All Pro Grow Diamond Edition Digital Ballasts are the world’s highest quality digital ballast. All Pro Grow Digital Ballasts have been fully engineered to handle the highest voltage loads from any power grid (180V ~ 265V) and operate seamlessly in the harshest, hottest and most extreme environments on the planet. Pro Grow Digital Ballasts are EMC compliant, RFI free and meet Australian Electrical Certification. Pro Grow Magnetic ballasts are over boosted to 622W output at the lamp. Cool, quiet and reliable. Starts all 600W lamps. 3.2A start up. 2.8A constant.