ABB hd4 Installation And Service Instructions Manual page 23

HD4/P withdrawable circuit-breakers for UniGear type ZS1 switchgears
HD4/P
TN 7352
Ur 12 kV (*)
17.5 kV
Ir 2500 A
Isc 25 kA
31.5 kA
40 kA
50 kA
(*) Also suitable for
PowerCube PB3.
HD4/P withdrawable circuit-breakers for UniGear type ZS1 switchgears
HD4/P
TN 7371
Ur 12 kV
17.5 kV
Ir 3150 A (*)
Isc 25 kA
31.5 kA
40 kA
50 kA
(*) 3150 A with forced
switchgear ventilation
(consult the UniGear
type ZS1 switchgear
technical catalogue).
842
708
375
275
275
±1 ±1
144
67.5
750
806
±2
853
882
842
708
375
275
275
±1 ±1
67.5
750
806
±2
853
882
643
29 359
416
36 554
±1.5
643
29 359
416
36 554
±1.5
119
111.5 17
58
43.5
30
21
4
53
96.5 17
58
43.5
30
21
4
53
23