Three-phase network control: phase sequence, phase loss, imbalance (asymmetry), under and overvoltage. Single to multi-function product range. Multi-voltage from 3 x 208 → 3 x 480 Vac 0. Controls its own voltage supply. Measurement in true RMS. LED status display Type and Functions MWG: Sequence and phase loss MWA: Sequence, loss and imbalance MWU: Sequence, loss, undervoltage MWUA: Sequence, loss, imbalance, overvoltage and undervoltage in window mode