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Obsolete please consider this as an alternative https://www.easy-controlgear.com/products/tridonic-pc126basic-tr-1x26-tcd-1-x-26w-tct-basic-ballast...

The Harvard DK13 is a non-dimmable electronic high frequency ballast to run 1 x 7w, 9w or 11w PL-S, 1 x 10w or 13w PL-C, 1 x 10w or 16w 2D or 1 x 6...

The Harvard DK28 is a non-dimmable electronic high frequency ballast to run: 1 x 28w 2D Lamp. The DK28 has formerly been known as a DKE28 and a DK2...

The Harvard DK38 is a non-dimmable electronic high frequency ballast to run: 1 x 38w 2D Lamp. The DK28 has formerly been known as a DKE38 and a DK3...