Technical specifications
11.2 Technical specifications 3KC4 and 3KC8 from 1250 A to 3200 A
Manual, 08/2017, L1V30368969104A-02
187
3KC4.52
3KC8.52
3KC4.54
3KC8.54
3KC4.56
3KC8.56
3KC4.58
3KC8.58
3KC4.60
3KC8.60
Short-circuit behavior
Short-circuit current ratings in compliance with IEC 60947-6-1
•
Short-time withstand current
(
I
cw
, 60 ms, 415 V)
kA
25
32
50
50
50
•
Short-circuit current making
capacity
(
I
cm
, 415 V)
kA
52.5
67.2
105
105
105
Short-circuit current ratings in compliance with IEC 60947-3
•
Short-time withstand current
(
I
cw
, 60 ms, 415 V)
kA
35
50
50
50
50
•
Short-circuit current making
capacity
(
I
cm
, 415 V)
kA
73.5
105
105
105
105
Conditional short-circuit current with fuse
•
Continuous current of upstream
fuse
A
1250
2 x 800
--
--
--
•
Conditional short-circuit current
with fuse (690 V) IEC 60947-3
kA
100
100
--
--
--
•
Conditional short-circuit current
with fuse (415 V) IEC 60947-6-1
kA
100
100
--
--
--
•
Let-through current of gG fuse at
415 V; max. permissible
kA
100
100
--
--
--
•
I
2
t value of the gG fuse at
400/500 V; max. permissible
kA
2
s
--
--
--
--
--
Transfer switching properties
Switching time I-0 & II-0 RTSE /
ATSE
s
1.4
1.4
1.6
1.6
1.6
Switch-off time I-0-II & II-0-I
IEC 60947-6-1
s
1.4
1.5
1.2
1.2
1.2
Transfer time I-0-II & II-0-I
IEC 60947-6-1
s
2.8
2.9
2.8
2.8
2.8
Transfer time I-0-II & II-0-I
IEC 60947-6-1 with source monitor-
ing
s
3.1
3.3
2.8
2.8
2.8
Motor operator rated apparent pow-
er at 230 V AC
VA
184
230
322
322
322
Motor operator peak inrush current
at 230 V AC
A
2
2
3.5
3.5
3.5
Summary of Contents for SENTRON
Page 1: ......
Page 2: ......
Page 10: ...Introduction 10 Manual 08 2017 L1V30368969104A 02 ...
Page 12: ...General information 2 1 Certification 12 Manual 08 2017 L1V30368969104A 02 ...
Page 24: ...Product information 3 2 Product family 24 Manual 08 2017 L1V30368969104A 02 ...
Page 26: ...Functions 26 Manual 08 2017 L1V30368969104A 02 ...
Page 176: ...Accessories 9 18 Electronic module 3KC8 only 176 Manual 08 2017 L1V30368969104A 02 ...
Page 220: ...Appendix A 3 Storage conditions 220 Manual 08 2017 L1V30368969104A 02 ...