Technical data
10.3 Technical specifications of 3KC0 from 630 to 1600 A
3KC0 manual transfer switching equipment
124
Manual, 09/2018, L1V30368969105-01
Short-circuit behavior
Manual transfer switching equipment (MTSE)
from 360 to 1600 A, 3KC0....
46-.Q
48-.Q
50-.R
52-.R
54-.R
Size
4
5
Continuous current
A
630
800
1000
1250
1600
Short-circuit current ratings in compliance with IEC 60947-6-1:
•
Short-time withstand current (I
cw
,
100 ms, 415 V)
kA
30
50
•
Short-circuit current making capacity
(I
cm
, 415 V)
kA
63
105
Short-circuit current ratings in compliance with IEC 60947-3:
•
Short-time withstand current (I
cw
, 1 s,
415 V / 690 V)
kA
30
50
•
Short-circuit current making capacity
(I
cm
, 690 V)
kA
63
105
Conditional short-circuit current with fuse: Operational power in compliance with IEC 60947-3
•
Continuous current of upstream gG
fuse (500 V / 690 V)
A
630
800
1000/ –
1250/ –
1600/ –
•
Conditional short-circuit current with
gG fuse (415 V)
kA
100
65
100
80
80
•
Conditional short-circuit current with
gG fuse (415 V)
kA
100
65
100
80
80
•
Conditional short-circuit current with
gG fuse (690 V)
kA
65
50
–
•
Max. permissible let-through current
of gG fuse (500 V)
kA
65.5
70.8
95.2
112.6
•
Max. permissible let-through current
of gG fuse (690 V)
kA
54
65
–
•
Max. permissible I
2
t value
of gG fuse (500 V)
kA
2
s
3687.5
7471.7
15400
25960
30900
•
Max. permissible I
2
t value
of gG fuse (690 V)
kA
2
s
4450
103000
–
