Actuation Of A Line Contactor - Siemens SIRIUS 3RW51 Equipment Manual

F1, F2
K1
K2
Q1
Q11
Q21
Q22
K3
K4
P1
P2
M1
PE
A.2.5

Actuation of a line contactor

Requirements
• ON / RUN relay output was parameterized to RUN.
SIRIUS 3RW51 Soft Starter
Equipment Manual, 09/2020, A5E37108631002A/RS-AC/003
Fuse
Intermediate relay control for Reset > 4 s
Intermediate relay for IN
Motor starter protector
3RW51 soft starter
External bypass contactor
PLC
Intermediate relay for error
Intermediate relay for ON / RUN
Indicator light for error
Indicator light for ON / RUN
Motor
Protective conductor
Example circuits
A.2 Control circuit connection
181