SIRIUS 3RT2 contactors/contactor assemblies 
  2.7 Accessories 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
225 
Assembling the contactor assembly for star-delta (wye-delta) start with screw-type connection - size 
S00 
 
CAUTION 
 
Disconnect the power supply before mounting the 3RA24 contactor assembly for star-
delta (wye-delta) start. 
 
The mechanical interlock and the connecting clips are mounted and the function modules 
are plugged in in the same way as described for size S0 with screw-type connection. 
Table 2- 74  Assembling the contactor assembly for star-delta (wye-delta) start with screw-type 
connection (size S00) 
Step  Operating instruction  Figure 
1  Break the wiring module apart. 
The wiring modules for connecting the 
control current paths are not needed to 
build a contactor assembly for star-delta 
(wye-delta) start with function modules. 
2 / 3  Attach the wiring module for connecting the 
main current paths to contactors Q11 and 
Q13 from above and below. 
4  Attach the wiring module for the neutral 
bridge to contactor Q12 from above. 
5 / 6  Screw the wiring modules tight with a 
screwdriver.