The stand-by power calibrated engine,as per the average load rate is 80%, can not exceed 200 running hours,the hours usd at stand-by power point can not exceed the rated stand-by power. According to customer requirements. alternator options are Stamford銆乵arathon銆乴eroy Sommer etc锛宱verall dimension varies a little with different choices. By recombining the twelve leading-out terminals in alternator, the output voltage can be adapted to meet the user's requirement. Rated frequency option is 60HZ锛寃ith matching diesel engine and generator speed.