The Harvard DE226-3 has been discontinued by the manufacturer please CLICK HEREfor the nearest equivalent. The Harvard DED226-3 is a combination high frequency ballast and emergency ballast to run 2 x 26w PL-C lamps. This combo unit comes complete with a green LED and a battery lead but not the batteries. This unit should be used with a 3 cell battery pack. This has an emergency duration of 3 hours.
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