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Example circuits
A.1 Main circuit connection
Motor rotation contrary to the line phase direction
Q1
F3
F3*
Q11
Q21
M1
PE
298
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)
3RW55 or 3RW55 Failsafe soft starter
Main or line contactor for galvanic isolation
Motor
Protective conductor
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
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