... phase, or three phase Specifications Brush Generator ST/STC AVR 1)for generator or alternator 2 ... single phase, or three phaseBrush Generator ST/STC AVR Brand Name: ST Generator Type: Brush type Phase: ... 1/ 3 phase Specifications Brush ST AVR 1. Harmonic excitation, 1 phase brush ... Factory direct sales, 1 year warrantyBrush ST AVR Automatic voltage regulator ST AVR(110V, 220, 230V, 380V) ...