Siemens SIRIUS 3RW50 - Page 225

Example circuits
A.3 Special applications
SIRIUS 3RW50 soft starter
Manual, 09/2019, A5E35628455002A/RS-AA/001
225
Wiring
Wiring of the 3SK1 safety relay
Q21
Contactor
Q22
Contactor
S3
Start button
S4
Emergency stop
K1
3SK1111 safety relay