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Evotec Power Generation Co., LTD is a professional manufacturer of A.C synchronous alternator integrating researching, designing, producing, selling all by ourselves. We produce three-phase brushless self-excited alternators, range from 6.8kva to 35000kva, 50hz/60hz option, rpm 1500-1800, voltage 110V-690V, class H, IP23, easily coupled with all brands of Diesel or Gasoline engines and steam or hydraulic turbines, such as world first-class of Cummins, Perkins, Lovol, Volvo Penta, MTU, Deutz, MAN, Caterpillar, Yanmar, Kubota, Lister Petter, Doosan, etc. Our alternator are widely used in industry, commercial, real estate, hospital, hotel, railway, telecommunications, data-centers and mining etc. The specific technical features are listed below: Speed: 1500rpm or 1800rpm Frequency: 50 Hz or 60Hz Number of Poles: 4 Power: up to 3500KVA Voltage: 110V-690V Insulation: class H Power Factor: 0.8 Voltage Regulation Rate: ?0.5% Altitude: =1000M Temperature Rise Class: class H Ambient Temperature: 40℃ Overload:10% for 1 hour in every 12 hours Degree of Protection: IP21 (IP23, IP44, IP54 on request) Special Features: higher motor starting capability a reliable long life with superior class H insulation high thyristor load withstand capability for mobile phone and telecom applications ease of maintenance with integrated components and outboard exciter/rotating rectifier wide range of coupling discs/adaptor for single bearing configuration, suitable for wide range of engine brands Standard: Evotec Power synchronous generators are designed and manufactured in compliance with IEC60034-1, IEC60034-22, GB755, BS4999-5000 and NEMA MG1.22. Evotec Power machines are CE marking approved.