Siemens Reyrolle 7SR45 Argus Device Manual page 43

This setting is set to suit the individual application.
Gn 50-n Delay
Default setting = 0.00 s
This setting is set to suit the individual application.
Gn 50-n Inrush Action
Default setting = Off
High levels of inrush currents into reactive components, for example transformers; when they are switched in
can result in operation of overcurrent elements. The inrush current can be detected by the 81HBL2 element.
This parameter can be configured to inhibit the overcurrent element automatically.
Parameter State
Off
Inhibit
Settings Menu
CONFIGURATION > FUNCTION CONFIG
Parameter
Gn Phase O/C
CONFIGURATION > CURRENT PROT'N > PHASE O/C > 50-n
Parameter
Gn 50-n Element
Gn 50-n Setting
Gn 50-n Delay
Gn 50-n Inrush Action Off
Information List
Input/Output Matrix User Logic
Inhibit 50-n
50-n
Reyrolle, 7SR45, Device Manual
C53000-G7040-C101-2, Edition 09.2020
Description
The element is not inhibited by operation of the 81HBL2 element.
The overcurrent element is inhibited by operation of the 81HBL2 element and
automatically released when the 81HBL2 element resets.
Setting Options
Disabled
Enabled
Setting Options
Disabled
Enabled
0.2 ⋅ I to 20.0 ⋅ I
rated rated
Δ 0.1 ⋅ I
rated
0 s to < 20 s
Δ 0.01 s
≥ 20 s to < 100 s
Δ 0.1 s
≥ 100 s to 600 s
Δ 1 s
Inhibit
Type
Inhibit 50-n Input
50-n Output
3.2 Instantaneous Overcurrent Protection (50)
Settings
Default Gn1
Disabled –
Settings
Default Gn1
Disabled –
1 ⋅ I –
rated
0 s –
Off –
IEC 103
–
Y
Functions
Gn2
–
Gn2
–
–
–
–
Modbus RTU
–
Y
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