... price SX460A Stamford AVR:SX460A applicable to Brushless Generator.Stamford AVR Regulator is a compatible replacement for Stamford regulator.Technical parameter: ... -75A, SAVRL-PCB.2. Stamford AVR: AS440, MX321, MX321-A, MX341,MX341-A, SX440, SX440-A, SX440-T, SX460, SX460-A.3 ... . Leroysomer AVR: R230, R438,R448, R449, SSAYEC432. ...