SE350 Marthon Generator AVR: 1.Generator AVR: Automatic Voltage Regulator, 2.MARATHON series For AC brushless generator, SE350 Marthon Generator AVR:The SE350 voltage regulator is an encapsulated ... , SAVRH-PCB, SAVRL-75A, SAVRL-PCB.2. Stamford AVR: AS440, MX321, MX321-A, MX341,MX341-A, SX440, SX440-A, SX440-T, SX460, SX460 ...