Power contactor, Application: Power contactor for motors, standard 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, plugging, reversing, inching, Connection technology: Screw connection, Rated operating current AC-3 380 V 400 V: Ie= 400 A, Rated operating current AC-1 conventional thermal current, 3-pole, 50 - 60 Hz open at 40 °C: Ith = Ie= 612 A, encapsulated: Ith= 450 A, Rated operating current AC-1 conventional thermal current 1-pole open: Ith= 1250 A, encapsulated: Ith= 1125 A, Max. rated operating power three-phase motors 50 - 60 Hz AC-3 220 V 230 V: P= 125 kW, 380 V 400 V: P= 212 kW, 660 V 690 V: P= 300 kW, max. rated operating power three-phase motors 50 - 60 Hz AC-4 220 V 230 V: P= 92 kW, 380 V 400 V: P= 160 kW, 660 V 690 V: P= 240 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 current operation