Siemens SIRIUS 3RU - Page 107

Connection
8.4 Connection cross-sections
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
Manual, 09/2016, A5E03656507420A/RS-AB/003
107
Table 8- 6 Main conductors of size S10 / S12 with box terminal block
Electronic overload relay with box terminal
block 3RT1966-4G
Tool
5 mm Allen key
Tightening torque
20.0 ... 22.0 Nm
Solid
–
Stranded
2 x (70 ... 240) mm²
Front clamping point only:
1 x (95 ... 300) mm²
Rear clamping point only:
1 x (120 ... 240) mm²
Finely stranded without end sleeve
2 x (50 ... 185) mm²
Front clamping point only:
1 x (70 ... 240) mm²
Rear clamping point only:
1 x (120 ... 185) mm²
Finely stranded with end sleeve
2 x (50 ... 185) mm²
Front clamping point only:
1 x (70 ... 240) mm²
Rear clamping point only:
1 x (120 ... 185) mm²
Ribbon cables
2 x (20 x 24 x 0.5)
1 x (6 x 9 x 0.8 ... 20 x 24 x 0.5)
AWG
2 x (2/0 ... 500 kcmil)
Front clamping point only:
1 x (3/0 ... 600 kcmil)
Rear clamping point only:
1 x (250 ... 500 kcmil)