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Documents: 20X12 ND-RSD NO

Datasheet

20X12 ND-RSD NO | Rectangular Damper | 20X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls

This damper is 20" by 12". The motor/lever is installed on the 12" side. Full dimensional specifications are in the datasheet below.

Brand: EWC ControlsSKU: 20X12 ND-RSD NO

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Overview Details for 20X12 ND-RSD NO

ACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED

Rectangular Damper | 20X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN

Model 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 ( Synchronous motor. It is typically a Power Close / Spring Open construction. The damper can be ordered as Power Open / Spring Close. The Model ND-RSD cannot be field-reversed. The 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. 6watt / 8va) Synchronous See reverse side for wiring solutions.