Siemens SENTRON 3WL10 Series Manual page 228

List of abbreviations
C.1 Table of abbreviations
Abbreviation
RR
RTC
S
ST
ST/CC
TCP
TD
USB
UVR
VDE
VDI
Table C- 2
Symbol/
abbreviation
Δt
I
Δn
I
1
I
"
KG
I
t
2
I
cm
I
cn
I
cs
I
cu
I
cw
I
d
I
D
I
g
I
i
I
k
I
KD
I
K MAX
I
Kmaxline
I
n
I
P
I
r
I
s
226
Meaning
Remote reset magnet
Ready to close signaling switch
Short-time-delayed short-circuit protection (ST)
Short-time-delayed short-circuit protection
Auxiliary solenoid
Transmission Control Protocol
Test Device
Universal Serial Bus
Undervoltage release
Verein Deutscher Ingenieure (Association of German Electrical Engineers)
Verein Deutscher Ingenieure (Association of German Engineers)
Meaning of symbols and abbreviations
Meaning
Delay time
Residual current; rated residual current; response current
Inrush current
Initial balanced short-circuit current
Let-through energy
Making capacity; rated short-circuit making capacity
Rated breaking capacity; rated short-circuit breaking capacity
Maximum short-circuit breaking capacity (partial selectivity); rated service
short-circuit breaking capacity
Maximum short-circuit breaking capacity (full selectivity); rated ultimate short-circuit
breaking capacity
Rated short-time withstand current; rated short-time current
Prospective current; residual current; response residual current
Let-through current
Ground-fault protection; ground-fault release; ground-fault current setting value
Instantaneous tripping current; instantaneous short-circuit protection; instantaneous
magnetic protection; rated tripping current of instantaneous trip
Short-circuit current
Uninterrupted short-circuit current
Maximum short-circuit current
Uninterrupted short-circuit current of system
Rated current
Rated peak withstand current, impulse short-circuit current
Thermal protection; setting current; response value; current setting value of
adjustable overload protection (pickup value overload protection)
Limit current with selectivity; maximum short-circuit current for selectivity limit
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01