Siemens SIRIUS 3RT Manual page 409

9.28 Assembly kit for contactor assemblies for star-delta (wye-delta) start (sizes S00 to S3)
Assembling the contactor assembly for star-delta (wye-delta) start with screw-type connection -
size S2-S2-S2
① ②
/
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
Insert the mechanical interlock (3RA2934-2B) into the opening on the right-hand side of
contactor Q13.
Optional component A (mechanical interlock) is mandatory for mechanical interlocking.
Accessories
409