Siemens SIRIUS 3RT Series System Manual page 223

Mounting the function module for star-delta (wye-delta) start
CAUTION
Disconnect the power supply before mounting the function module for star-delta (wye-delta)
start.
Note
If you are building contactor assemblies from individual components, the function modules
take over the tasks associated with control circuit wiring and the timing relay. The wiring
modules for connecting the control current paths are not required.
Step
1
2 / 3
4
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
Operating instruction
Check that the locking
slide is engaged in the
topmost position.
Remove the interface
connection from the slot
by lifting it up and out.
Attach the basic
module/coupling module
to the contactor from the
front. To do this, insert the
contacts into the openings
on the contactor.
SIRIUS 3RT2 contactors/contactor assemblies
Figure
2.7 Accessories
223