Siemens SIRIUS 3RT - Page 145

Configuration
6.12 Operation of a motor in two directions of rotation (reversing contactor assembly)
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
145
Typical control circuit
Table 6- 6 Typical control circuit of the reversing contactor assembly
Pushbutton switch control
Maintained-contact operation
Table 6- 7 Legend - Typical control circuit of the reversing contactor assembly
Abbreviation
Explanation
S0
"OFF" button
S1 "ON - Clockwise rotation" button
S2
"ON - Counterclockwise rotation" button
S
"Clockwise - Off - Counterclockwise" selector switch
Q11
Clockwise rotation contactor
Q12
Counterclockwise rotation contactor
F1
Fuses for main circuit
F2
Overload relay
F3
Fuses for control circuit