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Useful Data

Copper Flat Bar Conductor Ratings
Conductor W x T Cross-section kA for 1 sec kA for 3 sec
38 x 5 190mm² 33.4 19.3
38 x 6 228mm² 40.1 23.2
40 x 3 120mm² 21.1 12.2
40 x 6 240mm² 42.2 24.4
50 x 3 150mm² 26.4 15.2
50 x 4 200mm² 35.2 20.3
50 x 5 250mm² 44.0 25.4
50 x 6 300mm² 52.8 30.5
50 x 6.3 315mm² 55.4 32.0
Conductor W x T Cross-section kA for 1 sec kA for 3 sec
12.5 x 3 37.5mm² 6.6 3.8
20 x 1.5 30mm² 5.3 3.0
20 x 3 60mm² 10.6 6.1
25 x 1.5 37.5mm² 6.6 3.8
25 x 3 75mm² 13.2 7.6
25 x 6 150mm² 26.4 15.2
30 x 3 90mm² 15.8 9.1
30 x 5 150mm² 26.4 15.2
38 x 3 114mm² 20.1 11.6

 

 

 

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