Siemens SIRIUS 3RT Manual page 149

6.13 Starting three-phase motors with reduced starting current peaks (contactor assembly for star-delta (wye-
delta) start)
The illustration below shows the 3RA24 contactor assemblies for star-delta (wye-delta) start
without a communication connection in size S0 with a screw-type connection system:
Figure 6-4
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
Contactor assembly for star-delta (wye-delta) start with screw-type connection system
without a communication connection (size S0)
Configuration
149