I Protection - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions For The Installer And The User

I Protection

t
I3
I
t3
I
39 | © 2017 ABB | 1SDH000999R0002 - ECN000058721 - Rev. B
The I protection protects against instantaneous short circuit.
When the activation threshold is exceeded, the protection trips within a fixed non-adjustable time.
Parameters
The user can set the intervention threshold.
Parameter Description
Enable By setting the threshold dip-switches to the Off position, the protection is disabled.
It defines the current value that if exceeded activates the protection (with reference
to the curve, it is the part parallel to the y-axis).
Threshold I3
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 protection trip unit | 2 - Protections