... 4. Good quality and price SX460A Stamford AVR:SX460A applicable to Brushless Generator.Stamford AVR Regulator is a compatible replacement ... for Stamford regulator.Technical parameter: Voltage build-up ... 15A,SAVRH-75A, SAVRH-PCB, SAVRL-75A, SAVRL-PCB.2. Stamford AVR: AS440, MX321, MX321-A, MX341,MX341-A, SX440 ...