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What is the ATV12 current threshold to trip on ground fault, SCF3?

Published date: 27 June 2019

Issue:
What is the ATV12 current threshold to trip on ground fault, SCF3?

Product Line:
Altivar 12

Environment:
All models

Cause:
NA

Resolution:
The threshold for an SCF3 fault is 25% of the nominal drive current. The fault appears when the vector sum of the output currents is greater than this level.

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