... voltage regulator is an universal AVR and compatible replacement for Leroy Somer R230, R250, R230B, AEM110RE014, Olympian FG Wilson 922 197 ... . R230 is a a part of control system for Leroy somer generator. FeaturesVoltage Regulation < ±1%Economical Compact DesignFor use ... ,MX321,SX440,SX460,AS440,AS480,EA440-T,MX450Leroy Somer AVR:R230,R438,R448,R449,R250,R450Marathon AVR:SE350,EA350Siemens/Basler ...