STAMFORD AVR: SX460, SX440, MX341,MX321, AVR-8A, AVR-12A, AVR-15A Leroy Somer AVR: R230,R438, R448,R449 Stamford AVR SX460, Stamford Automatic Voltage Regulator, Stamford Voltage Regulator ... , Stamford Part, Stamford Spare Part, Automatic Voltage Regulator(AVR), Generator AVR. The SX460 is the standard AVR ...