Star-delta starter, Product range: enclosed contactor combinations, Application: Star-delta motor starting for contactor combinations, Utilization category: NAC-3: Normal AC induction motors: starting, switch off during running, Max. rating for three-phase motors, 50 - 60 Hz AC-3 380 V 400 V: P 7.5 kW, Actuating voltage: 400 V 50 Hz, 440 V 60 Hz, Voltage AC/DC: AC operation