Siemens SIRIUS 3RT Manual page 174

Configuration
6.16 Contact service life of auxiliary and main contacts
Contact service life of the main contacts
The characteristic curves show the contact endurance of the contactors when switching
capacitive loads (AC-6b) depending on the reactive power Q
The rated operational current I
the rated operational current) and is intended for a contact endurance of at least 150 000 to
200 000 operating cycles.
174
complies with utilization category AC-6b (breaking 1.35 times
e
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
and rated operational voltage.
N