uv lamp electronic ballast 1.CE,CB,SAA,ROHS,ISO9001 approved 2.OEM,high ... -load protection17.Ingress protection:IP20Features of electronic ballast:1. Favorable low voltae starting performance,start the lamp under 130v low voltage,power supply ... power factor >0.98 7W 9W 11W 13W 18W uv lamp electronic ballast