The serial number is known to Eaton to be SUSPECT.
Eaton Crouse-Hinds series Pauluhn ECOS ED2N linear fluorescent light fixture,3/4",Myers conduit hubs,zinc,one entry at each end,50/60 Hz,4 ft lamp,Polycarbonate lens,T5HO bi-pin,Fiberglass-reinforced polyester,2-lamp,Ceiling,120-277 Vac,54W