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Technical Resources

3.2 COPPER MAIN AND DISTRIBUTION BUSBAR SHORT CIRCUIT TESTED DATA

Recommended Minimum
Short time Peak distance centre-line
Busbars Busbar
withstand withstand between distance
Busbar holder series per size current Duration, (s) current adjacent between
2
phase (mm )
(I ), (kA) (I ), (kA) holders, phases,
cw pk
(mm) (mm)
2 10 x 20 50 1 105 400
1 50 1 105 400
10 x 30
2 50 1 105 300
1 50 1 105 400
10 x 40
2 50 1 105 400
UBH 75
1 50 1 105 400
10 x 50
2 65 1 136 400
2 10 x 60 50 3 105 300
2 10 x 80 50 3 105 400
2 10 x 100 50 3 105 300
2 10 x 40 50 3 105 400
2 10 x 50 50 3 105 400
2 50 3 105 350
10 x 60
2 65 1 143 300
2 65 3 143 200
2 50 3 105 350
2 65 1 143 450
2 100 1 220 300
10 x 80
3 50 3 105 300 5
3 100 1 220 300
6 80 1 176 400 75 (OMH4)
OMH 140 (OMH6)
6 100 1 220 400 80 (OMH8)
2 50 3 105 400
2 65 1 143 300
2 85 1 187 300
3 50 3 105 400
3 80 1 176 450
10 x 100
3 100 1 220 450
4 50 3 105 300
4 65 3 143 450
4 85 1 187 350
6 100 1 220 500
***** Interleaved busbar arrangement

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