Wiring of the 3SK1 safety relay SIL 1 without line contactor
F2
Q21
S3
S4
K1
SIRIUS 3RW52 Soft Starter
Equipment Manual, 04/2020, A5E35630451002A/RS-AE/005
Fuse
Contactor
Start button
EMERGENCY STOP
3SK1111 safety relay
Example circuits
A.3 Special applications
241