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DCB fluorescent ballasts emergency ballasts allow the same fixture to be used for both normal and emergency operation.
In the event of a power failure the emergency ballast switches to emergency mode and operates one ore two of the existing lamps for a minimum of 90 minutes.
Each emergency ballast contains a battery charger and invertor circuit in a single package. The emergency ballast can be mounted in the fixture wireway or on top of the fixture and is UL listed for factory installation or retrofit applications. |
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