ABB hd4 Installation And Service Instructions Manual page 25

HD4/P withdrawable circuit-breakers for UniGear type ZS1 switchgears
HD4/P
TN 7355 (*)
Ur 24 kV
Ir 1600 A
Isc 16 kA
20 kA
25 kA
31.5 kA
(*) Also suitable for
PowerCube PB5.
HD4/P withdrawable circuit-breakers for UniGear type ZS1 switchgears
HD4/P
TN 7356 (**)
Ur 24 kV
Ir 2000 A
Isc 16 kA
20 kA
25 kA
31.5 kA
HD4/P
TN 7356 (**)
Ur 24 kV
Ir 2500 A (*)
Isc 20 kA
25 kA
31.5 kA
(*) 2500 A with forced
ventilation; 2300 A
with natural ventilation.
(**) Also suitable for
PowerCube PB5.
842
708
275 275
±1 ±1
144 232
67.5
806
±2
853
882
842
708
275 275
±1 ±1
144 232
67.5
750
806
±2
853
882
788
457
699
36
±1.5
788
457
36 699
±1
23
119
19
58
43.5
30
11
4
53
23
119
19
58
43.5
30
11
4
53
25