... .86) Phase: 3-phase, 4-wire7) Connection: Y or other type connection8) Excitation: harmonic excitation or phase compound or brushless9) Voltage ... (12-wire for 3-phase)Excitation methodBrushlessInsulation classHVoltage regulationAVRCONTROL PANELV-meter, A-meter, Frequency meter, circuit breaker, transfer switch, temp.and pressure gauges, indicating ...