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= 30 A, max. rated operating power three-phase motors 50 - 60 Hz AC-3 220 V 230 V: P= 7.5 kW, 380 V 400 V: P= 15 kW, 500 V: P= 18.5 kW, 660 V 690 V: P= 18.5 kW, max. switching time: 20 s, operating voltage: 230 V 50 Hz, 240 V 60 Hz, current type AC/DC: Alternating current operation, individual components of the combination Mains contactor Q11: DILM17-10, + DILA-XHI20, Delta contactor Q15: DILM17-01, + DILA-XHI20 type, Star contactor Q13: DILM17-01, + DILA-XHI20 type, Time relay K1: ETR4-51 type, Note: Also suitable for motors of efficiency class IE3