Overcurrent and Earth Fault Curves
This drop down list is only available for Time vs Current Graph and it will display curve types depending on the selection.
Overcurrent curves are related with overcurrent protection devices, where earth fault curves are associated with earth fault protection devices i.e. RCD. Optoins are:
Overcurrent + Earth fault: Both types are visible.
Overcurrent: Only OCPD curves are visible.
Earth Fault: Only RCD curves are visible.