Siemens SIRIUS 3RT Manual page 374

Accessories
9.26 Assembly kit for reversing contactor assemblies (sizes S00 to S3)
4-pole assembly with mechanical interlock
The illustrations below show how to mount the 4-pole assembly with mechanical interlock in
size S0.
① ②
/
③
374
Remove the 4th pole from one of the two contactors by releasing the snap hooks.
Attach the 4th pole to the other side of the same contactor by hooking it into the openings on
the contactor and snapping the pole onto the contactor.
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006