SIRIUS 3RA21/22 load feeders 
  6.6 Mounting 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
597 
 
Step  Operating instruction 
1  Attach a connecting piece to each of the two DIN rail adapters. Insert each of the 
connecting pieces into the left-hand line of holes. 
2  Snap the feeder onto the DIN rail adapter. Insert the tabs on the connecting pieces 
into the fastening holes on the contactors. 
3  Screw the feeder to the DIN rail adapter: 
  Use two screw holders for the screw mounting. 
  Attach a screw holder underneath each connecting piece, flush with the 
contactor's mounting base. 
  Screw the screw holder to the adapter. 
The feeder sits tight on the adapter. 
Mounting the size S0 reversing starter with AC operation and spring-loaded connection system on 
DIN rail 
G
 
Step  Operating instruction 
1  Mount the spacer (d) on the contactor (if this has not been done already). 
2  Snap the feeder onto the DIN rail adapter. 
3  Screw the feeder to the DIN rail adapter: 
  Use one screw to fasten the left-hand contactor and another to fasten the right-
hand contactor. 
  Push the screw through the lower left-hand fastening hole and the adjacent 
spacer (d). 
Do not use any connecting pieces to fasten the connection. 
The feeder sits tight on the adapter. 
Disassembling the feeder from the DIN rail adapter 
To disassemble the feeder, unscrew the screws and pull the feeder down to remove it. 
Disassembling the DIN rail adapter from the DIN rail 
To disassemble the adapter, press on it then pull it down to remove it.