ABB hd4 Installation And Service Instructions Manual page 19

Fixed circuit-breakers
HD4
TN 7174
Ur 24 kV
Ir 1600 A
Isc 31,5 kA
40 kA
HD4
TN 7174
Ur 24 kV
Ir 2000 A
Isc 25 kA
31,5 kA
40 kA
Fixed circuit-breakers
HD4
with truck (on request)
TN 7241
Ur 36 kV
Ir 630 A
1250 A
1600 A
Isc 16 kA
20 kA
* Distance with truck
(if provided).
730
708
275 275
Y U
Y U
Q6 0
602
728
748
880
350 350
50
755
881
901
*
855
*
915
*
955
2x Ø 18
15.5 32
Ø 10.5
322
385
561
400
358
10
Ø 22
Ø 22
Ø
2x 10.5
363.5 270
695.4
*
Ø 13
*
Ø 13
*
355
*
40
*
516.4
28
8
Ø 13
115 3
35
28
21
3
*
Ø
13
120
37
*
4.9
*
200
*
85
19