Advance 71A5340-T HX-HPF Autotransformer Ballast is a magnetic HID ballast configured as an autotransformer, rated for 100 watts with a 430-volt specification. Part of Philips Advance's HX-HPF line, this model sits in the 71A family of ballasts used in commercial and industrial lighting fixtures that deploy HID lamps and require reliable voltage and current regulation. The 71A5340-T designation identifies the specific autotransformer ballast within the HX-HPF catalog, providing the precise combination of ballast topology and wattage for compatible HID installations. This description reflects the model naming and HX-HPF designation found in Philips/Advance ballast references.
