The serial number is known to Eaton to be SUSPECT.
Eaton Crouse-Hinds series Pauluhn Apex HBA linear fluorescent,1/2" (2) NPT hubs,4 ft,Tempered glass lens,T5HO mini bi-pin,Al,4-lamp,High reflectance reflector,battery back-up,one lamp,277V max,Through feed,Quick release,120-277 Vac,54W
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PurchaseSept