Siemens SIRIUS 3RU2 - Page 68

Connection
8.4 Connection cross-sections
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
68 Manual, 09/2014, A5E03656507420A/RS-AA/002
Table 8- 2 Main conductors of size S0
Overload relay
1)
Tool Pozidriv size PZ 2, Ø 5 to 6 mm
Tightening torque 2.0 to 2.5 Nm
Solid and stranded
2 x (1.0 to 2.5) mm²
2 x (2.5 to 10) mm²
Finely stranded with end
sleeve
2 x (1 to 2.5) mm²
2 x (2.5 to 6) mm²
Max. 1 x 10 mm²
AWG 2 x (16 to 12)
2 x (14 to 8)
1)
Only 1 conductor can be clamped on the stand-alone assembly support.
Table 8- 3 Main conductors of size S2 with box terminal
Overload relay
1)
Tool Pozidriv size PZ 2, Ø 5 to 6 mm
Tightening torque 3.0 to 4.5 Nm
Solid and stranded
2 x (1 to 35) mm²
1 x (1 to 50) mm²
Finely stranded without end
sleeve
–
Finely stranded with end
sleeve
2 x (1 to 25) mm²
1 x (1 to 35) mm²
AWG 2 x (18 to 2)
1 x (18 to 1)
1)
Only 1 conductor can be clamped on the stand-alone assembly support.