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Medium Voltage Cable Insulation Class 100% 133% ICEA S-94-649
Medium Voltage Cable Insulation Class 100% 133% ICEA S-94-649

Medium Voltage Cable Insulation Class 100% 133% ICEA S-94-649

Built for performance – 100% & 133% MV insulation grade.
Reliable medium voltage cables for critical power systems.
High dielectric strength, long-lasting protection.
MV cables with 100% & 133% insulation – safety guaranteed.
Certified medium voltage cables for underground & industrial use.

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Application Construction Characteristics Parameter Related Products

Application

 

100% and 133% insulation grade medium voltage (MV) power cables are designed for reliable power transmission in utility, industrial, and commercial distribution systems. They feature copper or aluminum conductors insulated with cross-linked polyethylene (XLPE), offering excellent dielectric strength, thermal stability, and long-term performance.

 

The 100% insulation grade is intended for grounded systems, where the cable operates with minimal overvoltage risk. The 133% grade is used in ungrounded or resistance-grounded systems, offering enhanced insulation thickness to withstand higher electrical stress and improve system reliability under fault conditions.

 

These cables support continuous operation at 90°C, with short-circuit temperature ratings up to 250°C, and are resistant to moisture, chemicals, and UV exposure. Optional shielding (e.g., copper tape, concentric wires) and PVC or PE outer sheaths provide additional protection and EMI reduction.

Specifications

 

Aspect

 

Details & Applications

 
Conductor Material Annealed copper or aluminum, solid or stranded, per IEC 60228 / ASTM B8
Insulation Material XLPE (Cross-linked Polyethylene) or EPR (Ethylene Propylene Rubber) – for high dielectric strength and thermal stability
Insulation Grade 100% level: For systems with effectively grounded neutral133% level: For systems with ungrounded or intermittently grounded neutral
Voltage Range Typically from 5 kV to 35 kV
Cable Type Unarmoured or armoured, with metallic shield (copper tape or wire)
Sheath Material PVC or LSZH (Low Smoke Zero Halogen) – protects against UV, chemicals, and mechanical damage
Standards ICEA S-93-639 (NEMA WC74), ICEA S-97-682, IEEE 383, IEC 60502-2, AEIC CS8
Electrical Properties High dielectric strength, low partial discharge, stable under long-term loading
Temperature Rating 90°C continuous operation; up to 250°C in short circuit (5 sec)
Shielding Metallic shield ensures proper fault current path and controls electric field
Typical Applications – Power distribution in utilities, industrial zones, substations- Installed in duct banks, conduits, direct buried or trays
Selection Tip Use 100% insulation for grounded systems (more economical)Use 133% insulation where fault clearance may be delayed

STANDARD

ICEA S-94-649 15-35 kV Power Cable CU(AL)/XLPE/CWS/PVC Full Neutral/One-third Neutral

 

 

