EWC Controls

EWC Controls - 8 URD - 8" Round Motorized Damper

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8" Round Motorized Damper


URD A Single Blade Round Damper with A (2) Two Position, 24 Volt Motor. The Motor Is Powered Both Ways - Powered Open and Powered Closed. The Motor Features Led's That Indicate The Position Of The Motor Whether Open or Closed. The Led's Are Colored Red For Closed and Green For Open. These Indictors Are A Failsafe Measure Meaning That They Will Not Illuminate Until The Blade Of The Damper Has Gone To Its Full Open or Full Closed Position.
The Motor Is A 3 Wire Hook-Up with A Common, A Power Open Leg and A Power Closed Leg. The Available Sizes Are 4" - 6" - 7" - 8" - 9" - 10" - 12" - 14" - 16"-18"-20". It Can Also Be Purchased with An S1A End Switch, As A URD-L (No Motor), or As A URD-LM24 SR-T (Modulating Motor).

California residents: see Proposition 65 Warning

Features and Specification

Individual Fan Control No
LEDs Yes
Length 12.0000
Maximum Temperature 185°F (85°C)
Mounting Crimped edge
Damper Type Zone
Dimensional Weight 9.0000
EAN 0845484003228
Emergency Heat Switch No
Height 10.0000
Heat Pump Compatible Yes
Network Zoning Yes
Type Motorized 3-Wire Power Open, Power Close
UL Listed Yes
UL Recognized Yes
UPC 845484003228
Voltage 24 VAC
Warranty Offered Yes
Width 12.0000
Size 8"
Cycle/Hertz 50/60 Hz
Power Method 24 Volt
Phase Single
Package Height 10.0000
Package Length 12.0000
Package Weight 5.3000
Package Width 12.0000
Shape Round
Composition Steel
Cubic Measurement 0.8333
Weight 5.3000
Connection Type T' Block
Ambient Temperature Range -20°F to 160°F (-28.8°C to 71.1°C)
Amps 1.5
Brand EWC Controls


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