Annex
36
10/06 AWB2300-1433GB
Table 8:
Assignment of the tripping delay to the tripping
classes
CLASS
t
A
[s]
3
4
5
6
7.2
8
10
40
90.5
63.6
49.1
40.0
32.7
29.2
23.0
35
79.2
55.7
43.0
35.0
28.6
25.5
20.1
30
67.9
47.7
36.8
30.0
24.5
21.9
17.2
25
56.6
39.8
30.7
25.0
20.5
18.2
14.4
20
45.3
31.8
24.6
20.0
16.4
14.6
11.5
15
34.0
23.9
18.4
15.0
12.3
10.9
8.6
10
22.6
15.9
12.3
10.0
8.2
7.3
5.7
5
11.3
8.0
6.1
5.0
4.1
3.6
2.9
h
In a 3-phase symmetrical tripping system, the deviation of
the tripping delay
t
A
as of three times the tripping current
t
A
is
g
20 %.
Summary of Contents for ZEV-XSW-145
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