Siemens SIRIUS 3RU - Page 105

Connection
8.4 Connection cross-sections
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
Manual, 09/2016, A5E03656507420A/RS-AB/003
105
Table 8- 4 Main conductors of size S3 with box terminal block
Overload relays
Tool
4 mm Allen key
Tightening torque
4.5 ... 6.0 Nm
Solid
2 x (2.5 ... 16) mm²
Stranded
2 x (6 ... 16) mm²
2 x (10 ... 50) mm²
1 x (10 ... 70) mm²
Finely stranded without end sleeve
–
Finely stranded with end sleeve
2 x (2.5 ... 35) mm²
1 x (2.5 ... 50) mm²
Ribbon cables
2 x (6 x 9 x 0.8)
AWG
2 x (10 to 1/0)
1 x (10 to 2/0)