3RA1 fuseless load feeders
SIRIUS System Manual
GWA 4NEB 430 0999-02b
5-21
5 3RA1 fuseless load feeders
5.5.2 Connection
The fuseless load feeders are available with the SIGUT
terminal system.
Conductor cross-sections
The following table gives the permissible conductor cross-sections for fuse-
less load feeders. The specifications apply to main and auxiliary connec-
tions.
Frame sizes S00 and S0:
Table 5-3: Conductor cross-sections (frame size S00/S0)
Frame size S2:
Table 5-4: Conductor cross-sections (frame size S2)
S00
A1/A2; NO/NC
L1 L2 L3
T1 T2 T3
S0
A1/A2; NO/NC
L1 L2 L3
T1 T2 T3
∅
5 ... 6 mm / PZ2
0.8 to 1.2 Nm
7 to 10.3 lb.in
0.8 to 1.2 Nm
7 to 10.3 lb.in
2 to 2.5 Nm
18 to 22 lb.in
2 x (0.5 to 1.5 mm²)
2 x (0.75 to 2.5 mm²)
2 x (0.5 to 1.5 mm²)
2 x (0.75 to 2.5 mm²)
2 x (1 to 2.5 mm²)
2 x (2.5 to 6 mm²)
2 x (0.5 to 2.5 mm²)
2 x (0.5 to 2.5 mm²)
2 x (1 to 2.5 mm²)
2 x (2.5 to 6 mm²)
AWG
2 x (18 to 14)
2 x (18 to 14)
2 x (14 to 10)
10
10
S2
A1/A2; NO/NC
L1 L2 L3
T1 T2 T3
∅
5 ... 6 mm / PZ2
0.8 to 1.2 Nm
7 to 10.3 lb.in
∅
5 ... 6 mm / PZ2
3 to 4.5 Nm
27 to 40 lb.in
2 x (0.5 to 1.5 mm²)
2 x (0.75 to 2.5 mm²)
2 x (0.75 to 16 mm²)
2 x (0.5 to 2.5 mm²)
2 x (0.75 to 16 mm²)
1 x (0.75 to 25 mm²)
----
----
2 x (0.75 to 25 mm²)
1 x (0.75 to 35 mm²)
AWG
2 x (18 to 14)
AWG
2 x (18 to 3)
1 x (18 to 2)
10
13
10
13
13