WAGO 750-495/040-00 Series Manual page 133

WAGO-I/O-SYSTEM 750 XTR
750-495/040-00x 3-Phase Power Measurement Module 690 V
Figure 32: Connection Schematic for Grounded 3-Phase Network with Neutral Conductor for Power
Measurement and Voltage Measurement on 3 Line Conductors for U
u
LN
Table 39: Legend for Figure "Connection Schematic for Grounded 3-Phase Network with Neutral
Conductor for Power Measurement and Voltage Measurement on 3 Line Conductors for
U
LN
No. Explanation
1 Generator:
Generator or transformer in Y connection, with star point grounding
2 Loads with impedances (Zx):
- Load connection: in Y connection
- Load type: symmetrical (I
3 Current transformer for current measurement in the neutral conductor
(optional)
4 Connection terminal N:
Reference potential for all voltage inputs and differential current inputs
≤ 400 V
RMS
> 400 V and u ≤ 400 V
RMS LN
"
RMS
= 0) or asymmetrical (I
N
Connect Devices 133
> 400 V and
LN RMS
≠ 0)
N
Manual
Version 1.2.0