Technical specifications
6.4 Derating and temperature compensation
3VA molded case circuit breakers with IEC certificate
640
Manual, 03/2019, A5E03603177010-03
Limitation of the rated continuous operational current in combination with accessories
The table below shows the maximum rated continuous operational current for the plug-in
version of switch disconnectors in sizes 160 A, 250 A and 400 A and for switch
disconnectors combined with residual current devices:
No derating up to the rated operational current I
n
of the molded case circuit breaker
No derating up to the rated operational current I
n
of the molded case circuit breaker
None of the other available accessories require derating of the 3VA1 switch disconnector.