CT Lab Vecto III, User Manual

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Vecto III User Manual
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Terminal Legend 110V VT Circuit or 400V/550V Star (4-wire) Systems
1. V
1
Phase Voltage
2. V
2
3. V
3
4. V
com
Neutral
5. V
4+
Earth
6. V
4-
Neutral
Table 9: VT circuit connection layout for single phase connection
•
Connect the phase Voltage to Voltage Inputs 1 as shown in Figure 28.
•
Connect Neutral (on 400 V systems) or the star-point (on 110 V VT circuits) to
V
com
.
•
The fourth voltage input may be used to measure Neutral-Earth voltage.
Figure 28: Vecto III single-phase connection