... famous brand AC alternator: Leroy Somer, Stamford, Marathon, ENGGA2. Brushless, 4 poles, rotation magnet3. IP21-23(NEMA1) enclose is standard ... currenct, frequency, speed, temperature, oil pressure, running time etc 2- Warning when low or high voltage, low or high frequency ... protection, and low oil shutdown.PMC System:1. Standard 2\3 pitch windings avoid excessive neutral current2. Permanent magnet ...