Bushings for Quieter Operation

• Revolutionary Motor with greater Reliability

• LED’s to Show Damper Operation

• Low Leakage

• Simple 2-wire Hook-up

• Easier Ordering

• Motor is always mounted on second dimension specified

Dimensions:

Product Height (in.): 32”

Product Width (in.): 7”

Product Depth (in.): 30”

Unit Weight: 15 lbs.