Busbar Support Ω Top Junior - Table of distance

The distances between supports (in mm) are computed considering the yield of the materials; the indicated values therefore prevent permanent deformation of the materials when stressed by short-circuit conditions.

Busbar Support Ω Top Junior - Table of distance

Icc pk = Short-circuit current peak value expressed in kA

Icc rms = Effective value of short-circuit current, duration equal to 1 second, expressed in kA

1/10 one bar per phase - spacing between phases: 70mm

Icc pk (kA)
Icc rms (kA)
53
25
74
35
110
50
132
60
30 x 10540385260200
40 x 10620445285200
50 x 10695495285200
60 x 10760545285200
80 x 10870630285200

2/5 one bar per phase - spacing between phases: 70mm

Icc pk (kA)
Icc rms (kA)
53
25
74
35
110
50
132
60
30 x 5270190130105
40 x 5310220150125
50 x 5350250165129
60 x 5380275180129
80 x 5390310210129

2/5 two bars per phase - spacing between phases: 70mm

Icc pk (kA)
Icc rms (kA)
53
25
74
35
110
50
132
60
30 x 5380270180150
40 x 5440310210165
50 x 5490350235165
60 x 5540385240165
80 x 5620445240165