Direct Replacement for the Marathon PM300
The SS300 voltage regulator is an encapsulated electronic voltage regulator which controls the output of a brushless AC generator by regulating the current into the exciter field.
Replacement for Newage MX321 and Onan 305-0823McPherson Controls Self Excited Automatic Voltage Regulator 3 Phase Sensing Permanent Magnet Generator type AVRNot a genuine Newage or Onan productData Sheet