277V Ceramic Metal Halide 315W Electronic Ballast

Description:1.Wide AC input range 2.Low frequency output. 3.14-year good reputation in the industry, high reliability and low failure rate 4.High efficiency, High PF, High reliability. 5.Low CCF, Low THD, Low failure rate. 6.Features soft start and multiple protections, no worry on short/open circuit 7.UL listed 8.3 years warranty Specification:Specification Parameters Strike voltage3.5~5KV Required lamp voltage90~130V Voltage input range 208Vac~305VacRating V. In240/277Vac Input frequency 50Hz~60Hz Power factor >0.97 Efficiency >92% THD