You can find assemblies here with 3RT contactors up to size S12 from the SIRIUS controls family:

• SIRIUS 3RA24 contactor assemblies for star-delta (wye-delta) starting sizes S00 to S2
• SIRIUS 3RA14 contactor assemblies for star-delta (wye-delta) starting sizes S00 to S12

For especially high motor currents, there are also assemblies with the 3TF68 contactor in size 14:

• 3TE contactor assemblies for star-delta (wye-delta) starting for operational currents AC-3 to 1 090 A
  corresponding to 630 kW at 400 V or 1 000 kW at 690 V