... alarm devices, auto shutdown8) Protection function: over-current, under-voltage, auto-regulate voltage, reverse power9) Monitor function: speed, water temperature, lube-oil ... : less than 0.33cbm/kWh11) Supply connection: 3 phase, 4 lines12) Rated voltage: 400V13) Rated speed: 1,500rpm/1,800rpma14) Rated frequency ...