JFP 250kW Super Silent Open Type Natural Gas Generator With 50Hz ATS Water Cooled for Standby Emergency Power Product Overview This 250kW (312.5kVA) natural gas generator set features an industrial lean-burn gas engine and full copper brushless alternator. Available in two configurations: super silent canopy and open frame, with standard 50Hz frequency and water cooling design. Supports matched ATS automatic transfer switch. Utilizes natural gas, LNG, or biogas as clean fuel,