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0 About this manual
0.3 Abbreviations and symbols
6
PXR Electronic trip unit
01/21 MN012005EN
www.eaton.com
0.3 Abbreviations and symbols
The following abbreviations are used in this manual:
Table 1: Abbreviations used
The symbols used in this manual have the following meanings:
▶
indicates an action to be taken.
Abbreviation
Meaning
ARMS
Arc Flash Reduction Maintenance System™
ECAM
Ethernet communication adapter module
G
Ground fault (= ground-fault protection I
g
)
I
Instantaneous (= instantaneous short-circuit protection I
i
)
I
g
Ground-fault trip
I
i
Non-delayed instantaneous trip
I
n
Rated operational current
I
r
Overload release
I
sd
Short-time delayed short-circuit release
L
Long delay (= overload protection I
r
)
PXPM
“Power Xpert Protection Manager” (software)
PXR
“Power Xpert Release”
RTU
Remote terminal unit
S
Short delay (= short-time delayed short-circuit protection I
sd
)
t
g
Ground-fault delay time
t
r
Time-lag
t
sd
Duration of short-time delay
ZSI
Zone selective interlocking
→
The abbreviation PXR:
For the PXR10, PXR20 and PXR25 versions, the abbreviation
PXR is used if a statement applies equally to all three.
Содержание Power Xpert PXR 10
Страница 4: ...II ...
Страница 40: ...4 Protection settings 4 12 Residual life indicator 36 PXR Electronic trip unit 01 21 MN012005EN www eaton com ...
Страница 166: ...11 Troubleshooting 160 PXR Electronic trip unit 01 21 MN012005EN www eaton com ...
Страница 170: ...12 PXR25 Navigation menu 164 PXR Electronic trip unit 01 21 MN012005EN www eaton com ...