Siemens SIRIUS 3RW55 Equipment Manual page 310

Example circuits
A.3 Special applications
Wiring for inside-delta circuit in Ex operation with additional line contactor (fuse-protected
configuration)
F1
S1
S2
Q1
Q11
Q21
P1
M1
PE
F3
310
Fuse
Switch: Motor On / Off
Pushbutton: Reset
Motor starter protector
3RW55 soft starter
Line contactor
Indicator light
Motor
Protective conductor
gR full-range fuse for protection of semiconductors, e.g. SITOR 3NE1
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006