... )single phase, or three phase Specifications Brush Generator ST/STC AVR 1)for generator or alternator 2)low price,best quality 3 ... Brush ST AVR 1. Harmonic excitation, 1 phase brush type generator 2. Factory direct sales, 1 year warrantyBrush ST AVR Automatic ... regulator ST AVR(110V, 220, 230V, 380V) is applicable to harmonic excitation, 1 phase brush generator Seinsing Input Voltage: 110/220VAC, 1 ...