Page 978 - Industrial Power Engineering and Applications Handbook

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Y Table 30.9 Channel busbar: mechanical and electrical data and current ratings (Grade E - 91 E)
One channel I Two channels

Si7e Web Flung, Inner Fillet Section Weight Moment of Section Radius of Distance D C Depth Width React- D.C. A.C.
and width flat radius area inertia modulus gyration to Resis- ance at current current
flange sut$ace neutral tance 305 mm rating ruting
thickness axis x (mar) spacing ut 50 Hz
at 20°C at 50 Hi
mm mm mm mm mm mm2 kg/m cm mm pWm mm mm pWm Amps Amps
b t B C f Kx-x Ky-. b a xo
76.2 6.35 38.10 45.08 7.62 1013 2.735 77.42 12.07 20.48 4.59 2.84 1.12 114.83 3380 3340
101.6 6.68 41.83 69.20 9.52 1187 3.205 171.07 17.07 33.76 5.74 3.78 1.19 11.7 26.41 101.6 106.4 106.96 4250 4190
127.0 8.00 48.00 92.00 9.50 1695 4.576 375.44 31.63 59.16 9.18 4.70 1.37 13.2 18.41 127.0 127.0 92.52 5540 5440
152.4 8.10 51.66 113.98 11.11 1993 5.381 629.34 42.04 82.59 10.98 5.61 1.45 13.5 15.72 152.4 152.4 80.38 6500 6340
177.8 9.98 58.40 135.62 11.11 2794 7.544 1179.18 74.09 132.74 17.21 6.50 1.63 15.2 11.23 177.8 177.8 70.54 8200 7800
203.2 11.84 65.00 154.12 12.70 3734 10.082 2033.29 120.29 200.09 25.07 7.39 1.78 17.0 8.40 203.2 203.2 62.99 9850 9150
254.0 13.18 92.07 199.06 14.29 5515 14.89 4924.43 400.41 387.72 56.70 9.45 2.64 24.1 5.68 254.0 254.0 48.56 12800 11450
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Source: Indalco