EWC Controls 28X20 ND-RSD NC Motorized Damper Spring Return - Normally Closed
- $586.46
Availability: In Stock
Brand: EWC Controls
Product Code: 28X20 ND-RSD NC
SKU: 28X20 ND-RSD NC
Product views: 2662
EWC Controls 28X20 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.): 22”
Unit Weight: 13 lbs.
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