Single Core Medium Voltage Power Cable to IEC 60502-2

Single Core Medium Voltage Power Cable to IEC 60502-2

This single core cable is designed for distribution of electrical power with nominal voltages ranging from 1.8/3kV to 26/35kV and frequency 50Hz. Manufactured in full compliance with IEC 60502, it is suitable for installation in power supply stations, indoors and in cable ducts, outdoors, underground and in water, as well as on cable trays for industries, switchboards and power stations.
‌Key Advantages‌
Optional Aluminium Wire Armour
Metallic Screen
Single Core Design
IEC 60502 Part 2(3.6/6KV to 18/30KV)

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Construction

Conductor‌Copper or Aluminium conductor, round stranded or Compacted, Class 2 to IEC 60228, BS EN 60228. For smaller sizes, solid conductor, Class 1 as per IEC 60228, BS EN 60228 can also be supplied upon request.
‌Insulation‌Insulation is of polyvinyl chloride (PVC) intended for 1.8/3kV and 3.6/6kV Power Cable, cross-linked polyethylene compound (XLPE) or ethylene propylene rubber (EPR/HEPR)
‌Conductor Screen‌The conductor screen consists of an extruded layer of non metallic, semi-conducting compound firmly bonded to the insulation to exclude all air voids. The conductor screen is not necessary for both PVC and EPR/HEPR insulated 1.8/3kV and 3.6/6kV Power Cable.
‌Insulation Screen‌The insulation screen consists of an extruded layer of non metallic, semi-conducting compound extruded over the insulation. The extruded semi-conducting layer shall consist of bonded or cold strippable semi-conducting compound capable of removal for jointing or terminating. As an option, a semi-conducting tape may be applied over the extruded semi-conducting layer as a bedding for the metallic layer. The minimum thickness is 0.3 mm and the maximum resistivity is 500 Ohm-m at 90°C. The screen is tightly fitted to the insulation to exclude all air voids and can be easily hand stripped on site. The insulation screen is not necessary for both PVC and EPR/HEPR insulated 1.8/3kV and 3.6/6kV Power Cable. The screen may be covered by semi-conductive water blocking swellable tape to ensure longitudinal watertightness.
‌Metallic Layer‌The metallic layer may be applied over the individual cores or the core assembly collectively.The following types of metallic layers are provided:1) Metallic Screen2) Concentric Conductor3) Metallic Sheath4) Metallic armor
‌Separation Sheath (for armored cable)‌The separation sheath comprises a layer of extruded PVC, PE or LSZH, applied under the armor. The nominal thickness is calculated by 0.02Du + 0.6mm where Du is the fictitious diameter under the sheath in mm. For Power Cable without a lead sheath, the nominal separation sheath thickness shall not be less than 1.2mm. For Power Cable where the separation sheath is applied over the lead sheath, the nominal separation sheath thickness shall not be less than 1.0mm.
‌Lapped Bedding (for armored lead sheathed cable)‌The lapped bedding consists of either impregnated/synthetic compounded paper tapes or a combination of two layers of these paper tapes followed by a few layers of compounded fabulous materials. The thickness is around 1.5mm.
‌Armour (for armored cable)‌The Armour consists of round aluminum wire armour applied helically over an extruded separation sheath.
‌Over Sheath‌Overall sheath comprises a layer of extruded thermoplastic compound (PVC, PE or LSZH can be offered as an option.) or elastomeric compound (polychloroprene CSP or chlorosulfonated PE). The nominal oversheath thickness is calculated by 0.035D+1 where D is the fictitious diameter immediately under the oversheath in mm. For unarmored Power Cable and Power Cable with the oversheath not applied over the armor, metallic screen or concentric conductor, the nominal oversheath thickness shall not be less than 1.4mm. And for Power Cable with oversheath applied over the armor, metallic screen or concentric conductor, the nominal oversheath thickness shall not be less than 1.8mm.
‌Physical Properties‌Operating Temperature: up to 70°C (PVC insulation); up to 90°C (XLPE or EPR insulation)Temperature Range: -5°C (PVC sheath); -20°C (PE sheath)Short Circuit Temperature (5 seconds maximum duration): 140-160°C (PVC insulation), 250°C (XLPE or EPR insulation)Bending Radius: 12 × OD

