Siemens SENTRON - List of Abbreviations

Manual, 08/2017, L1V30368969104A-02
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List of abbreviations
C
Table C- 1 Meaning of abbreviations used in this document
Abbreviation
Meaning
1PH + N Single-phase network with 1 phase and neutral
3PH Three-phase 3-wire network with 3 phases without neutral
3PH + N Three-phase 4-wire network with 3 phases and with neutral
AC Alternating voltage
ATS Automatic transfer switch (electronic module)
ATSE Automatic transfer switching equipment
Cu Copper
DC Direct voltage
DPS Dual power supply
EN European Standard
ESD Electrostatic discharge
IEC International Electrotechnical Commission
IP International Protection
N Neutral conductor
RJ Registered jack
PH Phase
RTSE Remotely operated transfer switching equipment
Table C- 2 Meaning of symbols and abbreviations
Sym-
bol/abbreviation
Meaning
ΔU Voltage tolerance
ΔF Frequency tolerance
I
2
t Let-through energy
I
cm
Short-circuit current making capacity
I
cw
Short-time withstand current
U
e
Rated operational voltage
V
Imp
Impulse withstand voltage
U
n
Nominal voltage