... Ballast Specs Power Output: Dimmable 50%, 75%, 100%Lumens: Up to 40% more than magnetic ballasts for improved ... HPS ) Bulb Specs400w, 600w, 1000w = 53,000, 86,000 , 140,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballasts ( ANSI ... ) Bulb Specs 400w, 600w, 1000w = 36,000, 61,000 , 110,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballast (ANSI Code ...