标称截面

结构，根数/直径

计算截面

外径

电流电阻20℃

计算

单位长度

交货长度不小于

铝/钢

㎜

m㎡

㎜

不大于Ω/km

拉断力

质量

m

m㎡

铝

钢

铝

钢

总计

NRLH58

NRLH60

kN

Kg/km

185/25

24/3.15

7/2.10

187.04

24.25

211.29

18.9

0.16224

0.15683

59.23

706.1

3000

185/30

26/2.98

7/2.32

181.34

29.59

210.93

18.88

0.16746

0.16188

64.56

732.6

3000

185/45

30/2.80

7/2.80

184.73

43.1

227.83

19.6

0.16451

0.15902

80.54

848.2

3000

210/25

24/3.33

7/2.22

209.02

27.1

236.12

19.98

0.14517

0.14033

66.19

789.1

2000

210/35

26/3.22

7/2.50

211.73

34.36

246.09

20.38

0.14343

0.13865

74.11

853.9

2000

210/50

30/2.98

7/2.98

209.24

48.82

258.06

20.86

0.14523

0.14039

91.23

960.8

2000

240/30

24/3.60

7/2.40

244.29

31.67

275.96

21.6

0.12421

0.12007

75.19

922.2

2000

240/40

26/3.42

7/2.66

238.85

38.9

277.75

21.66

0.12715

0.12291

83.76

964.3

2000

240/55

30/3.20

7/3.20

241.27

56.3

297.57

22.4

0.12595

0.12751

101.74

1108

2000

300/15

42/3.00

7/1.67

296.88

15.33

312.21

23.01

0.10236

0.09895

66.93

939.8

2000

300/20

45/2.93

7/1.95

303.42

20.91

324.33

23.76

0.10016

0.09682

76.04

1002.2

2000

300/25

48/2.85

7/2.22

306.21

27.1

333.31

23.76

0.09925

0.09594

83.76

1058.5

2000

300/40

24/3.99

7/2.66

300.09

38.9

338.99

23.94

0.10112

0.09775

92.36

1132.7

2000

300/50

26/3.83

7/2.98

299.54

48.82

348.36

24.26

0.10138

0.098

103.59

1210

2000

300/70

30/3.60

7/3.60

305.36

71.25

376.61

25.2

0.09952

0.0962

127.23

1402

2000

400/20

42/3.51

7/1.95

406.4

20.91

427.31

26.91

0.07478

0.07228

89.48

1286.8

2000

400/25

45/3.33

7/2.22

391.91

27.1

419.01

26.64

0.07754

0.07495

96.37

1295.2

2000

400/35

48/3.22

7/2.50

390.88

34.36

425.24

26.82

0.07775

0.07516

103.67

1349.4

2000

400/50

54/3.07

7/3.07

399.73

51.82

451.55

27.63

0.0761

0.07356

122.95

1511.5

2000

400/65

26/4.42

7/3.44

398.94

65.06

464

28

0.07612

0.07358

135.39

1611.3

2000

400/95

30/4.16

19/2.50

407.75

93.27

501.02

29.14

0.09952

0.0962

171.56

1857.4

2000

500/45

48/3.60

7/2.80

488.58

43.1

531.68

30

0.0622

0.06013

127.31

1687.9

1500

500/65

54/3.44

7/3.44

501.88

65.06

566.04

30.96

0.06061

0.05859

154.37

1897.8

1500

630/45

45/4.20

7/2.80

623.45

43.1

666.55

33.6

0.04879

0.04716

148.89

2060.1

1500

630/55

48/4.12

7/3.20

639.92

56.3

696.22

34.32

0.04749

0.04591

164.31

2209.5

1500

630/80

54/3.87

19/2.32

635.19

80.32

715.51

34.82

0.04789

0.04629

193.19

2388.2

1500

800/55

45/4.80

7/3.2

814.3

56.3

870.6

38.4

0.03732

0.03607

192.22

2691.1

1500

800/70

48/4.63

7/3.60

808.15

71.25

879.4

38.58

0.03761

0.03635

207.68

2791.5

1500

800/100

54/4.33

19/2.60

795.17

100.88

896.05

38.98

0.03825

0.03698

242.23

2992.3

1500

900/40

72/3.99

7/2.66

900.26

38.9

939.16

39.9

0.03379

0.03266

188.39

2794.6

1000

1000/45

72/4.21

7/2.80

1002.3

43.1

1045.4

42.08

0.03035

0.02933

209.26

3100.3

1000

1120/50

72/4.45

19/1.78

1119.8

47.3

1167.1

44.5

0.02716

0.02626

219.93

3464.9

800

1120/90

84/4.12

19/2.47

1119.9

91

1210.9

45.31

0.02718

0.02628

268.41

3811.5

600

1250/50

72/4.71

19/1.88

1249.2

52.7

1301.9

47

0.02435

0.02354

251.58

3867.1

600

1250/100

84/4.35

19/2.61

1248.4

101.7

1350

47.85

0.02438

0.02357

305.64

4253.9

600

1400/120

84/4.60

19/2.80

1396

117

1513

50.8

0.02071

0.02002

338.55

4821

500

1400/135

88/4.50

19/3.00

1399.6

134.3

1542.9

51

0.02067

0.01998

358.84

4962

500

1440/120

84/4.67

19/2.80

1438.8

117

1555.8

51.36

0.02114

0.02043

344.88

4928

500

1440/135

88/4.60

19/3.00

1462.5

134.3

1596.8

51.8

0.02107

0.02037

368.09

5224

500