... Pitch 3) Brushless, Synchronous ac generato single phase synchronous brushless generator 6.8KWWERNA single phase synchronous brushless generator 6.8KWwith Lomg ... more than 50 different models, with 50Hz or 60Hz frequency, Single bearing or Double bearing, Brush or brushless, Self-excited. ... , BS 5000,VDE 0530, NEMA MG1-22,IEC34,CSA C22.2-100 and ASB59 single phase synchronous brushless generator 6.8KW