Parameters

Nom. Cross-Section Area Nom. Insulation Thickness Copper Wire Screen Area Unarmoured Cables Aluminium Wire Armoured Cables
Nom. Sheath Thickness Approx. Overall Diameter Approx. Weight Nom. Bedding Thickness Armour Wire Size Nom. Sheath Thickness Approx. Weight
CU AL CU AL
mm² mm mm² mm mm kg/km mm mm mm kg/km
10 2.5 16 1.8 16 320 260 1.2 1.6 1.8 610 550
16 2.5 16 1.8 16 390 290 1.2 1.6 1.8 680 580
25 2.5 16 1.8 18 500 340 1.2 1.6 1.8 810 660
35 2.5 16 1.8 19 610 400 1.2 1.6 1.8 940 730
50 2.5 16 1.8 20 750 450 1.2 1.6 1.8 1100 810
70 2.5 16 1.8 22 970 550 1.2 1.6 1.8 1350 930
95 2.5 16 1.8 23 1250 660 1.2 1.6 1.9 1670 1080
120 2.5 16 1.8 25 1500 760 1.2 1.6 1.9 1950 1200
150 2.5 25 1.8 26 1790 860 1.2 1.6 2 2270 1350
185 2.5 25 1.8 28 2160 1000 1.2 2 2.1 2770 1620
240 2.6 25 1.9 31 2770 1250 1.2 2 2.2 3440 1930
300 2.8 25 2 34 3400 1500 1.2 2 2.2 4120 2210
400 3 35 2.1 38 4280 1850 1.3 2.5 2.4 5250 2820
500 3.2 35 2.1 41.5 5325 2240 1.4 2.5 2.6 6550 3520
630 3.2 35 2.2 45.3 6745 2750 1.5 2.5 2.7 7960 4020
800 3.2 50 2.4 49.4 8290 3310 1.5 2.5 2.8 9660 4820
1000 3.2 50 2.5 54.2 10256 3990 1.5 2.5 3 11690 5540
Nom. Cross-Section Area Nom. Insulation Thickness Copper Wire Screen Area Unarmoured Cables Aluminium Wire Armoured Cables
Nom. Sheath Thickness Approx. Overall Diameter Approx. Weight Nom. Bedding Thickness Armour Wire Size Nom. Sheath Thickness Approx. Weight
CU AL CU AL
mm² mm mm² mm mm kg/km mm mm mm kg/km
16 3.4 16 1.8 18 450 350 1.2 1.6 1.8 770 670
25 3.4 16 1.8 20 560 400 1.2 1.6 1.8 910 750
35 3.4 16 1.8 21 680 460 1.2 1.6 1.8 1040 820
50 3.4 16 1.8 22 810 520 1.2 1.6 1.8 1190 900
70 3.4 16 1.8 24 1050 620 1.2 1.6 1.9 1470 1040
95 3.4 16 1.8 25 1320 730 1.2 1.6 2 1780 1190
120 3.4 16 1.8 27 1580 840 1.2 2 2 2150 1410
150 3.4 25 1.9 28 1880 960 1.2 2 2.1 2480 1560
185 3.4 25 1.9 30 2250 1100 1.2 2 2.1 2890 1730
240 3.4 25 2 33 2870 1350 1.2 2 2.2 3570 2050
300 3.4 25 2.1 35 3490 1580 1.2 2 2.3 4230 2330
400 3.4 35 2.2 39 4350 1920 1.3 2.5 2.4 5320 2890
500 3.4 35 2.2 39.9 5325 2240 1.4 2.5 2.5 6510 3530
630 3.4 35 2.3 43.7 6675 2765 1.5 2.5 2.6 7960 4050
800 3.4 50 2.5 48.6 8225 3330 1.5 2.5 2.7 9670 4850
1000 3.4 50 2.6 52.9 10210 4030 1.6 2.5 2.9 11710 5570
Nom. Cross-Section Area Nom. Insulation Thickness Unarmoured Cables Aluminium Wire Armoured Cables
Nom. Sheath Thickness Approx. Overall Diameter Approx. Weight Nom. Bedding Thickness Armour Wire Size Nom. Sheath Thickness Approx. Overall Diameter Approx. Weight
CU AL CU AL
mm² mm mm mm kg/km mm mm mm mm kg/km
25 4.5 1.8 22 640 480 1.2 1.6 1.8 28 1020 860
35 4.5 1.8 23 760 540 1.2 1.6 1.9 29 1170 950
50 4.5 1.8 24 900 610 1.2 1.6 1.9 30 1340 1040
70 4.5 1.8 26 1140 710 1.2 1.6 2 32 1610 1190
95 4.5 1.8 27 1420 830 1.2 2 2.1 35 2020 1430
120 4.5 1.9 29 1700 950 1.2 2 2.1 36 2310 1570
150 4.5 1.9 31 1990 1070 1.2 2 2.2 38 2660 1740
185 4.5 2 32 2380 1230 1.2 2 2.2 39 3070 1920
240 4.5 2.1 35 3010 1490 1.2 2 2.3 42 3750 2240
300 4.5 2.1 37 3620 1720 1.3 2.5 2.4 46 4590 2690
400 4.5 2.2 41 4490 2070 1.3 2.5 2.5 49 5550 3120
