Siemens SENTRON Manual page 187

Short-circuit behavior
Short-circuit current ratings in compliance with IEC 60947-6-1
Short-time withstand current
•
I
( , 60 ms, 415 V)
cw
Short-circuit current making
•
capacity
I
( , 415 V)
cm
Short-circuit current ratings in compliance with IEC 60947-3
Short-time withstand current
•
I
( , 60 ms, 415 V)
cw
Short-circuit current making
•
capacity
I
( , 415 V)
cm
Conditional short-circuit current with fuse
Continuous current of upstream
•
fuse
Conditional short-circuit current
•
with fuse (690 V) IEC 60947-3
Conditional short-circuit current
•
with fuse (415 V) IEC 60947-6-1
Let-through current of gG fuse at
•
415 V; max. permissible
I t value of the gG fuse at
• 2
400/500 V; max. permissible
Transfer switching properties
Switching time I-0 & II-0 RTSE /
ATSE
Switch-off time I-0-II & II-0-I
IEC 60947-6-1
Transfer time I-0-II & II-0-I
IEC 60947-6-1
Transfer time I-0-II & II-0-I
IEC 60947-6-1 with source monitor-
ing
Motor operator rated apparent pow-
er at 230 V AC
Motor operator peak inrush current
at 230 V AC
Manual, 08/2017, L1V30368969104A-02
11.2 Technical specifications 3KC4 and 3KC8 from 1250 A to 3200 A
3KC4.52 3KC4.54
3KC8.52 3KC8.54
kA 25
kA 52.5
kA 35
kA 73.5
A 1250 2 x 800
kA 100
kA 100
kA 100
kA s --
2
s 1.4
s 1.4
s 2.8
s 3.1
VA 184
A 2
3KC4.56
3KC8.56
32 50
67.2 105
50 50
105 105
--
100 --
100 --
100 --
-- --
1.4 1.6
1.5 1.2
2.9 2.8
3.3 2.8
230 322
2 3.5
Technical specifications
3KC4.58 3KC4.60
3KC8.58 3KC8.60
50 50
105 105
50 50
105 105
-- --
-- --
-- --
-- --
-- --
1.6 1.6
1.2 1.2
2.8 2.8
2.8 2.8
322 322
3.5 3.5
187