... protection function (overspeed stop, high water temperature, low oil pressure, battery charging fail, emergency stop) 2),Data of Generator Set, ... ≤±1%Frequency Regulation Rate ≤±5% Random Frequency Variation ≤±0.5% 3),Engine Specification, Model1003G,1003TG,1004G,1004TG,1006TAG, ... single Rated Voltage 400V (Available with customer requirements) Power 0.8 Voltage Adjust Range ≥5% Protection Grade IP23 ...