uv lamp electronic ballast 1.CE,CB,SAA,ROHS,ISO9001 approved 2.OEM, ... Voltage:120V or 230V uv lamp electronic ballast1.for UV lamp 7W,9W,11W,13W,18W.2.power factor selection:PF> ... life,over-heat,over-load protection17.Ingress protection:IP20Features of electronic ballast:1. Favorable low voltae starting performance,start the lamp ... ,high power factor >0.98 7W 9W 11W 13W 18W uv lamp electronic ballast