... . Brushless, 3. Self excited. 4. Good quality & price. Meccalte SR7 AVR Voltage Regulator:The SR7 type voltage regulator is an advanced ... ,SAVRH-75A, SAVRH-PCB, SAVRL-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, SSAYEC432.4 ...