Protection - DEMA 400 Series User Manual

poles in a distribution center and opening of the breaker, stopping the engine in the event that
the water supply of a water pump is depleted.
In order for the phase low current protection function works properly, any of the
programmable inputs must be assigned the 52a function.
Phase Undercurrent Protection is indicated by I< in IEC 60617 Standards; PHI_PIUC in IEC
61850 Standards; 37P-I in IEEE/ANSI Standards
Phase Undercurrent Protection
IEC 61850 IEC 60617 IEEE-ANSI
EŞİK-1 PHI_PIUC
I< 37P-I
Phase Undercurrent Protection Function Values
The menu view is as follows.
The settings that can be made in the menu are described below.
4.3.2.6.1

Protection

It can be selected 'Active' or 'Passive'.According to the treshold situation, the protection is
activated in the active state and disabled in the passive state.
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