ABB RELION 620 Series Technical Manual page 871

1MAC504801-IB E
620 series ANSI
Technical Manual
GUID-90BAEB05-E8FB-4F8A-8F07-E110DD63FCCF-ANSI V1 EN
Figure 452: Trip time curve based on IDMT characteristic with Minimum trip time set
to 1 second
General function block features
Section 12
865