15 kV Power Cable CU(AL)/XLPE/CWS/PVC Full Neutral
Conductor Full Neutral 100% Insulation Level 133% Insulation Level
Size Area Nominal Diameter No. of wires Size Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight
AWG/kcmil mm² mm   AWG mm mm mm kg/km mm mm mm kg/km
Copper Conductor
2 33.6 6.81 16 14 4.45 2.03 27.6 1143 5.59 2.03 30.1 1248
1 42.4 7.59 13 12 4.45 2.03 29.2 1345 5.59 2.03 31.8 1453
1/0 53.5 8.53 16 12 4.45 2.03 30.2 1567 5.59 2.03 32.7 1679
2/0 67.4 9.55 13 10 4.45 2.03 32.3 1883 5.59 2.03 34.8 1998
3/0 85 10.7 16 10 4.45 2.03 33.5 2229 5.59 2.03 36 2349
4/0 107 12.1 20 10 4.45 2.03 34.8 2668 5.59 2.03 37.3 2793
250 127 13.2 25 10 4.45 2.03 35.9 3128 5.59 2.03 38.4 3256
Aluminum Conductor
2 33.6 6.81 10 14 4.45 2.03 27.6 812 5.59 2.03 30.1 917
1 42.4 7.59 13 14 4.45 2.03 28.4 919 5.59 2.03 30.9 1027
1/0 53.5 8.53 16 14 4.45 2.03 29.3 1036 5.59 2.03 31.8 1148
2/0 67.4 9.55 13 12 4.45 2.03 31.2 1204 5.59 2.03 33.7 1319
3/0 85 10.7 16 12 4.45 2.03 32.3 1380 5.59 2.03 34.9 1500
4/0 107 12.1 13 10 4.45 2.03 34.8 1642 5.59 2.03 37.3 1767
250 127 13.2 16 10 4.45 2.03 35.9 1877 5.59 2.03 38.4 2006
350 177 15.6 16 9 4.45 2.03 39 2304 5.59 2.03 42.1 2482
25 kV Power Cable CU(AL)/XLPE/CWS/PVC Full Neutral
Conductor Full Neutral 100% Insulation Level 133% Insulation Level
Size Area Nominal Diameter No. of wires Size Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight
AWG/kcmil mm² mm   AWG mm mm mm kg/km mm mm mm kg/km
Copper Conductor
1 42.4 7.59 13 12 6.6 2.03 33.7 1544 – – – –
1/0 53.5 8.53 16 12 6.6 2.03 34.7 1772 8.13 2.03 38.3 1958
2/0 67.4 9.55 13 10 6.6 2.03 36.8 2094 8.13 2.03 41 2325
3/0 85 10.7 16 10 6.6 2.03 38 2449 8.13 2.03 42.2 2687
4/0 107 12.1 20 10 6.6 2.03 39.3 2897 8.13 2.03 43.5 3144
250 127 13.2 25 10 6.6 2.03 41 3403 8.13 2.03 44.6 3617
Aluminum Conductor
1 42.4 7.59 13 14 6.6 2.03 32.9 1117        
1/0 53.5 8.53 16 14 6.6 2.03 33.8 1241 8.13 2.03 37.4 1427
2/0 67.4 9.55 13 12 6.6 2.03 35.7 1416 8.13 2.03 39.9 1646
3/0 85 10.7 16 12 6.6 2.03 36.8 1599 8.13 2.03 41 1837
4/0 107 12.1 13 10 6.6 2.03 39.3 1870 8.13 2.03 43.5 2117
250 127 13.2 16 10 6.6 2.03 41 2152 8.13 2.03 44.6 2366
350 177 15.6 16 9 6.6 2.03 44 2598 8.13 2.79 49.4 3020
35 kV Power Cable CU(AL)/XLPE/CWS/PVC Full Neutral
Conductor Full Neutral 100% Insulation Level 133% Insulation Level
Size Area Nominal Diameter No. of wires Size Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight
AWG/kcmil mm² mm   AWG mm mm mm kg/km mm mm mm kg/km
Copper Conductor
1/0 53.5 8.53 16 12 8.76 2.03 40.3 2075 10.67 2.03 43.8 2286
2/0 67.4 9.55 13 10 8.76 2.03 42.4 2405 10.67 2.03 45.9 2623
3/0 85 10.7 16 10 8.76 2.03 43.6 2770 10.67 2.79 48.9 3187
4/0 107 12.1 20 10 8.76 2.03 44.9 3229 10.67 2.79 50.2 3658
250 127 13.2 25 10 8.76 2.03 46 3705 10.67 2.79 51.3 4144
Aluminum Conductor
1/0 53.5 8.53 16 14 8.76 2.03 39.4 1543 10.67 2.03 43 1755
2/0 67.4 9.55 13 12 8.76 2.03 41.3 1727 10.67 2.03 44.8 1944
3/0 85 10.7 16 12 8.76 2.03 42.4 1920 10.67 2.03 46 2143
4/0 107 12.1 13 10 8.76 2.03 44.9 2203 10.67 2.79 50.2 2631
250 127 13.2 16 10 8.76 2.03 46 2454 10.67 2.79 51.3 2893
