Siemens SIRIUS 3RT - Conductor Cross-Sections for Spring-Loaded Connection Systems

Connection
8.2 Conductor cross-sections
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
238 Manual, 09/2017, A5E03656507120A/RS-AE/006
8.2.2
Conductor cross-sections for spring-loaded connection systems
Conductor cross-sections for spring-loaded connection systems
The tables below define the permissible conductor cross-sections for main terminals and
auxiliary conductor connections in sizes S00, S0 and S2 for spring-loaded connection
systems. In size S2, the spring-loaded connection system is used only in the control circuit.
Table 8- 17 Main conductors of size S00
Contactors
Tool
Ø 3.0 x 0.5 (3RA2908-1A)
Solid and stranded
2 x (0.5 to 4.0) mm²
Finely stranded without end sleeve
2 x (0.5 to 2.5) mm²
Finely stranded with end sleeve
2 x (0.5 to 2.5) mm²
AWG
2 x (20 to 12)
Table 8- 18 Main conductors of size S0
Contactors
Tool
Ø 3.0 x 0.5 (3RA2908-1A)
Solid and stranded
2 x (1.0 to 10) mm²
Finely stranded without end sleeve
2 x (1.0 to 6.0) mm²
Finely stranded with end sleeve
2 x (1.0 to 6.0) mm²
AWG
2 x (18 to 8)