Protection I - ABB SACE Emax 2 Series Installation, Operation And Maintenance Instructions
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Protection I
t
I3
t3
40 | © 2013 ABB | 1SDH001000R0002 - L7804
The protection I protects against instantaneous short circuit.
When the activation threshold is exceeded, the protection trips within a fixed non-adjustable
time.
I
Parameters
The user can set the activation threshold.
Parameter
I
Enabling
Threshold (I3)
Description
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 (in
reference to the curve, it is the part parallel to the ordinate).
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 release | 2 - Protections
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