Siemens SIRIUS 3RW52 - Feeder Assembly, Type of Coordination 1 with Fuses

Example circuits
A.1 Main circuit connection
SIRIUS 3RW52 Soft Starter
216 Equipment Manual, 04/2020, A5E35630451002A/RS-AE/005
A.1.2 Feeder assembly, type of coordination 1 with fuses
Feeder assembly
If galvanic isolation is required, install a main or line contactor between the
3RW52 soft starter and the fuses.
Do not connect the main and line contactor between the 3RW52 soft starter and the motor.
The 3RW52 soft starter could otherwise indicate a "Missing load" fault in case of a start
command and delayed connection of the contactor.
F1
gG full-range fuse for cable and line protection (e.g. 3NA3)
Q21
Main or line contactor for galvanic isolation
Q11
3RW52 soft starter
M1
Motor
PE
Protective conductor