MODEL: CH-DB228 Lamp: T5 28*2 INPUT:110~260v In(ma): 300/230V Fn(Hz): 50/60 Tc(℃): 70max Ta(℃): -20---+50 PF>0.99 SAFETY: EN61046 CF<1.5 Preheat:>0.8s Over load EMI Abnormal protection Soft start THD<15% SIZE (L*W*H) 212*42*29 (cm) Except the above type, we also produce ballasts for one or two lamps of high power electronic ballasts for T5 Linear Fluorescent Lamp such as CH-DA214, CH-DA228, and CH-DA235. 昐mall volume which can be fixed in any kind of lamp. 旳dopts APFC design; Steady output power. 昉reheat start, which prolongs the life of the lamp. 昄ow total harmonic quantum, high power. 旹MI resistance which improve the reliability. 旳bnormal protection. 旽ave the approvals of CCC and CE.