Q1
F3
F3*
Q21
Q22
Q11
M1
PE
3RW51 Soft Starter
Manual, 06/2019, A5E37108631002A/RS-AB/002
Motor starter protector
aR partial-range fuse for protection of semiconductors (e.g. SITOR 3NE3/4 or 3NC)
gR full-range fuse for protection of semiconductors (e.g. SITOR 3NE1)
External bypass contactor
Motor contactor for electrical decoupling
3RW51 soft starter
Motor
Protective conductor
Example circuits
A.1 Main circuit connection
155