Medium Voltage Power Cables Catalogue - AEC Online

Annex F: Short Circuit Current
Table F.1
Max. short circuit temperature for cable components
Material Cable component Max. short circuit temp. ºC
Conductor
Copper or aluminum
250 *
Insulation
XLPE Insulation
250
Sheathing
PVC Sheath
LDPE Sheath
HDPE Sheath
Lead Sheath
Lead Alloy Sheath
200
150
180
170
210
* For XLPE insulated cables.
Table F.2
kA Short circuit current - Copper conductor - XLPE Insulated
C.S.A
Short circuit duration sec.
mm 2 0.1 0.2 0.3 0.4 0.5 1.0 2.0 3.0 4.0 5.0
25
35
50
70
95
120
150
185
240
300
400
500
630
800
1000
1200
1400
1600
1800
2000
2500
11.3
15.8
22.6
31.7
43.0
54.3
67.9
83.7
108.6
135.7
181.0
226.2
285.1
362.0
452.5
543.0
633.5
724.0
814.4
904.9
1131.2
8.0
11.2
16.0
22.4
30.4
38.4
48.0
59.2
76.8
96.0
128.0
160.0
201.6
256.0
319.9
383.9
447.9
511.9
575.9
639.9
799.9
6.5
9.1
13.1
18.3
24.8
31.3
39.2
48.3
62.7
78.4
104.5
130.6
164.6
209.0
261.2
313.5
365.7
418.0
470.2
522.5
653.1
5.7
7.9
11.3
15.8
21.5
27.1
33.9
41.9
54.3
67.9
90.5
113.1
142.5
181.0
226.2
271.5
316.7
362.0
407.2
452.5
565.6
5.1
7.1
10.1
14.2
19.2
24.3
30.4
37.4
48.6
60.7
80.9
101.2
127.5
161.9
202.4
242.8
283.3
323.8
364.2
404.7
505.9
3.6
5.0
7.2
10.0
13.6
17.2
21.5
26.5
34.3
42.9
57.2
71.5
90.1
114.5
143.1
171.7
200.3
228.9
257.6
286.2
357.7
2.5
3.5
5.1
7.1
9.6
12.1
15.2
18.7
24.3
30.4
40.5
50.6
63.7
80.9
101.2
121.4
141.6
161.9
182.1
202.4
252.9
2.1
2.9
4.1
5.8
7.8
9.9
12.4
15.3
19.8
24.8
33.0
41.3
52.0
66.1
82.6
99.1
115.7
132.2
148.7
165.2
206.5
1.8
2.5
3.6
5.0
6.8
8.6
10.7
13.2
17.2
21.5
28.6
35.8
45.1
57.2
71.5
85.9
100.2
114.5
128.8
143.1
178.9
1.6
2.2
3.2
4.5
6.1
7.7
9.6
11.8
15.4
19.2
25.6
32.0
40.3
51.2
64.0
76.8
89.6
102.4
115.2
128.0
160.0