1,Stamford Quality,Low Price 2,Power:440KW,550KVA 3,Output Type: AC Three - Phase 4,Frequency: 50Hz 1500RPM 5,ISO9001,CE,CCC HJI440 Stamford Single Bearing Brushless Alternator A: Our own brand "hengjiu" brushless alternator It is single bearing alternator, Powerful Robust and Universal Brushless Alternator, technology authorized by Shanghai Stamford with 100% Copper Wires and 100% Rated Power ...