... 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 ballast for ... Abnormal protection circuit5.Automatic shutdown of defective lamps(at the end of life)6.Automatic ... lamps8.Intelligently detect lamp type,one for multilamps9.Suitable for use in emergency lighting systems10.Wide ...