350 177 15.6 16 9 8.76 2.79 50.8 3119 10.67 2.79 54.4 3381
15 kV Power Cable CU(AL)/XLPE/CWS/PVC One-third Neutral
Conductor One-third Neutral 100% Insulation Level 133% Insulation Level
Size Area Nominal Diameter No. of wires Size Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight
AWG/kcmil mm² mm   AWG mm mm mm kg/km mm mm mm kg/km
Copper Conductor
2 33.6 6.81 9 16 4.45 2.03 26.9 933 5.59 2.03 29.4 1038
1 42.4 7.59 11 16 4.45 2.03 27.7 1062 5.59 2.03 30.2 1170
1/0 53.5 8.53 14 16 4.45 2.03 28.7 1228 5.59 2.03 31.2 1340
2/0 67.4 9.55 18 16 4.45 2.03 29.7 1435 5.59 2.03 32.2 1550
3/0 85 10.7 22 16 4.45 2.03 30.9 1682 5.59 2.03 33.4 1802
4/0 107 12.1 18 14 4.45 2.03 32.9 2013 5.59 2.03 35.4 2138
250 127 13.2 21 14 4.45 2.03 34 2284 5.59 2.03 36.5 2413
350 177 15.6 18 12 4.45 2.03 37.3 2977 5.59 2.03 40.4 3155
500 253 18.7 26 12 4.45 2.03 40.9 4049 5.59 2.03 43.4 4202
750 380 23.1 25 10 4.45 2.79 48.1 5971 5.59 2.79 50.6 6149
1000 507 26.9 32 10 4.45 2.79 52.4 7624 5.59 2.79 55.7 7900
Aluminum Conductor
2 33.6 6.81 6 14 4.45 2.03 27.6 734 5.59 2.03 30.1 839
1 42.4 7.59 6 14 4.45 2.03 28.4 782 5.59 2.03 30.9 890
1/0 53.5 8.53 6 14 4.45 2.03 29.3 841 5.59 2.03 31.8 952
2/0 67.4 9.55 7 14 4.45 2.03 30.4 930 5.59 2.03 32.9 1045
3/0 85 10.7 9 14 4.45 2.03 31.5 1053 5.59 2.03 34 1172
4/0 107 12.1 11 14 4.45 2.03 32.9 1195 5.59 2.03 35.4 1320
250 127 13.2 13 14 4.45 2.03 34 1321 5.59 2.03 36.5 1450
350 177 15.6 18 14 4.45 2.03 36.4 1633 5.59 2.03 39.5 1810
500 253 18.7 16 12 4.45 2.03 40.9 2128 5.59 2.03 43.4 2280
750 380 23.1 24 12 4.45 2.79 47.1 3051 5.59 2.79 49.6 3230
1000 507 26.9 20 10 4.45 2.79 52.4 3819 5.59 2.79 55.7 4095
25 kV Power Cable CU(AL)/XLPE/CWS/PVC One-third Neutral
Conductor One-third Neutral 100% Insulation Level 133% Insulation Level
Size Area Nominal Diameter No. of wires Size Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight
AWG/kcmil mm² mm   AWG mm mm mm kg/km mm mm mm kg/km
Copper Conductor
1 42.4 7.59 11 16 6.6 2.03 31.9 1242 – – – –
1/0 53.5 8.53 14 16 6.6 2.03 33.2 1433 8.13 2.03 36.8 1619
2/0 67.4 9.55 18 16 6.6 2.03 34.2 1646 8.13 2.03 38.4 1877
3/0 85 10.7 22 16 6.6 2.03 35.4 1902 8.13 2.03 39.6 2140
4/0 107 12.1 18 14 6.6 2.03 37.4 2241 8.13 2.03 41.6 2488
250 127 13.2 21 14 6.6 2.03 39.1 2559 8.13 2.03 42.7 2773
350 177 15.6 18 12 6.6 2.03 42.4 3271 8.13 2.79 47.8 3687
500 253 18.7 26 12 6.6 2.03 45.4 4326 8.13 2.79 50.8 4771
750 380 23.1 25 10 6.6 2.79 52.6 6295 8.13 2.79 57 6660
1000 507 26.9 32 10 6.6 2.79 57.7 8061 8.13 2.79 61.3 8371
Aluminum Conductor
1 42.4 7.59 6 14 6.6 2.03 32.9 980        
1/0 53.5 8.53 6 14 6.6 2.03 33.8 1045 8.13 2.03 37.4 1231
2/0 67.4 9.55 7 14 6.6 2.03 34.8 1142 8.13 2.03 39 1372
3/0 85 10.7 9 14 6.6 2.03 36 1272 8.13 2.03 40.2 1509
4/0 107 12.1 11 14 6.6 2.03 37.4 1424 8.13 2.03 41.6 1671
250 127 13.2 13 14 6.6 2.03 39.1 1596 8.13 2.03 42.7 1811
350 177 15.6 18 14 6.6 2.03 41.5 1926 8.13 2.03 45.1 2154
500 253 18.7 16 12 6.6 2.03 45.4 2405 8.13 2.79 50.8 2849
750 380 23.1 24 12 6.6 2.79 51.6 3375 8.13 2.79 56.1 3741
1000 507 26.9 20 10 6.6 2.79 57.7 4256 8.13 2.79 61.3 4566

