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List of abbreviations
C.1
Table of abbreviations
Overview
Table C-1
Abbreviation
AC
ACB
ACT
AUX
CC
DC
DIN
DISCON
ESD
EMC
EN
ETU
G
GF
I
I/O
IEC
INST
IP
L
LT
[tripping characteris‐
tic]
MF
MO
MOC
N
LV
LV fuse
PSS
Rc CT
RCD
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03
Meaning of abbreviations used in this document
Meaning
AC voltage
Air circuit breaker
Actuator module
Auxiliary switch
Closing coil
Direct voltage
Deutsches Institut für Normierung e. V. (German Institute for Standardization)
DISCONNECT
Electrostatic sensitive devices
Electromagnetic compatibility
European Standard
Electronic trip unit
Ground fault (ground-fault protection GF)
Ground fault (protection)
Instantaneous (instantaneous short-circuit protection INST)
Input / Output
International Electrotechnical Commission
Instantaneous (short-circuit protection)
International Protection
Long time delay (overload protection LT), overload release
Partial overload range of the characteristic curve of a switching device
Metering function
Motor operator (spring charging motor)
Mechanical Operating Counter (mechanical operating cycles counter)
Neutral conductor, neutral protection
Low voltage
Low-voltage fuse
Position signaling switch
Summation current transformer
Residual Current Device
C
267
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