Brushless Alternator 1.CE,ISO9001:2000 certified 2.Worldwide low cost ... class insulatio open diesel generator, stamford alternator 20-1000kw, watercooled, brushless, 400V-230V voltage, 50Hz, 1500RPM AlternatorA. Optional permanent magnet generator ... and over current.B. Operation display a. Unit voltage, tri-phase load current and frequency display b. Water temperature, oil pressure ...