High power electronic ballast, bconstant power output, small effects of light source,flux stable output.TUV,UL aprovaval. Type NO.TOP600LV-ASupply voltage120~260VAC Voltage frequency50/60HzRated voltage120VOutput power 648WInput power600WEfficiency ≥93%Input current≤3.5APower factorPF>0.98Current harmonic(THD)THD<10%Crest factor(CF)CF≤1.7Ignition voltage4000V-5000VStart time<5sProtection ...