Siemens SENTRON 3KC0 Manual page 123

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