Siemens SIRIUS 3RW50 Manual page 222

Example circuits
A.3 Special applications
Wiring of the 3RW50 soft starter
F1
S1
S2
Q1
Q11
Q21
P1
P2
M1
222
Fuse
Switch: Start / stop
Pushbutton: Reset > 4 s
Motor starter protector
3RW50 soft starter
Contactor
Indicator light
Indicator light
Motor
SIRIUS 3RW50 soft starter
Manual, 09/2019, A5E35628455002A/RS-AA/001