Reversing contactor combination, Application: Contactor combinations for motor starting with two directions of rotation, Accessories: DIUL reversing combinations, Utilization category: AC-3: Squirrel cage motors: starting, switching off during operation, AC-4: Squirrel cage motors: starting, countercurrent braking, reversing, inching, Rated operating current AC-3 380 V 400 V: Ie= 50 A, Max. rated operating power three-phase motors 50 - 60 Hz AC-3 220 V 230 V: P= 15.5 kW, 380 V 400 V: P= 22 kW, 660 V 690 V: P= 30 kW, Actuating voltage: 230 V 50 Hz, 240 V 60 Hz, Current type AC/DC: Alternating current operation, Note: Also suitable for motors of efficiency class IE3