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Are smoke and fire damper actuators MA-2XX series, UL873 compliant?

Issue:
What UL compliance does the MA-2XX actuators meet?

Product Line: 
HVAC / Field Devices

Environment:
Damper Actuator

Cause:
Product UL Compliance 

Resolution:
The MA-2XX Series Damper Actuators did meet the UL 873 rating but are obsolete with NO equal replacement.
Reaching out to the Damper Manufacturer would be recommended for a replacement actuator.
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