Philips Advance Optanium Electronic fluorescent ballast is suitable to use with one/two 32-Watt F32T8 lamp. It has voltage rating of 120/277-Volts and current rating of 0.47/0.2-Amp. Programmed start ballast with 0.89 ballast factor, has ignition time of 1.5 secs. It features metal N housing. Ballast accommodates solid wire of size 18-AWG. It offers 0.98 power factor. This ballast has parallel lamp connection. It operates at the frequency rating of 50 - 60-Hz. It measures 9.5-Inch x 1.3-Inch x 1-Inch. Ballast withstands temperature rating of 70 deg C. Ballast is UL listed, CSA certified, RoHS compliant and meets CEC/CEE/NEMA/FCC standards.