技术文章

标称截面 Nominal section

Area

（mm2）

根数/直径

NO./DIA.

(mm)

计算截面

Calculated Area

（mm2）

外径

Overall

Dia.

（mm）

20℃

直流

电阻

D.C.

Resistance（20℃）

Ω/km

额定拉断力

Rated Breaking Load

              KN

单位

重量

Unit

Weight

kg/km

环境40℃参考载流量

Reference Current at 40℃

       （A）

铝合金

钢

铝合金

钢

合计

JNRLH58/G1A

(NRLH58GJ)

JNRLH58

/G2A

JNRLH58

/G3A

90℃

110℃

130℃

150℃

25/4

6/2.32

1/2.32

25.36

4.23

29.59

6.96

1.1898

9.13

9.73

10.28

102.4

149

177

201

220

35/6

6/2.72

1/2.72

34.86

5.81

40.67

8.16

0.8656

12.55

13.36

14.12

140.8

182

218

246

271

40/6

6/2.91

1/2.91

40

6.67

46.7

8.73

0.7562

14.40

15.34

16.20

161.5

198

237

269

296

50/8

6/3.20

1/3.20

48.25

8.04

56.29

9.6

0.6254

16.81

17.93

19.06

194.8

216

256

300

326

50/30

12/2.32

7/2.32

50.73

29.59

80.32

11.6

0.5987

42.36

46.50

50.35

371.1

240

289

329

363

65/10

6/3.66

1/3.66

63

10.5

73.5

11.0

0.4781

21.95

22.68

24.47

254.4

246

298

347

389

70/10

6/3.80

1/3.80

68.05

11.34

79.39

11.4

0.4435

23.70

24.50

26.42

274.8

250

303

359

398

70/40

12/2.72

7/2.72

69.73

40.67

110.4

13.6

0.4356

58.22

63.91

69.20

510.2

253

308

366

407

95/15

26/2.15

7/1.67

94.39

15.33

109.72

13.6

0.3216

33.98

36.13

38.27

380.2

282

342

428

478

95/20

7/4.16

7/1.85

95.14

18.82

113.96

13.9

0.3176

36.29

38.93

41.56

408.2

295

355

454

490

95/55

12/3.20

7/3.20

96.51

56.3

152.81

16.0

0.3147

77.85

85.74

93.62

706.1

298

365

438

498

100/17

6/4.61

1/4.61

100

16.7

117

13.8

0.3013

33.37

34.54

37.38

403.8

354

428

488

540

120/7

18/2.90

1/2.90

118.89

6.61

125.5

14.5

0.2547

27.75

28.67

29.53

378.5

337

469

545

596

120/20

26/2.38

7/1.85

115.67

18.82

134.49

15.1

0.2625

41.68

44.32

46.95

466.1

389

471

537

595

120/25

7/4.72

7/2.10

122.48

24.25

146.73

15.7

0.2467

46.74

50.14

53.53

525.7

387

417

498

583

120/70

12/3.60

7/3.60

122.15

71.25

193.4

18.0

0.2486

98.53

103.52

115.63

893.7

383

410

496

570

125/7

18/2.97

1/2.97

125

6.94

132

14.9

0.2429

29.16

30.13

31.04

397.9

403

488

556

616

125/20

26/2.47

7/1.92

125

20.4

145

15.7

0.2437

45.12

47.97

50.83

503.9

408

494

564

625

150/8

18/3.20

1/3.20

144.76

8.04

152.8

16.0

0.2092

32.73

33.86

34.98

460.9

438

533

620

676

150/20

24/2.78

7/1.85

145.68

18.82

164.5

16.7

0.2083

46.79

49.42

52.05

548.5

452

550

629

699

150/25

26/2.70

7/2.10

148.86

24.25

173.11

17.1

0.2040

53.68

57.07

60.47

600.1

456

554

633

702

150/35

30/2.50

7/2.50

147.26

34.36

181.62

17.5

0.2064

64.20

69.02

73.48

675.0

457

554

634

703

160/9

18/3.36

1/3.36

160

8.89

169

16.8

0.1898

36.18

37.42

38.67

509.3

471

571

653

724

160/26

26/2.8

7/2.18

160

26.1

186

17.7

0.1897

57.74

61.39

64.00

644.9

478

580

664

736

185/10

18/3.60

1/3.60

183.22

10.18

193.4

18.0

0.1653

41.43

42.14

43.87

583.3

508

620

723

789

185/25

24/3.15

7/2.10

187.34

24.25

211.29

18.9

0.1622

59.28

62.68

66.07

704.9

510

623

741

792

185/30

26/2.98

7/2.32

181.34

29.59

210.93

18.9

0.1675

64.56

68.70

72.55

731.4

512

625

729

796

185/45

30/2.80

7/2.80

184.73

43.1

227.83

19.6

0.1645

80.54

86.57

92.18

846.7

527

642

736

816

200/11

18/3.76

1/3.76

200

11.1

211

18.8

0.1515

45.21

45.99

47.87

636.7

543

661

757

839

200/32

26/3.13

7/2.43

200

32.6

233

19.8

0.1518

70.16

74.73

78.97

806.2

535

649

763

836

210/10

18/3.80

1/3.80

204.14

11.34

215.48

19.0

0.1484

46.16

46.95

48.88

649.9

545

664

776

847

210/25

24/3.33

7/2.22

209.02

27.1

236.12

20.0

0.1452

66.20

69.99

73.78

787.8

555

676

797

863

210/35

26/3.22

7/2.50

211.73

34.36

246.09

20.4

0.1434

74.11

78.92

84.76

852.5

565

690

807

882

210/50

30/2.98

7/2.98

209.24

48.82

258.06

20.9

0.1452

91.23

98.06.

