What level of current flow triggers an SCF3 fault on an ATV61 or ATV71 series drive?

Issue:
ATV61 or ATV71 current flow that triggers an SCF3

Product Line:
ATV61 / ATV71 series

Environment:
All models, All serial numbers

Cause:
Information not available in current literature.

Resolution:
SCF3 faults:
The purpose of this function is to detect a short circuit to the ground at the start-up or while running.

Detection time:
Quick hardware detection (a few μs) . Output current sum > 25% of the current rating of the drive.

Publicerad för: Schneider Electric Sverige