Keystone Electronic fluorescent ballast is suitable to use with F28T5 lamp. It has input current rating of 0.45 Amp and input voltage rating of 120 Volt AC. This rapid/preheat start ballast with 0.9 ballast factor, offers 0.57 power factor. Ballast operates at the frequency rating of 50/60 Hz. Ballast measures 5.9 Inch x 0.91 Inch x 0.76 Inch. It withstands temperature rating of 75 deg C. Ballast is FCC certified and meets ANSI/IEEEC62.41 Cat. A standards.