... synchronous alternator 1,safe,environment-friendly 2,brushless stamford alternator 3,competitive price ST Series Single-phase synchronous alternator 1, ... safe,environment-friendly 2,brushless stamford alternator 3, ... ) Rated output: 6.5KW to 30kW (8KVA-37.5KVA) 2) Rated voltage: 400V,400/230V,230V,415V,etc. 3) ...