MODEL: CH-DA228 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) 291*28*26 (cm) Except the above type, we also produce ballasts for one or two lamps of high power electronic ballasts for T8 Linear Fluorescent Lamp such as CH-DA118, CH-DA136, CH-DA158, CH-DA218, and CH-DA236. 稴mall volume which can be fixed in any kind of lamp. 稟dopts APFC design; Steady output power. 稰reheat start, which prolongs the life of the lamp. 稬ow total harmonic quantum, high power. 稥MI resistance which improves the reliability. 稟bnormal protection. 稨ave the approvals of CCC and CE.