PM500 Voltage Regulator Installation, Operation, and Maintenance Manual
The PM500 is a Marathon-branded encapsulated voltage regulator designed for use with the Marathon PMG system and most Marathon AC generators. The PM500 controls the output of a brushless AC generator by regulating the DC current input to the exciter field. The PM500 was designed as a three-phase or single-phase True RMS detector regulator, capable of accepting an analog voltage adjustment input. The PM500 is UL recognized and UL certified for Canada: component under UL file E222903. The PM500 bears the CE mark of the European Union.
