Siemens SIRIUS 3RT - Page 237

Connection
8.2 Conductor cross-sections
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
237
Current-dependent minimum conductor cross-sections
Table 8- 15 Current-dependent minimum conductor cross-sections - capacitor contactors S2 (3RT2637)
L1, L2, L3
3RT2637
I
rms
≤ 133 A
> 133 A
1 x 50 mm
2
2 x 35 mm
2
AWG 1 x 0 2 x 2
Max. 200 A Max. 160 A
Table 8- 16 Current-dependent minimum conductor cross-sections - capacitor contactors S3 (3RT2646)
L1, L2, L3
3RT2646
I
rms
≤ 160 A
> 160 A
1 x 70 mm
2
2 x 50 mm
2
AWG
1 x 3/0
2 x 2/0
Max. 250 A Max. 200 A