 

35 kV Power Cable CU(AL)/XLPE/CWS/PVC One-third Neutral
Conductor One-third Neutral 100% Insulation Level 133% Insulation Level
Size Area Nominal Diameter No. of wires Size Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight Nominal Insulation  Thickness Nominal Sheath  Thickness Approx. Overall Diameter Approx. Weight
AWG/kcmil mm² mm   AWG mm mm mm kg/km mm mm mm kg/km
Copper Conductor
1/0 53.5 8.53 14 16 8.76 2.03 38.7 1736 10.67 2.03 42.3 1947
2/0 67.4 9.55 18 16 8.76 2.03 39.8 1958 10.67 2.03 43.3 2175
3/0 85 10.7 22 16 8.76 2.03 41 2223 10.67 2.03 44.5 2447
4/0 107 12.1 18 14 8.76 2.03 43 2574 10.67 2.79 48.3 2995
250 127 13.2 21 14 8.76 2.03 44.1 2861 10.67 2.79 49.4 3292
350 177 15.6 18 12 8.76 2.79 49.2 3786 10.67 2.79 52.8 4049
500 253 18.7 26 12 8.76 2.79 52.2 4876 10.67 2.79 56.6 5239
750 380 23.1 25 10 8.76 2.79 58.4 6776 10.67 2.79 62 7082
1000 507 26.9 32 10 8.76 2.79 62.7 8496 10.67 2.79 66.2 8825
Aluminum Conductor
1/0 53.5 8.53 6 14 8.76 2.03 39.4 1348 10.67 2.03 43 1559
2/0 67.4 9.55 7 14 8.76 2.03 40.4 1453 10.67 2.03 44 1670
3/0 85 10.7 9 14 8.76 2.03 41.6 1592 10.67 2.03 45.1 1815
4/0 107 12.1 11 14 8.76 2.03 43 1756 10.67 2.79 48.3 2177
250 127 13.2 13 14 8.76 2.03 44.1 1899 10.67 2.79 49.4 2330
350 177 15.6 18 14 8.76 2.79 48.3 2437 10.67 2.79 51.8 2699
500 253 18.7 16 12 8.76 2.79 52.2 2954 10.67 2.79 56.6 3317
750 380 23.1 24 12 8.76 2.79 57.5 3857 10.67 2.79 61 4164
1000 507 26.9 20 10 8.76 2.79 62.7 4691 10.67 2.79 66.2 5020

 

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Huili Cable Co., Ltd. (formerly Luohe Huili Cable Co., Ltd. and Luohe Cable Factory) was founded in 1989 and was renamed Huili Cable Co., Ltd. on September 14, 2024. The company's registered capital is RMB 200 million.

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