SIRIUS 3RA21/22 load feeders   
6.10 Technical data 
  SIRIUS Innovations 
616  System Manual, 01/2011, A8E56203870002-03 
6.10  Technical data 
6.10.1  General data 
Table 6- 31  3RA2 fuseless load feeders - General data 
Type  3RA2.1  3RA2.2 
Size  S00  S0 
Number of poles  3  3 
General data   
Standards 
  IEC 60947-1, DIN EN 60947-1 
(VDE 0660 Part 100) 
  IEC 60947-2, DIN EN 60947-2 
(VDE 0660 Part 101) 
  IEC 60947-4-1, DIN EN 60947-4-1 
(VDE 0660 Part 102) 
Maximum rated current I
n
 
max
 
(= maximum rated operational current I
e
) 
A  16  32 
°C  -20 to +60 for operation Permissible ambient temperature 
°C  -55 to +80 for storage/transport 
Rated operational voltage U
e
  V  690 
Rated frequency  Hz  50 / 60 
Rated insulation voltage U
i
(pollution degree 3)   V  690 
Rated impulse withstand voltage U
imp
 kV 6 
Tripping class (CLASS)  acc. to IEC 60947-4-1, 
DIN EN 60947-4-1 
(VDE 0660 Part 102) 
  10 
Rated short-circuit I
q
 at AC 50/60 Hz 400 V acc. to 
IEC 60947-4-1, DIN EN 60947-4-1 (VDE 0660 Part 102) 
kA  153 
Types of coordination acc. to IEC 60947-4-1, 
DIN EN 60947-4-1 (VDE 0660 Part 102) 
 
1)
 
up to 1.25 A  W  2   
1.6 to 6.3 A  W  2.3   
8 to 12 A  W  3.5   
16 A  W  4.3   
5 ... 6.3  W    2.3 W 
8 ... 12 A  W    3.5 W 
Power loss P
v max
of all main 
current paths dependent on 
rated current I
n
 (upper 
setting range) 
16 to 32 A  W    4.3 W