SIRIUS 3RT2 contactors/contactor assemblies   
2.7 Accessories 
  SIRIUS Innovations 
168  System Manual, 01/2011, A8E56203870002-03 
Disassembling the auxiliary switch on the front - 2-/4-pole auxiliary switch block (size S00) 
 
Step  Operating instruction  Image 
1  Activate the release lever on the auxiliary 
switch block. 
2  Push the auxiliary switch block up and pull it 
forward to remove it from the contactor. 
 
 
 
 
 
Note 
The procedure for mounting/disassembling the 1-pole auxiliary switch block on the front is 
the same. 
 
Mounting the lateral auxiliary switch (size S0) 
 
Step  Operating instruction  Image 
1  Attach the lateral auxiliary switch to the 
contactor and snap it on. 
 
 
 
 
Note 
The laterally mountable auxiliary switch blocks according to DIN EN 50012 can only be used 
if no 2-pole or 4-pole auxiliary switch blocks are snapped onto the front.