... service. AVR MX341, automatic voltage regulator, applied to Stamford and other brushless alternators.TECHNICAL DATA: SENSING INPUT Voltage 190-264V ac max, 1 phase, ... wire Frequency 50-60 Hz nominal POWER INPUT (PMG) Voltage 140-220V ac max, 3 phase, 3 wire Current 3A/phase ... Frequency 100-120 Hz nominalOUTPUT Voltage max 120V dc Current continuous ...