SIRIUS 3RT2 contactors/contactor assemblies   
2.5 Mounting 
  SIRIUS Innovations 
152  System Manual, 01/2011, A8E56203870002-03 
Step  Operating instruction  Image 
4  Insert the new magnet coil. In doing so, 
make sure that the springs between the 
magnet coil and the front half of the 
contactor are properly located on the 
support. 
5 / 6  Reattach the front part of the contactor onto 
the rear half until the retaining clips engage.
Write the coil voltage of the newly inserted 
coil onto the label supplied and stick the 
label onto the front panel of the contactor, 
as shown in the diagram. 
Thoroughly cross out the coil voltage stated 
above terminal A1.