Siemens SIRIUS 3RU2 - Page 71

Connection
8.4 Connection cross-sections
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
Manual, 09/2014, A5E03656507420A/RS-AA/002
71
Table 8- 9 Auxiliary conductors of sizes S00, S0 and S2 on the 3RU2 thermal overload relay
Overload relay
Tool
Ø3.0 x 0.5 (3RA2908-1A)
Solid and stranded
2 x (0.5 to 2.5) mm²
Finely stranded without end sleeve
2 x (0.5 to 2.5) mm²
Finely stranded with end sleeve 2 x (0.5 to 1.5) mm²
AWG 2 x (20 to 14)
Table 8- 10 Removable terminal on the 3RB3 solid-state overload relay
Removable terminal
Tool
Ø3.0 x 0.5 (3RA2908-1A)
Solid and stranded
2 x (0.25 to 1.5) mm²
Finely stranded without end sleeve
2 x (0.25 to 1.5) mm²
Finely stranded with end sleeve 2 x (0.25 to 1.5) mm²
AWG 2 x (24 to 16)