Siemens SIRIUS 3RT - Page 232

Connection
8.2 Conductor cross-sections
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
232 Manual, 09/2017, A5E03656507120A/RS-AE/006
Table 8- 5 Main conductors of size S6 with box terminal block
Contactor with 3RT1955-4G box terminal block
Tool
4 mm Allen key
Tightening torque
10.0 ... 12.0 Nm
Solid
1 x (16 ... 70) mm² 1 x (16 ... 70) mm² max. 50 + 70 mm²
Finely stranded with
end sleeve
1 x (16 ... 70) mm² 1 x (16 ... 70) mm² max. 50 + 70 mm²
Ribbon cables
min. 3 x 9 x 0.8
max. 6 x 15.5 x 0.8
AWG
1 x (AWG 6 to 2/0)
1 x (AWG 6 to 2/0)
max. AWG 1/0 + 1/0
Table 8- 6 Main conductors of size S6 with box terminal block
Contactor with 3RT1956-4G box terminal block
Tool
4 mm Allen key
Tightening torque
10.0 ... 12.0 Nm
Solid
1 x (16 ... 120) mm² 1 x (16 ... 120) mm² max. 95 + 120 mm²
Finely stranded with
end sleeve
1 x (16 ... 120) mm² 1 x (16 ... 120) mm² max. 95 + 120 mm²
Ribbon cables
min. 3 x 9 x 0.8
max. 10 x 15.5 x 0.8
AWG 1 x (AWG 6 to 250
kcmil)
1 x (AWG 6 to 250
kcmil)
max. AWG 3/0 + 3/0