The Philips Advance HCN2S5490CWL Electronic Ballast is an electronic ballast from Philips Advance used to regulate current in fluorescent lamps within compatible fixtures. The model designation HCN2S5490CWL identifies this unit within Philips Advance’s ballast lineup. As part of Philips Advance’s family of lighting ballasts, this component provides the required electronic control for lamp operation in standard installations.
