Technical data
10.2 Technical specifications of 3KC0 from 200 to 500 A
3KC0 manual transfer switching equipment
Manual, 09/2018, L1V30368969105-01
121
Short-circuit behavior
Manual transfer switching equipment (MTSE)
from 200 to 500 A, 3KC0....
36-.P
38-.P
40-.P
42-.P
44-.Q
Size
3
4
Continuous current
A
200
250
315
400
500
Short-circuit current ratings in compliance with IEC 60947-6-1:
•
Short-time withstand current
(I
cw
, 100 ms, 415 V)
kA
18
30
•
Short-circuit current making capacity
(I
cm
, 415 V)
kA
36
63
Short-circuit current ratings in compliance with IEC 60947-3:
•
Short-time withstand current
(I
cw
, 1 s, 415 V / 690 V)
kA
13
30
•
Short-circuit current making capacity
(I
cm
, 690 V)
kA
26
63
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
250
400
630
•
Conditional short-circuit current with
gG fuse (415 V)
in compliance with IEC 60947-6-1
kA
100
65
100
•
Conditional short-circuit current with
gG fuse (415 V)
kA
100
65
100
•
Conditional short-circuit current with
gG fuse (690 V)
kA
65
35
65
•
Max. permissible let-through current
of gG fuse (500 V)
kA
24.8
34.3
65.5
•
Max. permissible let-through current
of gG fuse (690 V)
kA
25
33
54
•
Max. permissible I
2
t value
of gG fuse (500 V)
kA
2
s
426.5
1165
3687.5
•
Max. permissible I
2
t value
of gG fuse (690 V)
kA
2
s
348
1157.5
4450