... life,over-heat,over-load protection17.Ingress protection:IP20Features of electronic ballast:1. Favorable low voltae starting performance,start the lamp ... supply.2. Apply plug-in wiring terminals,conbenient installation apply electronic soft start technology; outstanding performance,long life low current wave ... ×55W110/220-240V50/60Hz0.98110W15%≤1.7abreast-25~+50 2x42W plastic cfl electronic ballast