500 4.5 2.3 43 5460 2460 1.3 2.5 2.6 52 6590 3600
630 4.5 2.4 48 6790 2590 1.4 2.5 2.7 57 8060 4110
800 4.5 2.6 52 8420 3570 1.5 2.5 2.8 61 9800 4970
1000 4.5 2.7 55 10330 4180 1.6 2.5 3 65 10850 5710
Nom. Cross-Section Area Nom. Insulation Thickness Copper Wire Screen Area Unarmoured Cables Aluminium Wire Armoured Cables
Nom. Sheath Thickness Approx. Overall Diameter Approx. Weight Nom. Bedding Thickness Armour Wire Size Nom. Sheath Thickness Approx. Weight
CU AL CU AL
mm² mm mm² mm mm kg/km mm mm mm kg/km
25 5.5 16 1.8 24 720 560 1.2 1.6 1.8 1200 980
35 5.5 16 1.8 25 840 620 1.2 1.6 1.9 1350 1070
50 5.5 16 1.8 26 990 690 1.2 2 2 1550 1250
70 5.5 16 1.8 28 1230 800 1.2 2 2.1 1840 1420
95 5.5 16 1.9 30 1530 940 1.2 2 2.1 2160 1570
120 5.5 16 2 31 1810 1050 1.2 2 2.2 2470 1730
150 5.5 25 2 33 2110 1190 1.2 2 2.2 2810 1890
185 5.5 25 2.1 35 2510 1360 1.2 2 2.3 3240 2090
240 5.5 25 2.1 38 3130 1610 1.3 2.5 2.4 4150 2580
300 5.5 25 2.2 40 3760 1860 1.3 2.5 2.5 4800 2890
400 5.5 35 2.3 43 4650 2220 1.4 2.5 2.6 5780 3350
500 5.5 35 2.4 46 5530 2545 1.5 2.5 2.7 6850 3850
630 5.5 35 2.5 50 6700 3100 1.5 2.5 2.9 8380 4400
800 5.5 50 2.6 55 8580 3690 1.6 2.5 3 10130 5270
1000 5.5 50 2.7 59 10620 4450 1.7 2.5 3.1 12180 6000
Nom. Cross-Section Area Nom. Insulation Thickness Copper Wire Screen Area Unarmoured Cables Aluminium Wire Armoured Cables
Nom. Sheath Thickness Approx. Overall Diameter Approx. Weight Nom. Bedding Thickness Armour Wire Size Nom. Sheath Thickness Approx. Weight
CU AL CU AL
mm² mm mm² mm mm kg/km mm mm mm kg/km
50 8 16 2 31 1250 960 1.2 2 2.2 1910 1640
70 8 16 2 34 1510 1090 1.2 2 2.3 2240 1820
95 8 16 2.1 35 1830 1240 1.2 2 2.3 2570 1980
120 8 16 2.1 37 2110 1360 1.3 2.5 2.4 3060 2310
150 8 25 2.2 38 2420 1510 1.3 2.5 2.5 3430 2510
185 8 25 2.2 40 2830 1680 1.3 2.5 2.5 3890 2720
240 8 25 2.3 43 3500 1980 1.4 2.5 2.6 4630 3120
300 8 25 2.4 45 4150 2250 1.4 2.5 2.7 5330 3430
400 8 35 2.5 49 5070 2640 1.5 2.5 2.8 6360 3930
500 8 35 2.6 52 5945 2965 1.6 2.5 2.9 7670 4490
630 8 35 2.7 56 7445 3555 1.7 2.5 3 8870 5020
800 8 50 2.8 61 9060 4180 1.9 2.5 3.2 10790 5980
1000 8 50 2.9 65 11140 4980 2 2.5 3.3 12860 6730
Nom. Cross-Section Area Nom. Insulation Thickness Copper Wire Screen Area Unarmoured Cables Aluminium Wire Armoured Cables
Nom. Sheath Thickness Approx. Overall Diameter Approx. Weight Nom. Bedding Thickness Armour Wire Size Nom. Sheath Thickness Approx. Weight
CU AL CU AL
mm² mm mm² mm mm kg/km mm mm mm kg/km
50 9.3 16 2 35.7 1526 1239 1.2 2 2.3 2331 2116
70 9.3 16 2.1 37.6 1809 1393 1.2 2.5 2.4 2680 2325
95 9.3 16 2.2 39.4 2123 1555 1.2 2.5 2.5 2981 2482
120 9.3 16 2.2 40.8 2405 1688 1.4 2.5 2.5 3487 2867
150 9.3 25 2.2 42.3 2733 1838 1.4 2.5 2.6 3870 3055
185 9.3 25 2.3 44.7 3216 2082 1.4 2.5 2.6 4420 3370
240 9.3 25 2.4 46.9 3766 2333 1.4 2.5 2.7 4981 3676
300 9.3 25 2.4 49.3 4408 2605 1.4 2.5 2.8 5661 3971
400 9.3 35 2.5 52.3 5473 3057 1.6 2.5 2.9 6865 4550
Nom. Cross-Section Area Nom. Insulation Thickness Copper Wire Screen Area Unarmoured Cables Aluminium Wire Armoured Cables
