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DEMA 400 Series User Manual

DEMA 400 Series
118 pages
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The menu view is as follows. The menu consists of five lines.
Over Frequency Protection Display
The settings that can be made in the menu are described below.
4.3.4.2.1 Protection

activated in the active state and disabled in the passive state.
4.3.4.2.2 Start Value
It is the screen where the over-frequency threshold protection is set when the protection is
active. Selection is made in the range of (45.1 - 64.9) Hz.
4.3.4.2.3 Operate Delay
The operation delay determines the characteristic of the protection curve with the delay type.
In the case of over frequency protection, the delay type is DMT. This delay is expressed by
the term tI >> and may take a value between (0.08 - 600) s.
4.3.4.2.4 Reset Delay

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DEMA 400 Series Specifications

General IconGeneral
BrandDEMA
Model400 Series
CategoryRelays
LanguageEnglish

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