Getting kinda vintage old/ (older than my 21-yo), and do not recognize the QBFA, but is there also a series NAME .. like EMERALD? Might help? Could it be "QG" = Quiet Gas; OH, and the 3.3 amps is most likely 33.3 amps?
(TerryH.) 2000-GS Conquest Limited 6266 Class-C 99-E450SD V10