Nom. Sheath Thickness Approx. Overall Diameter Approx. Weight Nom. Bedding Thickness Armour Wire Size Nom. Sheath Thickness Approx. Weight
CU AL CU AL
mm² mm mm² mm mm kg/km mm mm mm kg/km
50 10.5 16 2.1 38.3 1689 1402 1.2 2.5 2.5 2580 2395
70 10.5 16 2.2 40.2 1980 1564 1.2 2.5 2.5 2937 2611
95 10.5 16 2.2 41.8 2283 1714 1.2 2.5 2.6 3206 2737
120 10.5 16 2.3 43.4 2588 1871 1.4 2.5 2.6 3753 3177
150 10.5 25 2.3 44.9 2923 2028 1.4 2.5 2.7 4143 3371
185 10.5 25 2.4 47.3 3415 2281 1.4 2.5 2.7 4694 3693
240 10.5 25 2.5 49.6 3975 2542 1.4 2.5 2.8 5258 4005
300 10.5 25 2.5 51.9 4625 2822 1.4 2.5 2.9 5940 4301
400 10.5 35 2.6 54.9 5704 3288 1.6 2.5 3 7155 4894
Nom. Cross-Section Area Buried Direct in Ground Laid in Single Way Duct Laid in Air
Trefoil Flat Spaced Trefoil Flat Touching Trefoil Flat Touching Flat Spaced
CU AL CU AL CU AL CU AL CU AL CU AL CU AL
mm² A A A A A A A
10 84 59 87 62 78 55 98 56 103 75 106 77 122 88
16 109 84 113 88 103 80 104 81 125 97 128 99 150 116
25 140 108 144 112 132 102 133 103 163 127 167 130 196 153
35 166 129 172 134 157 122 159 123 198 154 203 157 238 185
50 196 152 203 157 186 144 188 146 238 184 243 189 286 222
70 239 186 246 192 227 176 229 178 296 230 303 236 356 278
95 285 221 293 229 271 210 274 213 361 280 369 287 434 338
120 323 252 332 260 308 240 311 242 417 324 426 332 500 391
150 361 281 366 288 343 267 347 271 473 368 481 376 559 440
185 406 317 410 324 387 303 391 307 543 424 550 432 637 504
240 469 367 470 373 447 351 453 356 641 502 647 511 745 593
300 526 414 524 419 504 397 510 402 735 577 739 586 846 677
400 590 470 572 466 564 451 571 457 845 673 837 676 938 769
500 650 530 672 546 604 504 661 537 935 773 938 776 1118 919
630 700 600 882 646 654 554 771 617 1045 883 1048 886 1318 1089
800 750 660 1002 756 694 594 871 717 1145 983 1148 986 1528 1279
1000 800 720 1112 856 724 644 971 807 1235 1083 1238 1086 1738 1469
Nom. Cross-Section Area Buried Direct in Ground Laid in Single Way Duct Laid in Air
Trefoil Flat Spaced Trefoil Flat Touching Trefoil Flat Touching Flat Spaced
CU AL CU AL CU AL CU AL CU AL CU AL CU AL
mm² A A A A A A A
10 8157 8358 7452 9453 9468 9770 11079
16 10682 10984 9977 10078 11690 11992 138107
25 136105 140109 12899 129100 153119 156121 181141
35 162126 167130 153118 154120 186144 190147 221171
50 192149 198153 181140 183142 224174 229178 266207
70 234182 242188 222172 224174 280218 287223 334259
95 280217 289224 266206 269208 343266 352273 409317
120 319247 329256 303235 306238 398309 407317 474368
150 357277 369287 341264 344267 454352 465361 540419
185 403314 417325 386300 390303 522406 534417 621484
240 467364 484377 449350 454354 619483 634495 736575
300 526411 545426 509397 515401 712556 728570 843659
400 597471 618487 580456 588462 825651 843667 977770
500 657531 718567 620509 678542 915751 849767 1157920
630 707601 928667 670559 788622 1025862 1054876 13571090
800 757661 1048777 710599 888722 1125961 1154977 15671280
1000 807721 1158877 740649 988812 12151061 12441077 17771470

