... .110~600V. for leroy somer alternator AVR-LS R449 Specially for Leroy Somer alternator/generator(C6/4-AREP excitation with AVR-R438 or AVR-R448),Technical specificationInput Voltage ... speed, over excitation, LAMRegulation +/- 0.5%We also have R230, R438, R448, R449, SX460, SX440, MX341, MX321, SR7, UVR6, SE350, M16FA655A ...