Poznámky redaktora
3 ains frequency settings
In the Mains frequency menu, you can choose between the frequency values: 50, 60Hz. 2
Page No.Parameter Function alues Notes
Data Logger Enable ON/OFF See Annex par.
1 tra t
The neutral protection normally set current value 50% the adjustment made the phases. 16. 14.4
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.
E.
1 tra ific tio s
To adjust neutral (InN) comply with the following formula: I1x InN <Iu.6..
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.g. 16.
With 3-pole CB, with external neutral, the relay performs checks and setting done user.1).
With 4-pole CB, this setting checked the relay which signals any failure means LED (see par. No.
14. 15.
A
Failure ith ttin lim its "In" and InN" can cause circ it-b dam age ith t
ris even r.
For four-pole CBs only.3). 14.
Note The adjustment I,=1In meant the maximum adjustment the overload protection.
With E1B800 having 800A Rating Plug, 800A and 11n, InN adjustment may be: 50-100%.5.
In any case, the relay records any setting error between I1and the Neutral setting and signals this means the warning (see par.
In the SACE PR123/P release, this protection can set for the following values: InN 50% 100% 150% 200% In.1
System Date
Time
Language
New password
English/Italiano/Frangais/Deutsch/Espanol
Display Contrast
The summary table relates the surfing the pages dedicated the PR120/K module (see par.1) and adjusts this parameter
independently the accepted limits. With E1B800 having 400A Rating Plug, 800A and 11n, InN adjustment may be: 50-100-200%.
106/158
.3) and the PR021/K unit (see par. The actual maximum allowable adjustment must take into account any
temperature derating, the terminals used and the altitude, (rating plug) 50% size.
In some installations, where particularly high harmonics occur, the current circulating the neutral may higher than that the phases.4
