Siemens SIRIUS 3RT - Page 352

Accessories
9.18 Parallel switching connectors
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
352 Manual, 09/2017, A5E03656507120A/RS-AE/006
Making capacity/breaking capacity
The table below specifies the magnitude of a contactor's making and breaking capacities, in
relation to the load currents for two or three current paths connected in parallel:
Table 9- 32 Parallel switching connections: Making capacity/breaking capacity
3-pole switching
2 current paths in
parallel
3 current paths in
parallel
4 current paths in parallel
Making capacity 12 x I
e
(utilization
category AC-4)
Breaking capacity 10 x I
e
(utilization
category
AC-4)