... Stamford AVR (Automatic Voltage Regulator): 1. Stamford AVR, 2. Brushless, 3. Self excited. 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: ... 75A, SAVRH-PCB, SAVRL-75A, SAVRL-PCB.2. Stamford AVR: AS440, MX321, MX321-A, MX341,MX341-A, SX440 ...