The Galaxy LEC brand technology 315 ballast is optimized for cutting edge Light Emitting Cerami brand technology. This ballast has a thermally optimized non-fan cooled aluminum housing while operating on 50/60 Hz low frequency, square wave, which makes this electronic ballast highly efficient. The Galaxy LEC brand technology 315 ballast operates at 120-240 Volt and offers a rated life of 50,000 hours. Galaxy LEC brand technology 315 Watt dimmable ballast operates a 315 watt ceramic metal halide lamp ANSI: C182 at 50%, 60%, 70%, 80%, 90% & 100%. This ballast comes pre-wired with a lamp cord receptacle that is compatible with all Sun System® LEC brand reflectors. Includes a 6 foot 120 volt power cord.