Dimension of Enameled Round Wire   
Conductor
Class 0
Class 1
Resistance
Max at 20°C
(/km)
Diameter
(mm)
Tolerance
(mm)

Film
Thickness
Min. (mm)

Overall
Diameter
Max. (mm)

Film
Thickness
Min. (mm)

Overall
Diameter
Max. (mm)
0.10
-
-
-
0.009
0.140
2,647
0.11
-
-
-
0.009
0.150
2,153
0.12
-
-
-
0.010
0.162
1,786
0.13
-
-
-
0.010
0.172
1,505
0.14
-
-
-
0.010
0.182
1,286
0.15
-
-
-
0.010
0.192
1,111
0.16
-
-
-
0.011
0.204
969.5
0.17
-
-
-
0.011
0.214
853.5
0.18
-
-
-
0.012
0.226
757.2
0.19
-
-
-
0.012
0.236
676.2
0.20
± 0.008
0.019
0.266
0.012
0.246
607.6
0.21
± 0.008
0.019
0.276
0.012
0.256
549.0
0.22
± 0.008
0.019
0.286
0.012
0.266
498.4
0.23
± 0.008
0.020
0.298
0.013
0.278
454.5
0.24
± 0.008
0.020
0.308
0.013
0.288
416.2
0.25
± 0.008
0.020
0.318
0.013
0.298
382.5
0.26
± 0.01
0.020
0.330
0.013
0.310
358.4
0.27
± 0.01
0.020
0.340
0.013
0.320
331.4
0.28
± 0.01
0.020
0.350
0.013
0.330
307.3
0.29
± 0.01
0.020
0.360
0.013
0.340
285.7
0.30
± 0.01
0.021
0.374
0.014
0.352
262.9
0.32
± 0.01
0.021
0.394
0.014
0.372
230.0
0.35
± 0.01
0.021
0.424
0.014
0.402
191.2
0.37
± 0.01
0.022
0.446
0.014
0.424
170.6
0.40
± 0.01
0.023
0.480
0.015
0.456
170.6
0.45
± 0.01
0.024
0.532
0.016
0.508
114.2
0.50
± 0.01
0.025
0.586
0.017
0.560
91.43
0.55
± 0.02
0.026
0.646
0.017
0.620
78.15
0.60
± 0.02
0.027
0.698
0.017
0.672
65.26
0.65
± 0.02
0.028
0.752
0.018
0.724
55.31
0.70
± 0.02
0.030
0.804
0.019
0.776
47.47
0.75
± 0.02
0.031
0.860
0.020
0.830
41.19
0.80
± 0.02
0.032
0.914
0.021
0.882
36.08
0.85
± 0.02
0.033
0.966
0.022
0.934
31.87
0.90
± 0.02
0.034
1.020
0.023
0.986
28.35
0.95
± 0.02
0.035
1.072
0.024
1.038
25.38
1.00
± 0.03
0.036
1.138
0.025
1.102
23.33
1.10
± 0.03
0.037
1.242
0.026
1.204
19.17
1.20
± 0.03
0.037
1.342
0.026
1.304
16.04
1.30
± 0.03
0.039
1.448
0.027
1.408
13.61
1.40
± 0.03
0.039
1.548
0.027
1.508
11.70
1.50
± 0.03
0.041
1.654
0.028
1.612
10.16
1.60
± 0.03
0.041
1.754
0.028
1.712
8.906
1.70
± 0.03
0.042
1.856
0.029
1.814
7.871
1.80
± 0.03
0.042
1.956
0.029
1.914
7.007
1.90
± 0.03
0.044
2.062
0.030
2.018
6.278
2.00
± 0.03
0.044
2.162
0.030
2.118
5.656

2.10

± 0.03
0.045
2.266
0.031
2.220
5.123
2.20
± 0.03
0.046
2.368
0.032
2.322
4.662
2.30
± 0.03
0.046
2.468
0.032
2.422
4.260
2.40
± 0.03
0.048
2.574
0.033
2.526
3.908
2.50
± 0.03
0.049
2.678
0.034
2.628
3.598
2.60
± 0.03
0.049
2.778
0.034
2.728
3.324
2.70
± 0.03
0.049
2.878
0.034
2.828
3.079
2.80
± 0.03
0.049
2.978
0.034
2.928
2.861
2.90
± 0.03
0.049
3.078
0.034
3.028
2.665
3.00
± 0.03
0.049
3.178
0.034
3.128
2.489
3.20
± 0.04
0.049
3.388
0.034
3.338
2.198
3.40
± 0.04
0.049
3.588
0.034
3.538
1.944
3.60
± 0.04
0.049
3.788
0.034
3.738
1.732
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