80
4 wire asymmetrical (VDE) current transformer configuration
Terminal Phase Function Terminal Phase Function
1 1 I1 - CT1 in 7 3 I3- CT3 in
2 1 U1 - Voltage 8 3 U3 - Voltage
3 1 I1 - CT1 out 9 3 I3 - CT3 out
4 2 I2 - CT2 in 11 N Un - Neutral
5 2 U2 - Voltage
6 2 I2 - CT2 out
Typical wiring illustrated below: