SIRIUS 3RR2 current monitoring relays 
  8.3 Product combinations 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
689 
8.3  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. 
Typical combinations for fuseless and fused designs have been fully tested and approved. 
Reference 
 
More information ...  Can be found in the chapter titled ... 
About the possible combinations of standard 
products from the SIRIUS modular system 
System overview, under Device combinations 
(Page 70)