ABB Relion 615 series - Connecting Ring-Lug Type Wires; Connecting Protective Earthing

See the application manual for product-specific connection diagrams.
5.2.1 Connecting ring-lug type wires
Ring-lug type insulated terminal can be used for signal connector X120. The
maximum outside diameter for the M4 ring-lug type terminals is 9 mm.
5.3 Connecting protective earthing
The earth lead must be at least 6.0 mm
2
. If the length of the earth
lead is long, the cross section of the wire must be increased.
Use fine copper wire as the earth lead.
To connect a separate earth protection lead:
1. Loosen the protective earth screw (T20) to connect a separate earth protection
lead.
7
6
7
8
24
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9
5
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2
1
8
6
23
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A070772 V1 EN
Figure 40: The protective earth screw is located between connectors
X100 and X110
Section 5 1MRS756375 K
Connecting
52 615 series
Installation Manual