Motor rotation in line phase direction
/
4
0
0
/
/
3(
7
7
7
4
)
0
8
9
:
8
9
:
8 9
:
8 9
:
/
4
4
/
/
3(
7
7
7
)
0
/
/
/
/
/
/
Q1
Motor starter protector
F3
aR partial-range fuse for protection of semiconductors (e.g. SITOR 3NE3/4 or 3NC)
F3*
gR full-range fuse for protection of semiconductors (e.g. SITOR 3NE1)
Q11
3RW55 or 3RW55 Failsafe soft starter
Q21
Main or line contactor for galvanic isolation
M1
Motor
PE
Protective conductor
Example circuits
A.1 Main circuit connection
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
297