R449
Leroy Somer R449 can operate in shunt, AREP or PMG type applications. With its versatile functions the R449 is popular with LSA51.2, LSA53.1 & LSA54 Leroy Somer frames. The R449 has multiple features to enhance generator protections such as under frequency thresholds and voltage regulation with a ratio of -/+1%. For voltage matching and power factor controlling with the mains we recommend in addition to this regulator the R726