ABB SACE Emax 2 Series Operating Instructions Manual page 28

I Protection
t
I3
t3
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I protection protects against instantaneous short circuit.
When the activation threshold is exceeded, the protection trips within a fixed non-adjustable time.
Parameters
I
The user can set the intervention threshold.
Parameter
By setting the threshold dip-switches to the Off position, the protection is
Enable
disabled.
It defines the current value that activates the protection when exceeded (with
I
reference to the curve, it is the part parallel to the y-axis).
Threshold I3
Description
IMPORTANT: The I3 threshold set must be higher than the I2
threshold. An incorrect configuration returns an alarm signal.
ABB | SACE Emax 2
Ekip Dip
2 - Protections - Introduction