Poznámky redaktora
In the SACE PR123/P release, this protection can set for the following values: InN 50% 100% 150% 200% In. 16.
E.1
System Date
Time
Language
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Display Contrast
The summary table relates the surfing the pages dedicated the PR120/K module (see par.
With 4-pole CB, this setting checked the relay which signals any failure means LED (see par. 14. No.
106/158
.3).Parameter Function alues Notes
Data Logger Enable ON/OFF See Annex par. With E1B800 having 400A Rating Plug, 800A and 11n, InN adjustment may be: 50-100-200%. 16.3 ains frequency settings
In the Mains frequency menu, you can choose between the frequency values: 50, 60Hz.
14.
In some installations, where particularly high harmonics occur, the current circulating the neutral may higher than that the phases.1).
Settings 2/9
Enter J
Password
Enter J
Main Frequency 1/2
Circuit Breaker
0***
Enter password
1 I
Main Frequency Hz
Modules ▼
50 Hz
Model 2234 Apparatus Scale
L2778
Doc.6. 2
Page No.
With 3-pole CB, with external neutral, the relay performs checks and setting done user.3) and the PR021/K unit (see par.5.1) and adjusts this parameter
independently the accepted limits.
A
Failure ith ttin lim its "In" and InN" can cause circ it-b dam age ith t
ris even r.4.
Note The adjustment I,=1In meant the maximum adjustment the overload protection. 14.
In any case, the relay records any setting error between I1and the Neutral setting and signals this means the warning (see par.
For four-pole CBs only..6.
1 tra t
The neutral protection normally set current value 50% the adjustment made the phases. 15.g.4
Sampling frequency
Stop event
Stopping delay
Restart
Stop
Dual setting Enable ON/OFF
Default setting
Dual Set closure
Dual Set with Vaux
SET SET B
Measurement interval from 120 min, step min
Harm onic distortion ON/OFF The warning indicates that the distortion exceeds
factor 2.
With E1B800 having 800A Rating Plug, 800A and 11n, InN adjustment may be: 50-100%.
1 tra ific tio s
To adjust neutral (InN) comply with the following formula: I1x InN <Iu. The actual maximum allowable adjustment must take into account any
temperature derating, the terminals used and the altitude, (rating plug) 50% size
