... CE,SAA,CB,SGS T5 electronic ballast,electronic ballast 40w,electronic ballast for fluorescent lamp CE,SAA,CB,SGS,A/12997EA,A2 CE ... ,SAA,CB,SGS T5 electronic ballast,electronic ballast 40w,electronic ... terminal block2.Active high power factor correction3.Preheat start,long lamp life4.Abnormal protection circuit5.Automatic shutdown of defective lamps( ...