Siemens SIRIUS 3RU - Page 106

Connection
8.4 Connection cross-sections
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
106 Manual, 09/2016, A5E03656507420A/RS-AB/003
Table 8- 5 Main conductors of size S6 with box terminal block
Electronic overload relay with box
terminal block 3RT1955-4G
Electronic overload relay with box
terminal block 3RT1956-4G
Tool
4 mm Allen key
4 mm Allen key
Tightening torque
10.0 ... 12.0 Nm
Solid
–
Stranded
2 x (max. 70) mm²
2 x (max. 120) mm²
1 x (16 ... 70) mm² 1 x (16 ... 120) mm²
Finely stranded without end
sleeve
2 x (1 x max. 50, 1 x max. 70) mm² 2 x (1 x max. 95,
1 x max. 120) mm²
1 x (1 ... 70) mm² 1 x (10 ... 120) mm²
Finely stranded with end
sleeve
2 x (1 x max. 50, 1 x max. 70) mm² 2 x (1 x max. 95,
1 x max. 120) mm²
1 x (1 ... 70) mm²
1 x (10 ... 120) mm²
Ribbon cables
2 x (6 x 15.5 x 0.8)
2 x (10 x 15.5 x 0.8)
1 x (3 x 9 x 0.8 ... 6 x 15.5 x 0.8) 1 x (3 x 9 x 0.8 ... 10 x 15.5 x 0.8)
AWG
2 x (max. 1/0)
2 x (max. 3/0)
1 x (6 ... 2/0)
1 x (6 ... 250 kcmil)