STC three phase alternator STC three phase alternatorSTC generators are to be used in town,the countryside, ... allow your easy operation and simple maintenance.The generators are three-phase, four-wire type, making use of star connection with ... generator cold run continuosly 1.Altitute: not exceed 1000m2.Ambient temperature:-15°C--40°C3.Relative air humidity:not exceed90% STC series three phase ...