Contactor Assemblies For Star-Delta (Wye-Delta) Start (S6 / S10 / S12) - Siemens SIRIUS 3RT Manual

Circuit diagrams

11.7 Contactor assemblies for star-delta (wye-delta) start (S6 / S10 / S12)

11.7 Contactor assemblies for star-delta (wye-delta) start (S6 / S10 /
S12)
Main circuit
Control circuit
Pushbutton switch control
S0
S1
S
K1
K2
K3
K4
F0
F1
490
"OFF" button
"ON" button
Maintained-contact switch
Line contactor
Star contactor
Delta contactor
Solid-state time-delay auxiliary switch block or timing relay
Fuses
Overload relay
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006