Siemens 3RW51 Series Manual page 180

Example circuits
A.3 Special applications
Q11
Q21
Q22
Q23
P1
P2
M1
PE
A.3.3.1 Wiring of the 3SK1 safety relay SIL 3 with line contactor
F2
F3
Q11
Q21
Q22
S3
S4
K1
180
Soft starter
Contactor
Contactor
External bypass contactor
Indicator light: Fault
Indicator light: Emergency stop
Motor
Protective conductor
Fuse
Fuse
Line contactor
Contactor
Contactor
Start button
Emergency stop
3SK1111 safety relay
Manual, 06/2019, A5E37108631002A/RS-AB/002
3RW51 Soft Starter