ABB RELION Series, Technical Manual

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13.2 Protective earth connections
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A070772 V1 EN
Figure 413: The protective earth screw is located between connectors X100 and
X110
The earth lead must be at least 6.0 mm
2
and as short as possible.
13.3 Binary and analog connections
All binary and analog connections are described in the product
specific application engineering guides.
13.4 Communication connections
The front communication connection is an RJ-45 type connector used mainly for
configuration and setting.
Section 13
1MRS758755 A
Protection relay's physical connections
766 REC615 and RER615
Technical Manual