Power contactor, application: Power contactor for motors, complete units up to 170 A, utilization category: AC-1: Non-inductive or low-inductive load, resistance furnaces, AC-3: Squirrel-cage motors: Starting, switching off during running, AC-4: Squirrel cage motors: Starting, counter-current braking, reversing, jogging, Connection method: Screw terminals, Note: Also suitable for motors of efficiency class IE3, Rated operational current AC-3 380 V 400 V: Ie= 40 A, Rated operational current AC-1 conventional thermal current, 3-pole, 50 - 60 Hz open at 40 °C: Ith = Ie= 60 A, enclosed: Ith= 45 A, rated operational current AC-1 conventional thermal current 1-pole open: Ith= 125 A, enclosed: Ith= 112 A, max. rated operational power three-phase motors 50 - 60 Hz AC-3 220 V 230 V: P= 12.5 kW, 380 V 400 V: P= 18.5 kW, 660 V 690 V: P= 23 kW, max. rated operational power three-phase motors 50 - 60 Hz AC-3 Rated operational power three-phase motors 50 - 60 Hz AC-4 220 V 230 V: P= 5 kW, 380 V 400 V: P= 9 kW, 660 V 690 V: P= 12 kW, Contact configuration S = NO contact: 2 S, Contact configuration Ö = NC contact: 2 Ö, Notes: Switching elements according to EN 50012, With mirror contact, Current type AC/DC: AC actuation
