... , 50°C is optionalf,Key start panel control system as standard, digital auto-start panel is optionalg,8-hour operation ... Rate ≤±5% Random Frequency Variation ≤±0.5% 3),Engine Specification, Model1003G,1003TG,1004G,1004TG,1006TAG,1006TG1A,1006TG2ACooing Method ... Insulation Grade H 5),Control System,Our standard genset controller provides functions,a),Start/Stop controllerb),Ampere meterc),Voltmeter and ...