Star-delta contactor combination, application: contactor combinations for starting motors in star-delta, switching frequency: max. 30 starts/hour, accessories: star-delta combinations SDAINL, utilization category: AC-3: squirrel cage motors: starting, switching off during operation, rated operating current AC-3 380 V 400 V: Ie= 140 A, max. rated operating power three-phase motors 50 - 60 Hz AC-3 220 V 230 V: P= 37 kW, 380 V 400 V: P= 75 kW, 500 V: P= 90 kW, 660 V 690 V: P= 90 kW, max. switching time: 20 s, operating voltage: 230 V 50 Hz, 240 V 60 Hz, current type AC/DC: AC operation, individual components of the combination mains contactor Q11: DILM80, + DILM150-XHI31, delta contactor Q15: DILM80, + DILM150-XHI11 type, star contactor Q13: DILM50, + DILM150-XHI11 type, time relay K1: ETR4-51 type, Note: Also suitable for motors of efficiency class IE3