... , 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 ... no specialist requirements exist. We supply the following STAMFORD, LEROY SOMER, MARTHON AVR:1. STAMFORD AVR:1) SX4602) SX4403) MX3414) MX3215)AVR-8A6)AVR-12A7)AVR ...