1750
Operators Manual
ØA/L1 
GND
ØC/L3 
ØB/L2
1750 POWER RECORDER
VOLTAGE 
POWER
A 
B 
C 
N
47- 63 Hz
ON
CURRENT 
SD
ETHERNET
LINKBUSY
A/L1
GND
B/L2
C/L3
azd12f.eps
Figure 9. Three-Phase IT
Example: Industrial power in countries that use the IT (Isolated Terra) system, such as Norway.
20
