2, 3, 3.5 and 4 core, armoured or unarmoured, 650/1100 V

XLPE Multicore Copper Power Cables

Multicore XLPE power cable with stranded compacted sector-shaped copper conductors, PVC inner sheath and galvanised steel armour where specified. The 3.5 core has a reduced neutral for balanced three phase distribution.

IS 7098 Part 1 650/1100 V AC / 1500 V DC to earth 2, 3, 3.5 and 4 core, 4 mm² to 400 mm²

XLPE insulation — 90 °C continuous, 250 °C short circuit
Galvanised steel flat strip or round wire armour to IS 3975
PVC Type ST2 inner and outer sheath, FRLS / FR / LSZH options
Sector shaped compacted conductors on larger sizes
Reduced neutral on the 3.5 core range

Enquire about XLPE Multicore Copper Power Cables

Construction IS 7098 Part 1

Conductor: Stranded compacted copper to IS 8130, class 1 or 2
Insulation: Cross-linked polyethylene (XLPE) to IS 7098-1
Inner sheath: Extruded PVC Type ST2 to IS 5831
Armour: Galvanised steel flat strip or round wire to IS 3975
Sheath: Extruded PVC Type ST2 / FRLS / FR / LSZH
Bending radius: 12 × overall diameter, fixed installation

Schedules

Dimensions, weight and ratings

Dimensions in millimetres, weights in kg/km, currents in amperes. Tables scroll sideways on narrow screens.

Two core, unarmoured

17 rows

Size	Class	Insulation	Sheath	Overall dia.	Weight (kg/km)
2 × 4	Class 1	0.7	1.8	12.5	165
2 × 6	Class 1	0.7	1.8	13.5	210
2 × 4	Class 2	0.7	1.8	13	175
2 × 6	Class 2	0.7	1.8	14	225
2 × 10	Class 2	0.7	1.8	16	300
2 × 16	Class 2	0.7	1.8	14	422
2 × 25	Class 2	0.9	2	17	636
2 × 35	Class 2	0.9	2	19	817
2 × 50	Class 2	1	2	21	1054
2 × 70	Class 2	1.1	2	23	1453
2 × 95	Class 2	1.1	2.2	26.5	1966
2 × 120	Class 2	1.2	2.2	28.5	2413
2 × 150	Class 2	1.4	2.2	32	2935
2 × 185	Class 2	1.6	2.4	35.5	3676
2 × 240	Class 2	1.7	2.6	39.5	4750
2 × 300	Class 2	1.8	2.8	43.5	5918
2 × 400	Class 2	2	3	49	7495

Two core, flat strip armoured

11 rows

Size	Insulation	Armour	Sheath (min.)	Overall dia.	Weight (kg/km)
2 × 25	0.9	4 × 0.8	1.4	18.5	804
2 × 35	0.9	4 × 0.8	1.4	20	1020
2 × 50	1	4 × 0.8	1.4	22.5	1311
2 × 70	1.1	4 × 0.8	1.56	25.5	1757
2 × 95	1.1	4 × 0.8	1.56	28	2289
2 × 120	1.2	4 × 0.8	1.56	30.5	2755
2 × 150	1.4	4 × 0.8	1.72	31.8	3353
2 × 185	1.6	4 × 0.8	1.72	37	4094
2 × 240	1.7	4 × 0.8	1.88	38.7	5225
2 × 300	1.8	4 × 0.8	2.04	42.5	6412
2 × 400	2	4 × 0.8	2.36	48.2	8075

Two core, round wire armoured

17 rows

Size	Class	Insulation	Armour	Sheath (min.)	Overall dia.	Weight (kg/km)
2 × 4	Class 1	0.7	1.4	1.24	14	408
2 × 4	Class 2	0.7	1.4	1.24	14.5	427
2 × 6	Class 1	0.7	1.4	1.24	15	484
2 × 6	Class 2	0.7	1.4	1.24	16	522
2 × 10	Class 2	0.7	1.4	1.24	17.5	665
2 × 16	Class 2	0.7	1.4	1.4	17	697
2 × 25	Class 2	0.9	1.6	1.4	20	1002
2 × 35	Class 2	0.9	1.6	1.4	22	1224
2 × 50	Class 2	1	1.6	1.4	24	1520
2 × 70	Class 2	1.1	1.6	1.56	27	2004
2 × 95	Class 2	1.1	2	1.56	30.5	2736
2 × 120	Class 2	1.2	2	1.56	33	3230
2 × 150	Class 2	1.4	2	1.72	36	3876
2 × 185	Class 2	1.6	2	1.88	40	4731
2 × 240	Class 2	1.7	2.5	2.04	42.4	6203
2 × 300	Class 2	1.8	2.5	2.2	46.2	7514
2 × 400	Class 2	2	2.5	2.36	51.6	9262

