Siemens SIRIUS 3RT Series - Page 134

SIRIUS 3RT2 contactors/contactor assemblies
2.4 Configuration
SIRIUS Innovations
134 System Manual, 01/2011, A8E56203870002-03
Control circuit (sizes S00 and S0)
Table 2- 13 Control circuit of the reversing contactor assembly (sizes S00 and S0)
Pushbutton switch control Maintained-contact operation
L1(L+)
N(L-)
F3
F2
S0
S2
Q11
Q12
Q12
Q11
S1
Q11 Q12S2S1
95
96
22
21
53
54
53
54
22
A1
21
A2
A1
A2
L1(L+)
N(L-)
F3
F2
S2
Q11
Q12
Q12
Q11
95
96
22
21
22
A1
21
A2
A1
A2
102
Table 2- 14 Legend - Control circuit of the reversing contactor assembly (sizes S00 and S0)
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