Specifications

L2234
L2778
L4681
L5179
Emax
122/161
Doc. no.
Model
Apparatus
Scale
Page No
1SDH000460R0002
L5439
Parameter / Function Values Notes
Mains frequency 50-60 Hz Measured value
Available in self-supply mode
Contact wear Percentage of contact wear
Waveforms Current I1/I2/I3/Ne
Refresh
Harmonics
Voltage 12/23/31
Refresh
Harmonics
15.1.5.4. Measurements Menu
15.1.5.4.1 Historicals
1/7
Trip, measures, log
Power factor
Energy
Historicals
Measures
A whole range of measurements is accessible from the “Measurements/Historicals” menu.
15.1.5.4.2 Trips
The following is an example of a page showing the latest trip. You can access said page by selecting Trips via the path Measure-
ments / Historicals / Trips. The page shows the values for the type of protection that has been tripped (L in the example).
n. 02
L Protection
I1: 625 A I3: 623 A
I2: 617 A Ne: > 10.0 kA
Jan 06, 2004 08:52:11:733
Last Trip
Time (in hours and minutes) when CB opened
Meter: counts progressively (0 … 65,535) as of the
date of the latest trips reset. It shows the latest 20
trips which can still be selected.
15.1.5.4.3 Events
The following table shows a typical page concerning the latest events Log. You can access said page by selecting Events via the
path Measurements / Historicals / Events.
n. 01
Vaux On
1
Jan 10, 2004 08:52:11:733
Events Log
Meter: indicates “Last” and measures the previous ones ac-
cording to a -1, -2 up to -80 progression (e.g. second-last -1)
15.1.5.4.4 Measurements
This menu is for showing the following measurements:
I Max - Maximum current
P Max - Maximum active power
P Mean - Mean active power
U Max - Max line voltage (phase-to-phase)
U Min - Min line voltage (phase-to-phase)
Reset - Reset measurements
15.1.5.4.5 Power factor
Measured Cosj
---
Power factor
The unit provides the measurement of the global power fac-
tor. For phase power under 2% (0.02xPn
phase
) the value is not
displayed, but is replaced by ‘…..’.