CT Lab Vecto III, User Manual

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Vecto III User Manual
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4.2.4 Current connections
4.2.4.1 Direct (1 A/5 A Current Transformer (CT) Circuits)
4.2.4.1.1 Single phase connection
The Vecto III 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.
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
Table 12: CT circuit connection layout
Figure 31: CT circuit connection layout