Power contactor, Application: Power contactor for motors, comfort devices greater than 170 A, Utilization category: AC-1: Non-inductive or slightly inductive load, resistance furnaces, AC-3: Squirrel cage motors: starting, switching off during operation, AC-4: Squirrel cage motors: starting, countercurrent braking, reversing, tapping, Connection technology: screw connection, Rated operating current AC-3 380 V 400 V: Ie= 580 A, Rated operating current AC-1 conventional thermal current, 3-pole, 50 - 60 Hz open at 40 °C: Ith = Ie= 980 A, Rated operating current AC-1 conventional thermal current 1-pole open: Ith= 2000 A, Max. Rated operating power three-phase motors 50 - 60 Hz AC-3 220 V 230 V: P= 185 kW, 380 V 400 V: P= 315 kW, 660 V 690 V: P= 560 kW, max. rated operating power three-phase motors 50 - 60 Hz AC-4 220 V 230 V: P= 143 kW, 380 V 400 V: P= 250 kW, 660 V 690 V: P= 440 kW, can be combined with auxiliary switch: DILM820-XHI., Contact configuration S = normally open: 2 S, Contact configuration Ö = normally closed: 2 Ö, Notes: Integrated protective circuit in the control electronics., 660 V, 690 V or 1000 V: do not reverse directly., Current type AC/DC: alternating and direct current operation