Galaxy DE Gen 2 1000W 120/240 Digital Ballast MODEL 902683.

Features high frequency 110 kHz micro processing technology optimized for running double-ended lamps. This Galaxy.  DE Gen 2 Select-A-Watt ballast can operate a 1000 watt lamp at 600, 750, 875 and 1000 watts as well as Turbo Charge. 600, 750, and 1000 watt lamps are also properly operated with this Galaxy DE Gen 2 ballast. Set the desired wattage on the Select-A-Watt dial and be sure to install a lamp that does not exceed your wattage setting (1000W Double Ended). Very quiet operation and limited vibration. This ballast has been thermally optimized to operate with a passively cooled (non-fan) aluminum housing. Galaxy DE Gen 2 ballast lamp cord receptacle is designed specifically for Sun System brand reflectors