Siemens SENTRON 3KF SITOR Manual page 144

List of abbreviations
Symbol / Meaning
Abbreviation
I
Rated short-time withstand current; rated short-time current
cw
I
Let-through current
c
I
Short-circuit current
k
I
Uninterrupted short-circuit current
KD
I
Maximum short-circuit current
K MAX
I
Rated operational current
e
I
Rated peak withstand current, impulse short-circuit current
P
I
Prospective current
sc
I
Conventional free-air thermal current
th
I
Rated uninterrupted current
U
U
Voltage across main contacts
U
Maximum voltage; rated operating voltage
e
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3KF switch disconnectors with fuses
Manual, 09/2019, L1V30580914002A-01