3 wire asymmetrical (VDE) current transformer configuration
Terminal Phase Function Terminal Phase Function
1 1 I1 - CT1 in 7 3 I3- CT2 in
2 1 U1 - Voltage 8 3 U3 - Voltage
3 1 I1 - CT1 out 9 3 I3 - CT2 out
4
No connection 11
No connection
5 2 U2 - Voltage
6
No connection
Typical wiring illustrated below:
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