104.41

959.0

570

695

814

887

240/30

24/3.60

7/2.40

244.29

31.67

275.96

21.6

0.1242

76.41

80.85

84.96

920.7

613

756

882

967

240/40

26/3.42

7/2.66

238.84

38.9

277.74

21.7

0.1271

83.75

89.20

94.26

962.8

610

746

873

956

240/55

30/3.20

7/3.20

241.27

56.3

297.57

22.4

0.1260

101.74

109.62

117.50

1105.8

612

758

885

969

250/25

22/3.80

7/2.11

250

24.6

275

21.6

0.1216

70.03

73.48

76.92

880.6

630

769

882

980

250/40

26/3.50

7/2.72

250

40.7

291

22.2

0.1214

87.65

93.35

98.64

1007.7

635

776

891

990

300/15

42/3.00

7/1.67

296.88

15.33

312.21

23.0

0.1023

68.41

70.55

72.70

938.7

695

848

979

1082

300/20

45/2.93

7/1.95

303.42

20.91

324.33

23.4

0.1001

76.05

78.97

81.90

1000.8

697

850

981

1084

300/25

48/2.85

7/2.22

306.21

27.1

333.31

23.8

0.0992

83.76

87.56

91.35

1057.0

698

851

996

1085

300/40

24/3.99

7/2.66

300.09

38.9

338.99

23.9

0.1011

89.36

94.81

99.86

1131.0

700

858

1010

1090

300/50

26/3.83

7/2.98

299.54

48.82

348.36

24.3

0.1014

106.54

111.91

118.26

1207.7

702

861

1012

1105

300/70

30/3.60

7/3.60

305.36

71.25

376.61

25.2

0.0995

128.76

133.75

145.86

1399.6

718

882

1033

1134

315/22

45/2.99

7/1.99

315

21.8

337

23.9

0.0961

79.06

82.11

85.16

1039.6

728

891

1024

1139

315/50

26/3.93

7/3.05

315

51.3

366

24.9

0.0963

103.68

110.86

118.04

1269.7

736

902

1037

1154

400/20

42/3.51

7/1.95

406.4

20.91

427.31

26.9

0.0747

91.52

94.45

97.38

1284.3

816

998

1195

1275

400/25

45/3.33

7/2.22

391.88

27.1

419.01

26.6

0.0775

96.37

100.16

103.96

1293.5

817

999

1165

1276

400/28

45/3.36

7/2.24

400

27.7

428

26.9

0.0761

98.41

102.29

106.17

1320.1

845

1038

1195

1331

400/35

48/3.22

7/2.50

390.88

34.36

425.24

26.8

0.0777

103.67

108.48

112.94

1347.5

816

998

1161

1270

400/50

54/3.07

7/3.07

399.73

51.82

451.55

27.6

0.0761

122.96

130.21

137.47

1510.3

821

998

1175

1269

400/65

26/4.42

7/3.44

398.94

65.06

464

28.0

0.0761

131.41

140.52

149.62

1608.7

855

1051

1211

1350

400/95

30/4.16

19/2.50

407.75

92.27

501.02

29.1

0.0744

167.49

180.55

192.67

1856.7

873

1075

1239

1381

450/30

45/3.57

7/2.38

450

31.1

481

28.5

0.0674

108.46

114.06

118.10

1485.2

913

1123

1294

1442

450/60

54/3.26

7/3.26

450

58.3

508

29.3

0.0675

138.38

146.54

154.70

1699.1

920

1132

1306

1455

500/35

45/3.76

7/2.51

499.67

34.64

534.31

30.1

0.0608

121.94

126.78

131.29

1650.2

976

1203

1387

1547

500/45

48/3.60

7/2.80

488.58

43.1

531.68

30.0

0.0622

129.75

135.78

141.39

1685.5

948

1157

1332

1480

500/65

54/3.43

7/3.43

798.97

64.68

563.65

30.9

0.0609

153.48

162.53

171.59

1887.9

950

1159

1338

1487

560/40

45/3.98

7/2.65

560

38.7

599

31.8

0.0543

128.12

133.54

138.57

1848.2

