Siemens SIRIUS 3RW55 - Page 338

Wiring of the 3SK1 safety relay SIL 1 with line contactor
$
7,17,17,17,1
)6

$
/RJLF
$XWRVWDUW0RQLWRUHG6WDUW
.
/
/
6
6)
4
4

4
F2 Fuse
Q11 Line contactor
Q21 Contactor
S3 Start button
S4 EMERGENCY STOP
K1 3SK1111 safety relay
Example circuits
A.3 Special applications
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
338 Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006