Description
2.8 Electronic trip unit
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
89
The connections on the ETU are illustrated in the diagram below:
Interface for an external current transformer for N conductor
Interface for connection of an EFB300 external function box
Interface for connection of an RCD820 residual current device
Connection for test devices TD300 and TD500
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