ABB VD4 12 Installation And Service Instructions Manual page 38

VD4/P (1)
TN 7414
Ur 24 kV
Ir 630 A
1250 A
Isc 16 kA
20 kA
25 kA
(1) Only for UniGear type
ZS1 switchgear.
VD4/P
TN 7418
Ur 24 kV
Ir 1600 A
2000 A
2500 A (2)
Isc 16 kA
20 kA
25 kA
(2) Only for UniGear ZS1
type switchgear.
The rated uninterrupted
current of 2300 A is guar-
anteed with natural ven-
tilation.
The rated uninterrupted
current of 2500 A is guar-
anteed with forced ven-
tilation.
36
Withdrawable circuit-breakers for UniGear type ZS1 switchgear and UniSafe switchgear
842
144
49
28
36 28
853
850
836
275 275
842
144
36
49
18
853
850
836
275 275
630A
232
14 25
1600A - 2000A
232
28
30
14
119 23
20
71 38
320
370
383
303 53
802
36
23
71 38
25 320
370
383
303 53
790
1250A
2500A