CIS-M AND D50S-Reactangular Bus Bar Mechanical and Electrical Characteristics
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Size
Section
CIS- Wp DC resistance
(Max) at 20 C (micro - ohms)
D505 - Wp- DC
resistance
Reactance xa at 1ft spacing at 50 c/s
Moment of Inertia
Section Modulus(in)
Radius gyration
ix
iy-y
zx.x
zy-y
kx-x
ky-y
1 x1/4
0.250
54.30
59.24
72.0
0.021
0.001
0.0041
0.008
0.289
0.972
1 x 1/4
0.375
36.20
39.49
65.6
0.079
0.002
0.094
0.016
0.434
0.072
2 x 1/4
0.500
27.15
29.62
60.7
0.167
0.003
0.167
0.044
0.578
0.072
2 x1/4
0.625
21.72
23.72
56.8
0.326
0.003
0.260
0.026
0.723
0.072
3 x1/4
0.750
18.10
19.75
53.6
10.563
0.004
0.375
0.031
0.867
0.072
4 x1/4
1.000
13.58
14.81
48.6
1.333
0.005
0.667
0.042
0.156
0.072
5 x1/4
1.250
10.86
11.85
44.5
2.604
0.007
1.042
0.052
1.445
0.072
6 x1/4
1.500
9.05
9.87
41.0
4.500
0.008
1.500
0.063
1.734
0.072
2 x3/8
0.750
18.10
19.75
59.7
0.250
0.009
0.250
0.048
0.577
0.108
3 x3/8
1.125
12.07
13.16
53.1
0.844
0.013
0.563
0.070
0.867
0.108
4 x3/8
1.500
9.05
9.87
48.0
2.000
0.018
1.000
0.094
1.156
0.108
5 x3/8
1.875
7.24
7.99
44.0
3.906
0.022
1.563
0.117
1.445
0.108
6 x3/8
2.250
6.04
6.58
40.9
6.750
0.026
2.250
0.141
1.734
0.108
8 x3/8
3.000
4.52
4.94
35.8
16.000
0.035
4.000
0.187
2.312
0.108
3x1/2
1.500
9.05
9.87
52.1
1.125
0.031
0.750
0.125
0.867
0.145
1 x1/2
2.000
6.79
7.40
47.5
2667
0.042
1.333
1.067
1.156
0.145
5 x1/2
2.500
5.43
5.92
43.6
5.208
0.052
2.083
1.208
1.445
0.145
6 x1/2
3.000
4.52
4.94
40.4
9.000
0.063
3.000
0.250
1.734
0.145
8x1/2
4.000
3.39
3.70
35.3
21.330
0.083
5.332
0.332
2.312
0.145
10 x1/2
5.000
2.71
2.96
29.5
41.67
0.104
8.334
0.416
2.890
0.145
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