JFP 450kW Prime Power Natural Gas Genset with ATS Option For 60Hz Electric Plant Product Overview This 450kW / 562.5kVA prime-power natural gas generator set is engineered to serve as the primary power source for 60Hz industrial electric plants. Featuring a spark-ignited gas engine optimized for long-term variable-load prime duty, it operates on pipeline natural gas and is paired with a high-efficiency 100% copper brushless alternator. An optional ATS auto-transfer switch