HCN-2S54-90C-WL Advance Centium® T5 High Output Programmed Start Electronic Ballast All of these ballasts utilize programmed-start circuitry which provides extended lamp life in frequent switching applications like those associated with the use of occupancy sensors or motion detectors. These ballasts additionally feature IntelliVolt® multiple voltage technology, auto-restrike capability, and lamp End-Of-Life (EOL) protection circuitry which safely removes power from the lamp upon failure. These ballasts for T5HO lamps are the optimal choice for a broad range of retail, commercial and institutional and industrial applications including; warehouses, manufacturing, schools, offices, and speciality and department stores. Philips Advance T5HO ballasts are compatible with energy saving (ES) lamps.