System overview   
1.7 Components and combinations 
  SIRIUS Innovations 
60  System Manual, 01/2011, A8E56203870002-03 
Accessories for load feeders 
The main accessories for 3RV2 motor starter protectors, and those for 3RT2 contactors 
(such as side-mounted and transverse auxiliary switches, current limiters, undervoltage 
limiters, rotary operating mechanisms, busbar adapters, etc.) can be used for 3RA21/22 load 
feeders and feeders for self-assembly. 
3RA21/22 pre-assembled load feeders 
The 3RA21/22 fuseless load feeders can be ordered as a complete device for direct-on-line 
starting or reversing operation. Sizes S00 and S0 are both available with either screw-type or 
spring-loaded connection systems. 
Reference 
 
More information ...  Is available in ... 
About SIRIUS 3RA21/22 load feeders  Chapter 6 "SIRIUS 3RA21/22 load feeders 
(Page 563)"