Siemens SIRIUS Series

Accessories
12.3 SIRIUS infeed system for 3RA6
SIRIUS 3RA6 Compact Starter
114 System Manual, 02/2008, GWA 4NEB 560 0601-02 DS 02
Conductor cross-sections
Table 12-5 Screw-type infeed (25/35 mm²) (L1, L2, L3) and PE infeed, 25/35 mm², with screw-type
connection technology
3RA6812-8AB (L1, L2, L3)
3RA6812-8AC (L1, L2, L3)
3RA6860-6AB
∅ 6 mm/PZ 2
3 ... 4.5 Nm
(27 … 40 lb·in)

2.5 … 35 mm
2
2.5 … 35 mm
2
Max. (2 x 25) mm
2

2.5 … 25 mm
2
2.5 … 25 mm
2
Max. (2 x 16) mm
2

2.5 … 25 mm
2
2.5 … 25 mm
2
Max. (2 x 16) mm
2
AWG 12 to 2 12 to 2 Max. 2 x (16 to 2)
Table 12-6 Screw-type infeed (50/70 mm²) (L1, L2, L3)
3RA6813-8AB (L1, L2, L3)
3RA6813-8AC (L1, L2, L3)
SW4
6 … 8 Nm
(53 … 71 lb·in)

2.5 … 70 mm
2
2.5 … 70 mm
2
Max. (2 x 50) mm
2

4 … 50 mm
2
10 … 50 mm
2
Max. (2 x 35) mm
2

2.5 … 35 mm
2
2.5 … 50 mm
2
Max. (2 x 35) mm
2
AWG 10 to 2/0 10 to 2/0 Max. 2 x (10 to 1/0)