[GreenKeys] miltope TT-768/TYC-39, 208VDC?

[W2HX]

Saw this
https://www.ebay.com/itm/373597084863?hash=item56fc1f1cbf:g:pH4AAOSwI8RgssNB

and noticed on the data plate it says 208VDC. Where does one find 208VDC? On a nuclear sub?

73 Eugene W2HX


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