Poznámky redaktora
1) and adjusts this parameter
independently the accepted limits.
E.3 ains frequency settings
In the Mains frequency menu, you can choose between the frequency values: 50, 60Hz..
A
Failure ith ttin lim its "In" and InN" can cause circ it-b dam age ith t
ris even r.
106/158
.
Note The adjustment I,=1In meant the maximum adjustment the overload protection.
1 tra ific tio s
To adjust neutral (InN) comply with the following formula: I1x InN <Iu.
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.
With 3-pole CB, with external neutral, the relay performs checks and setting done user. The actual maximum allowable adjustment must take into account any
temperature derating, the terminals used and the altitude, (rating plug) 50% size.
With 4-pole CB, this setting checked the relay which signals any failure means LED (see par.3) and the PR021/K unit (see par. 16.6. No.4. 16.g.3).
In the SACE PR123/P release, this protection can set for the following values: InN 50% 100% 150% 200% In.
For four-pole CBs only.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. 14.Parameter Function alues Notes
Data Logger Enable ON/OFF See Annex par.
In any case, the relay records any setting error between I1and the Neutral setting and signals this means the warning (see par.
1 tra t
The neutral protection normally set current value 50% the adjustment made the phases. With E1B800 having 400A Rating Plug, 800A and 11n, InN adjustment may be: 50-100-200%.6.1
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.
With E1B800 having 800A Rating Plug, 800A and 11n, InN adjustment may be: 50-100%. 15. 14.
In some installations, where particularly high harmonics occur, the current circulating the neutral may higher than that the phases. 2
Page No.1).
14.5
