Siemens SIRIUS 3RT Series System Manual page 588

SIRIUS 3RA21/22 load feeders
6.6 Mounting
Step
3
Step
4
Note
Proceed in the same way to disassemble the reversing starter (size S0).
588
Operating instruction
Push the release slide on the rear of the link module up.
Operating instruction
Take the link module off the contactor.
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03