F20
Twin Earth Fault Indicator
© Nortech Management Ltd, United Kingdom
Page 10 of 16
4.3
CT connections
The CT arrangement the F20 will be used with is a factory set option.
Wire the summated output from the
CT
secondary’s
to the CT terminals
of the F20.
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 F20.
3 phase CT connections
Single core balanced CT connection
