Siemens SENTRON 3VA27 - List of Abbreviations; Table of Abbreviations

3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
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List of abbreviations
C
C.1
Table of abbreviations
Overview
Table C- 1 Meaning of abbreviations used in this document
Abbreviation
Meaning
AC AC voltage
ACB
Air circuit breaker
ACT
Actuator module
AUX
Auxiliary switch
CC
Closing coil
DC
Direct voltage
DIN
Deutsches Institut für Normierung e. V. (German Institute for Standardization)
DISCON
DISCONNECT
ESD
Electrostatic sensitive devices
EMC
Electromagnetic compatibility
EN
European Standard
ETU
Electronic trip unit
G
Ground fault (ground-fault protection GF)
GF
Ground fault (protection)
I
Instantaneous (instantaneous short-circuit protection INST)
I/O
Input / Output
IEC
International Electrotechnical Commission
INST
Instantaneous (short-circuit protection)
IP
International Protection
L
Long time delay (overload protection LT), overload release
LT
[tripping characteris-
tic]
Partial overload range of the characteristic curve of a switching device
MF
Metering function
MO
Motor operator (spring charging motor)
MOC
Mechanical Operating Counter (mechanical operating cycles counter)
N
Neutral conductor, neutral protection
LV
Low voltage
LV fuse
Low-voltage fuse
PSS
Position signaling switch
Rc CT
Summation current transformer