Connecting Ring-Lug Type Wires; Connecting Protective Earthing - ABB RER615 Installation Manual

Section 5
Connecting
5.2.1
5.3
34
See the application engineering guide for product-specific connection
diagrams.

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.

Connecting protective earthing

The earth lead must be at least 6.0 mm
cross section of the wire must be increased.
Use fine copper wire as the earth lead.
1. Loosen the protective earth screw (T20) to connect a separate earth protection
lead.
A070772 V1 EN
Figure 23: The protective earth screw is located between connectors X100
and X110
1MRS757799 C
2
. If the earth lead is long, the
1 1
2 2
3
3
4 4
5
5
6
6
7 7
8 8
9 9
10 10
11 11
12
12
13
13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
21 21
22 22
23
23
24 24
REC615 and RER615
Installation Manual