The right fit for your high-output applications can be found with the Philips Advance programmed-start Centium ballasts for T5HO lamps which are available for a wide variety of applications. No matter what the conditions require, operating at a variety of line Voltages between 120V to 480V, whether located in high ambient temperature environments (requiring a 90 degree Celcius rating) or not, if you desire hi-low switching options for improved energy efficiency (4-lamp models only), our family of Philips Advance Centium ballasts for T5HO lamps are ideal for a wide variety of applications. 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. Our 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. For additional energy saving opportunities Philips Advance T5HO ballasts are compatible with energy saving lamps. For specific lead lengths visit our e-catalog at www.philips.com/advance.