Siemens SIRIUS 3RW52 Manual page 188

Example circuits
A.3 Special applications
F1 Fuse
S1 Switch
S2 Pushbutton: Reset > 4 s
S Soft start selector button
rated
S Start / stop (direct-on-line starting)
n1
Q1 Motor starter protector
Q11 Soft starter
Q21 Direct-on-line starting contactor
P1 Indicator light, fault
P2 Indicator light
P3 Indicator light
M1 Motor
188
SIRIUS 3RW52 Soft Starter
Manual, 01/2019, A5E35630451002A/RS-AD/004