WAGO 750-495/040-00 Series Manual page 120

120 Connect Devices
Figure 28: Connection Schematic for Ungrounded 3-Phase Network with Neutral Conductor for
Power Measurement and Voltage Measurement on 2 Line Conductors for U
and u
Table 35: Legend for Figure "Connection Schematic for Ungrounded 3-Phase Network with Neutral
Conductor for Power Measurement and Voltage Measurement on 2 Line Conductors for
U
LN
No. Explanation
1 Generator:
Generator or transformer in Y connection, without grounding
2 Loads with impedances (Zx):
- Load connection: in Y connection
- Load type: symmetrical (I
3 Current transformer (CT4) for current measurement in the neutral
conductor (optional)
4 Connection terminal N:
Reference potential for all voltage inputs and differential current inputs
Manual
Version 1.2.0
750-495/040-00x 3-Phase Power Measurement Module 690 V
≤ 400 V
LN
RMS
≤ 400 V and u ≤ 400 V
LN
RMS
WAGO-I/O-SYSTEM 750 XTR
"
RMS
= 0) or asymmetrical (I
N
≤ 400 V
LN
RMS
≠ 0)
N