Nortech F10 - Wiring Connections

F10
Earth Fault Indicator
© Nortech Management Ltd, United Kingdom
Page 11 of 16
4.4 Wiring connections
F10 wiring connections are provided as screw terminals inside the lid of the
enclosure.
If mounted within a cable termination enclosure, one core of the CT should be
connected to earth for safety.
1 2 7 85 63 4
C T
ALARM RESET
AC DC
COM
Battery
Battery
If it is not already connected the
battery should be plugged in.
CT connections
Connect CT secondary output to terminals 1
& 2.
Output contacts (Alarm)
Circuit between terminals 3 & 4 is normally
closed and will open when the F10 is
indicating.
Circuit between terminals 4 & 5 is normally
open and will close when the F10 is
indicating.
Remote reset
Apply 110V-230V ac between terminals 6 &
8 for 10s to reset the F10.
Apply 12V-24V dc between terminals 7 & 8
for 500ms to reset the F10.
F10 wiring connections