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

• SIRIUS 3RA23 reversing contactor assemblies, up to 55 kW (sizes S00 to S3)
• Reversing contactor assemblies consisting of SIRIUS 3RT1 contactors, up to 250 kW (sizes S6 to S12)
• SIRIUS 3RA13 reversing contactor assemblies, up to 45 kW (sizes S00 to S3)

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

• 3TD reversing contactor assemblies for operational currents AC‑3 to 630 A
  corresponding to 335 kW at 400 V or 600 kW at 690 V