... HO lamp single lamp ballast, t5 54w,electronic ballast,ballast,CE CB SGS MEPS ROHS Active high power factor correction HO lamp single lamp ballast, t5 54w,electronic ballast,ballast,CE ... sapcing DimensionsOG-E80T5HO 1X80W110~240V≤80≥0.99≤8%≤1.3-10~50°C70°C 350360x30x28OG-E54T5HO 1X54W110~240V≤57≥ ... 0.99≤8%≤1.3-10~50°C70°C 350360x30x28OG-E49T5HO 1X49W110~240V≤52≥ ...