EWC | 12x12 ND-RSD NO
- Motorized Damper
- 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.
- 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
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