1049

1295

1495

1668

560/70

54/3.63

19/2.18

560

20.9

631

32.7

0.0544

175.35

183.15

192.37

2103.4

1056

1304

1506

1682

630/45

45/2.22

7/2.81

623.45

43.1

666.55

33.8

0.0483

142.65

148.69

154.29

2079.2

1083

1325

1551

1701

630/55

48/4.12

7/3.20

639.92

56.3

696.22

34.3

0.0475

157.92

165.80

173.68

2206.4

1088

1328

1574

1708

630/80

54/3.85

19/2.31

630

79.8

710

34.7

0.0484

194.92

206.09

216.47

2366.3

1091

1331

1546

1698

710/50

45/4.48

7/2.99

710

49.1

759

35.9

0.0428

162.47

169.35

175.73

2343.2

1221

1513

1751

1957

710/90

54/4.09

19/2.45

710

89.9

800

36.8

0.0429

208.99

221.57

233.26

2666.8

1230

1524

1764

1973

720/50

45/4.53

7/3.02

725.26

50.14

775.4

36.2

0.0419

177.98

170.96

177.98

2397.0

1238

1534

1775

1984

720/90

54/4.14

19/2.48

726.92

91.78

818.7

37.2

0.0418

210.00

226.52

238.45

2729.3

1248

1548

1792

2004

800/35

72/3.76

7/2.51

800

34.6

835

37.6

0.0380

171.44

176.29

180.79

2480.2

1261

1548

1819

2009

800/55

48/4.80

7/3.20

814.3

56.3

870.6

38.4

0.0373

184.08

191.96

199.84

2687.5

1268

1559

1829

2012

800/65

84/3.48

7/3.48

800

66.7

867

38.3

0.0381

205.37

214.71

224.05

2732.7

1248

1546

1789

1936

800/70

48/4.63

7/3.60

808.15

71.25

879.4

38.6

0.0376

199.60

204.59

216.70

2787.6

1265

1557

1805

2010

800/100

54/4.34

19/2.61

798.85

101.65

900.5

39.1

0.0381

235.71

249.94

263.15

3004.2

1251

1508

1757

1933

900/40

72/3.99

7/2.66

900

38.9

939

39.9

0.0338

179.35

184.79

189.85

2790.2

1353

1674

1934

2160

900/75

84/3.69

7/3.69

900

75

975

40.6

0.0339

231.00

236.25

249.00

3074.2

1422

1768

2050

2294

1000/45

72/4.21

7/2.80

1002.27

43.1

1045.37

42.1

0.0303

199.47

205.51

211.11

3100.3

1518

1890

2192

2455

1000/125

54/4.84

19/2.90

993.51

125.49

1119.01

43.5

0.0306

292.09

309.65

325.97

3729.8

1526

1901

2207

2473

1120/50

72/4.45

19/1.78

1120

47.3

1167

44.5

0.0272

223.34

229.96

236.59

3464.9

1630

2033

2361

2646

1120/90

84/4.12

19/2.47

1120

91.2

1211

45.3

0.0272

271.97

284.74

296.59

3811.5

1638

2044

2374

2661

1250/50

72/4.70

19/1.88

1250

52.8

1303

47.0

0.0243

249.28

256.67

264.06

3867.1

1748

2185

2540

2848

1250/100

84/4.35

19/2.61

1250

102

1352

47.9

0.0244

303.78

318.06

331.32

4253.9

1757

2196

2554

2865

1400/120

84/4.60

19/2.80

1396

116.99

1512.99

50.8

0.0218

342.77

359.15

374.36

4776.9

1889

2367

2755

3093

1400/135

88/4.50

19/3.00

1399.58

134.3

1533.88

51.0

0.0218

363.04

381.84

399.30

4922.1

1894

2373

2763

3101

1440/120

84/4.67

19/2.80

1438.81

116.99

1555.8

51.4

0.0212

349.19

365.57

380.78

4895.2

1924

2412

2808

3153

1440/135

88/4.56

19/3.00

1437.15

134.3

1571.45

51.5

0.0212

368.67

387.48

404.94

5026.0

1924

2412

2809

3153