... 1.Generator AVR: Automatic Voltage Regulator, 2.MARATHON series For AC brushless generator, SE350 Marthon Generator AVR:The SE350 voltage regulator is ... encapsulated electronic voltage regulator that controls the output of a brushless AC generator by regulating the current into the exciter field. ... rate: >1% The following are our products:1. CF Brushless AVR: CF-8A, CF-12A, CF-15A,SAVRH-75A, ...