Accessories
4.9 Communication and system integration
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
485
The diagram below presents the components which render a 3VA molded case circuit
breaker capable of communication.
Communication system architecture for 3VA
The central components of communication-capable 3VA molded case circuit breakers are
the ETUs 5-series or 8-series.
You can find additional information in the 3VA Communication System Manual. There the
components are regarded only as suppliers of information or receivers of commands.
Typical communication partners are:
● SIMATIC S7
● powermanager
While reference is frequently made to these systems, they are not an integral part of the 3VA
communication system.
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