Impedo
DUO
User Guide
99
6.2.5
Current connections
6.2.5.1
Direct (1A/5A Current Transformer (CT) Circuits)
6.2.5.1.1
Single phase connection
The Impedo DUO can interface with 1 A or 5 A CT circuits and has a peak long-term
current withstand of 6 A and 50 A for 3 seconds.
Table 13: CT circuit connection layout
Terminal
Legend
Description
1.
I
1+
Phase 1 Current Input
2.
I
1-
Phase 1 Current Return
3.
I
2+
None
4.
I
2-
None
5.
I
3+
None
6.
I
3-
None
7.
I
4+
None
8.
I
4-
None
Figure 64: CT circuit connection layout
P
ha
se
1
R
et
u
rn
P
ha
se
1
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