... friendly 2,brushless stamford alternator 3,competitive price ST Series Single-phase synchronous alternator 1,safe,environment-friendly ... 2,brushless stamford alternator 3,competitive price SZN-184 Series Brushless Alternator/Generator/ Dynamo Detailed product description: 1) ... 5) Three-phase four-wire 6) Protection: I5P21- IP23 7) Insulation: Class H 8) Standard: International Electrician Committee ...