Siemens SIRIUS 3RW50 Manual page 228

Example circuits
A.3 Special applications
Wiring
F1 Fuse
S1 Switch
S2 Pushbutton: Reset > 4 s
S Soft start selector button
n
S Start / stop (direct-on-line starting)
n1
Q1 Motor starter protector
Q11 3RW50 soft starter
Q21 Direct-on-line starting contactor
P1 Indicator light, fault
P2 Indicator light
P3 Indicator light
M1 Motor
228
SIRIUS 3RW50 soft starter
Manual, 09/2019, A5E35628455002A/RS-AA/001