Nortech F10 - CT Connections

F10
Earth Fault Indicator
© Nortech Management Ltd, United Kingdom
Page 10 of 16
4.3 CT connections
The CT arrangement the F10 will be used with is a factory set option.
Wire the summated output from the
CT secondary’s to the CT terminals
of the F10.
The current transformers should be
connected as shown in the diagram,
it is important that the polarities are
as shown.
Wire the output from the CT secondary
to the CT terminals of the F10.
3 phase CT connections
Single core balanced CT connection