Specifications

L2234
L2778
L4681
L5179
Emax
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Doc. No
Model
Apparatus
Scale
Page No
1SDH000460R0002
L5439
Each time the unit is turned on, or after more than 2 minutes of inactivity on the keyboard, the display indicates the following.
page (default):
Percentage of the actual currents and
voltages with respect to the rated
values (100%)
Current of the phase under the great-
est load
Indication for the phase under the greatest
load (L1, L2, L3, N)
10:22:53
400A
(I )
1
U1 U2 U3 I1 I2 I3 In
13.5.2. Protections menu
From the interface you can press ENTER to access the menu of the various protections available on the display
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Protections settings
Measures
Settings
Protections
Menu
1/5
Protections settings
Measurements
Settings
Protections
Menu
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Overload
S Protection
I Protection
L Protection
Protections
Enter 
Using the “arrow UP” and “arrow DOWN” you can view the various protections.
On the whole, the data that you can display when the optional additional PR120/V module is installed concern the protections:
L, S, I, G, Gext, RC, U, UV, OV, RV, RP, UF, OF, OT, LOAD PROTECTION.
Example of surfing the Protections menu
From the Protection main page you can press ENTER to go to the Protection L Menu.
You can use “arrow UP” and “arrow DOWN” to select the items on the menu and confirm by pressing ENTER. Pressing this key
triggers a Password prompt, then you can select the functions associated with the protection L (as in the example).
Enter 
Enter 
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Overload
S Protection
I Protection
L Protection
Protections
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Threshold I1
Time T1
Function
L Protection
t=k/i
2
Password
Enter password
0***
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t=0.14b/(i -1)
0.02
T=13.5b/(i-1)
t=k/i
2
Function
PSW + Enter 
Example of how to select the curve t=k/I
2
Similarly, to access the menus for the other protections, see the Protections Menu table below.
13.5.2.1. Protections menu table
Protection Parameter / Function
L Curve
Threshold I1
Time t1
Thermal memory ON / OFF
S Enable ON / OFF
Curve
Threshold I2
Time t2
Zone selectivity ON / OFF
Selectivity time
Enable StartUp ON / OFF
StartUp threshold
StartUp time
I Enable ON / OFF
Threshold I3
Enable StartUp ON / OFF
StartUp threshold
StartUp time