SIRIUS 3RA28 function modules for mounting on 3RT2 contactors   
7.3 Product combinations 
  SIRIUS Innovations 
650  System Manual, 01/2011, A8E56203870002-03 
7.3  Product combinations 
7.3.1  Product combinations 
Product combinations 
Since the products from the innovative SIRIUS modular system are matched to one another 
both electrically and mechanically, they can be combined quickly and easily. 
The 3RA28 function modules are dimensioned for 24 to 240 V AC/DC contactors (0.85 to 
1.1 U
s
), size S00 and S0. You can mount the function modules on the front of SIRIUS 
3RT2/3RH2 contactors or 3RA24 contactor assemblies. 
3RA24 pre-wired assemblies are available for star-delta (wye-delta) start.  
Reference 
 
More information ...  Is available in ... 
About the possible combinations of standard 
products from the SIRIUS modular system 
The chapter titled System overview (Page 19) 
About the pre-wired contactor assembly for star-
delta (wye-delta) start 
The chapter titled SIRIUS 3RT2 
contactors/contactor assemblies (Page 101)