ABB hd4 Installation And Service Instructions Manual page 27

HD4/W withdrawable circuit-breakers for PowerCube modules
HD4/W
TN 7421
Ur 12 kV
17.5 kV
Ir 1250 A
Isc 40 kA
50 kA
HD4/W withdrawable circuit-breakers for PowerCube modules
HD4/W
TN 7239
Ur 12 kV
17.5 kV
Ir 1600 A
2000 A
Isc 16 kA
25 kA
31.5 kA
636
578
210
210
±1
±1
228
44
67.5
626
±2
653
682
636
578
210
210
±1 ±1
272
44
67.5
550
626
±2
653
682
29
359
416
36
551
±1.5
640
56
359
29
36 551
±1.5
640
56
63
15
28
16
4
40
53
63 15
28
8
4
40
53
27