SIEMENS
3/174
Siemens IC 10 · 2017
Contactor Assemblies for Star-Delta (Wye-Delta) Starting
SIRIUS 3RA24 contactor assemblies for star-delta (wye-delta) starting, up to 90 kW
3
Fully wired and tested contactor assemblies for star-delta (wye-delta) starting · Size
S2-S2-S0
1)
·
Up to 45 kW and S2-S2-S2 · 55 kW
The figure shows the version with screw terminals in S2-S2-S2
1)
Complete contactor assembly for star-delta (wye-delta) starting in
size S2-S2-S0 (not shown): The 3RA2933-2C assembly kit is to be used
here,
see page 3/110
.
Complete contactor assemblies for star-delta (wye-delta)
starting
see page 3/181
.
Mountable accessories (optional)
Complete contactor assembly for star-delta (wye-delta) starting
To be ordered separately
Type
Page
Individual parts
Type
Page
Q11
Q13
Q12
Three-phase infeed terminal
3RV2935-5A
3/114
Contactors, 22/30 kW
3RT2035
3RT2035
3RT2026
3/55, 3/64
Contactors, 37 kW
3RT2035
3RT2035
3RT2027
3/55, 3/64
Contactors, 45 kW
3RT2036
3RT2036
3RT2028
3/55, 3/64
Contactors, 55 kW
3RT2037
3RT2037
3RT2035
3/55, 3/64
Assembly kit S2-S2-S2
comprising:
3RA2933-2BB1
3/110
Four connectors for three contactors (not required for fully pre-
wired contactor assemblies for star-delta (wye-delta) starting)
Wiring modules on the top and bottom
for connecting the main and auxiliary circuits
Star jumper S2
Cable for connecting the A2 coil contact from the line contactor
with the A2 coil contact of the delta contactor (not shown in the
drawing)
Mechanical interlock
3RA2934-2B
3/113
Function modules for star-delta
(wye-delta) starting
3RA2816-0EW20
3/105
Base plate star-delta
(wye-delta)
3RA2932-2F
3/117
16
5
10
8
6
1
2
3
4
9
9
5
IC01_00627
16
1
2
3
1
2
3
1
2
3
1
2
3
...
4
7
4
5
6
7
8
9
10
© Siemens AG 2016