Electronic Ballast for HPS lamp, is a new edition product for 600W HPS lamp. It could fair work with lamp. Lamp Power: 600W Voltage:230V 50/60Hz Current: 2.696A Output Power: 620W Power Factor: >0.99 Voltage Range: 175~265V Env. Temp.: -25~50℃ Enclosure Temp. Rise（△t）:30℃ Env.IP require: IP21