Siemens 3RW51 Series Manual page 149

Example circuits
A.1 Main circuit connection
A.1.1 Feeder assembly, type of coordination 1 fuseless
Feeder assembly, type of coordination 1 fuseless
The connections of the 3RW51 soft starter are wired into the motor feeder between the
motor starter protector and the motor. This achieves type of coordination 1.
Q1
Q11
Q21
M1
PE
3RW51 Soft Starter
Manual, 06/2019, A5E37108631002A/RS-AB/002
Motor starter protector (e.g. 3RV2 or 3VA)
3RW51 soft starter
External bypass contactor
Motor
Protective conductor
A
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