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Application

The single core cables are designed for distribution of electrical power with nominal voltage Uo/U ranging from 1.8/3KV to 26/35KV andfrequency 50Hz.
They are suitable for installation mostly in power supply stations, indoors and in cable ducts, outdoors, underground and in water as well as forinstallation on cable trays for industries, switchboards and power stations.

Commercial Buildings -application
Power Networks-application
Petrochemica-application
Renewable Energy-application

From Production to Delivery

From raw material preparation to final shipmen, every stage is caretuly controled to ensure consistent conductor quality, reliable pertormance,and sae delivery. Our roduction,
inspection, packaging, and logistics processes are managed in accordance with applicable standards and project requirements.

cable production line with finished cable being wound onto a reel

Production

Stranded annealed copper conductors are insulated with XLPE, assembled into the required multicore configuration, optionally filled and bound with polyester tape, then covered with the specified black PVC sheath.

Cable and conductor quality inspection and testing

Inspection

Inspection focuses on conductor construction, insulation condition, core identification, sheath integrity, overall diameter, conductor resistance and test-voltage requirements against the approved technical schedule.

Overhead conductors packed on wooden drums for shipment

Packaging

Finished cable is wound on suitable drums according to ordered size, weight and length. Cable ends are protected and drum identification can include cable type, conductor size, core count, length and project reference.

Wooden drums of overhead conductors loaded into shipping container

Shipping

Before shipment, cable drums and technical documents are checked against the order. Inspection records, identification data and requested test documentation can be prepared for the customer.

faq

What is the voltage range of these single core medium voltage cables?‌

These single core cables are designed for distribution of electrical power with a nominal voltage Uo/U ranging from ‌1.8/3kV up to 26/35kV‌, at a frequency of 50Hz.

Three insulation types are offered:
‌PVC (Polyvinyl Chloride)‌ — for 1.8/3kV and 3.6/6kV cables, a cost-effective and reliable option
‌XLPE (Cross-Linked Polyethylene)‌ — high temperature rating (90°C), superior electrical performance and current-carrying capacity
‌EPR/HEPR (Ethylene Propylene Rubber)‌ — excellent flexibility, cold resistance, and mechanical resilience

Single core cables carry alternating current, which would induce eddy currents in steel armour, causing overheating and energy loss. ‌Aluminium Wire Armour (AWA)‌ is non-magnetic, eliminating these issues while still providing the mechanical protection needed for direct burial and harsh installation conditions. Armour is available as an ‌optional feature‌.

Single core cables are typically preferred for:
High-current circuits where individual phase installation is required
Single-phase systems
Applications requiring easier cable pulling and installation
Circuits where individual phase replacement or maintenance may be needed
Large conductor sizes where three-core construction becomes impractical

Yes, we offer extensive customization options to meet specific project requirements including:

  • Special core configurations (e.g., 3+1E, 3+2E, 4+1E, custom multi-core)
  • Custom outer sheath colors (red, blue, grey, etc. for identification)
  • Special print marking with customer logo, project name, or custom text
  • Low smoke zero halogen (LSZH) versions for special fire safety requirements
  • UV-stabilized formulations for extreme outdoor exposure
  • Oil-resistant and chemical-resistant sheath compounds
  • Custom length drums and packaging

Custom orders typically require MOQ and may have slightly longer lead times. Contact our sales team with your specific requirements for a quote.

Typical production lead times:

  • Standard specifications (common sizes): 7-15 working days after order confirmation
  • Custom specifications or special requirements: 15-25 working days
  • Large volume orders: production schedule confirmed at time of order

We also maintain inventory of fast-moving standard sizes for immediate shipment. Transit time depends on destination port and shipping method. We can ship by sea (most cost-effective for large orders), air (urgent shipments), or rail (for Central Asian destinations).

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