Siemens SIRIUS 3RF Series

Table of contents
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
15
6 SIRIUS 3RA21/22 load feeders ............................................................................................................. 563
6.1 Standards...................................................................................................................................563
6.2
Produc
t description ....................................................................................................................564
6.2.1
Ov
erview ....................................................................................................................................564
6.2.2 Dev
ice versions..........................................................................................................................564
6.2.2.1 Pre-ass
embled complete devices..............................................................................................566
6.2.2.2 Self-ass
embled load feeders .....................................................................................................567
6.2.3 Applic
ations................................................................................................................................568
6.2.4 Applic
ation environment.............................................................................................................568
6.3 Produc
t combinations ................................................................................................................569
6.4
Func
tions....................................................................................................................................570
6.5
Configuration
..............................................................................................................................571
6.6 Mounting
....................................................................................................................................572
6.6.1
Ins
tallation guidelines.................................................................................................................572
6.6.1.1 Minimum cl
earances (400 V AC) ...............................................................................................572
6.6.2 Mounting and disassembling load feeders
................................................................................576
6.6.2.1 Ov
erview ....................................................................................................................................576
6.6.2.2 Load feeder
with screw-type connection system.......................................................................577
6.6.2.3 Load feeder
with spring-loaded connection system ..................................................................579
6.6.2.4 Load feeder
with hybrid connection ...........................................................................................589
6.6.3 Mounting and disassem
bling the assembly types .....................................................................593
6.6.3.1 On DIN
rail without DIN rail adapter ..........................................................................................593
6.6.3.2 On DIN
rail with DIN rail adapter................................................................................................594
6.6.3.3 On bus
bar system......................................................................................................................598
6.6.3.4 Wall mounting
............................................................................................................................605
6.7 Connec
tion.................................................................................................................................608
6.8
Operation
...................................................................................................................................608
6.9 Ac
cessories................................................................................................................................609
6.9.1
Ov
erview ....................................................................................................................................609
6.9.2 Ac
cessories for starter combinations.........................................................................................610
6.9.3 Link
modules..............................................................................................................................611
6.9.4 Accessories for DIN
rail mounting..............................................................................................614
6.9.5 Ac
cessories for busbar mounting...............................................................................................615
6.10 T
echnical data............................................................................................................................616
6.10.1
General data
..............................................................................................................................616
6.10.2 Conduc
tor cross-sections - main circuit.....................................................................................619
6.10.3 Conductor cross sections - auxiliary
circuit................................................................................621
6.11 D
imension drawings (dimensions in mm) ..................................................................................623
6.12 C
ircuit diagrams .........................................................................................................................637