Siemens sirius System Manual page 320

3RA1 fuseless load feeders
Conductor cross-sections - main circuit
Specifications
Type
Frame size
Number of poles
Connection type
Terminal screw
Minimum/maximum conductor cross-sections
Finely stranded with wire end ferrule
- 1-wire
- 2-wire
Single- or multi-core
- 1-wire
- 2-wire
Ribbon conductor
Bar connection
Single- or multi-core
Multi-core
Connection type
Permissible installation position
1) After the box terminals have been removed, lug or busbar connections are possible.
5-30
IEC 60 947-1, EN 60 947-1 (VDE 0660 Part 100)
IEC 60 947-2, EN 60 947-2 (VDE 0660 Part 101)
IEC 60 947-4-1, EN 60 947-4-1 (VDE 0660 Part 102)
3RA1.1 3RA1. 2
S00 S0
3 3
Screw-type Screw-type
terminal terminal
Pozidriv 2 Pozidriv 2
2
mm 0.5/2.5 1/6
2
mm 0.5/2.5 1/2.5 to 2.5/6
2
mm 0.5/4 1/6 (max. 10)
2
mm 0.75/2.5 (max. 4) 1/2.5 to 2.5/6
– –
– –
AWG 2 x (18 to 14) 2 x (14 to 10)
AWG – –
Cage Clamp terminal
2
mm 2 x (0.5 to 2.5) –
AWG 2 x (18 to 14)
22,5° 22,5°
90° 90°
Important:
In acc. with DIN 43 602
Start command "I"
right or above
3RA1. 3 3RA11 4
S2 S3
3 3
Box terminal Box terminal
Pozidriv 2 Allen screw
1
0.75/25 2.5/50 )
1
0.75/16 2.5/35 )
1
0.75/35 2.5/70 )
1
0.75/25 2.5/50 )
yes yes
– yes
2 x (30 to 2) –
– 2 x (10 to 1/0)
SIRIUS System Manual
GWA 4NEB 430 0999-02b