A2 electronic ballast have voltage stabilizing 100-265V T5:14/ ... Grille lamp ,T8/T5 fluorescent fixture and other types of fluorescent light area where require the safety specifications ,THD ... , EMC and ROHS executive the standard of IEC.wide input :170~260V 50/60Hz,95~ ... close off electricity automatically , in case of tube abnormal causing the ballast damaged,must cut off the power ...