Three core, unarmoured

17 rows

Size	Class	Insulation	Sheath	Overall dia.	Weight (kg/km)
3 × 4	Class 1	0.7	1.8	13	210
3 × 4	Class 2	0.7	1.8	13.5	232
3 × 6	Class 1	0.7	1.8	14	280
3 × 6	Class 2	0.7	1.8	15	299
3 × 10	Class 2	0.7	1.8	16.5	415
3 × 16	Class 2	0.7	1.8	16.2	425
3 × 25	Class 2	0.9	2	19.5	874
3 × 35	Class 2	0.9	2	21.5	1150
3 × 50	Class 2	1	2	24.5	1501
3 × 70	Class 2	1.1	2.2	28	2118
3 × 95	Class 2	1.1	2.2	30.8	2821
3 × 120	Class 2	1.2	2.2	33.8	3496
3 × 150	Class 2	1.4	2.4	37.9	4322
3 × 185	Class 2	1.6	2.6	42	5377
3 × 240	Class 2	1.7	2.8	46.9	6992
3 × 300	Class 2	1.8	3	51.5	8683
3 × 400	Class 2	2	3.2	58.6	11029

Three core, flat strip armoured

12 rows

Size	Insulation	Armour	Sheath (min.)	Overall dia.	Weight (kg/km)
3 × 16	0.7	4 × 0.8	1.24	16.8	772
3 × 25	0.9	4 × 0.8	1.4	20.1	1102
3 × 35	0.9	4 × 0.8	1.4	22	1396
3 × 50	1	4 × 0.8	1.4	24.8	1767
3 × 70	1.1	4 × 0.8	1.56	28.5	2441
3 × 95	1.1	4 × 0.8	1.56	31.3	3182
3 × 120	1.2	4 × 0.8	1.56	34.3	3895
3 × 150	1.4	4 × 0.8	1.72	38.3	4759
3 × 185	1.6	4 × 0.8	1.88	42.3	5852
3 × 240	1.7	4 × 0.8	2.04	47.3	7505
3 × 300	1.8	4 × 0.8	2.2	51.8	9243
3 × 400	2	4 × 0.8	2.52	58.5	11704

Three core, round wire armoured

17 rows

Size	Class	Insulation	Armour	Sheath (min.)	Overall dia.	Weight (kg/km)
3 × 4	Class 1	0.7	1.4	1.24	15	530
3 × 4	Class 2	0.7	1.4	1.24	16	460
3 × 6	Class 1	0.7	1.4	1.24	16	640
3 × 6	Class 2	0.7	1.4	1.24	17	551
3 × 10	Class 2	0.7	1.4	1.24	19	722
3 × 16	Class 2	0.7	1.4	1.4	18.8	921
3 × 25	Class 2	0.9	1.6	1.4	21.7	1282
3 × 35	Class 2	0.9	1.6	1.4	23.6	1596
3 × 50	Class 2	1	1.6	1.56	26.8	2042
3 × 70	Class 2	1.1	1.6	1.56	30.9	2888
3 × 95	Class 2	1.1	2	1.56	33.7	3686
3 × 120	Class 2	1.2	2	1.72	37	4455
3 × 150	Class 2	1.4	2	1.88	41.1	5396
3 × 185	Class 2	1.6	2	2.04	46	6868
3 × 240	Class 2	1.7	2.5	2.2	50.9	8654
3 × 300	Class 2	1.8	2.5	2.36	55.5	10526
3 × 400	Class 2	2	2.5	2.68	64	13718

Three and a half core, unarmoured

11 rows

Size	Insulation (main/neutral)	Sheath	Overall dia.	Weight (kg/km)
3.5 × 25	0.9 / 0.7	2	21.3	1035
3.5 × 35	0.9 / 0.7	2	23.6	1311
3.5 × 50	1 / 0.9	2	26.8	1748
3.5 × 70	1.1 / 0.9	2.2	31	2460
3.5 × 95	1.1 / 1	2.2	34.3	3287
3.5 × 120	1.2 / 1.1	2.2	37.6	4142
3.5 × 150	1.4 / 1.1	2.4	42.3	4987
3.5 × 185	1.6 / 1.1	2.6	46.8	6279
3.5 × 240	1.7 / 1.2	2.8	52.4	8122
3.5 × 300	1.8 / 1.4	3	57	10079
3.5 × 400	2 / 1.6	3.4	65	12835

Three and a half core, flat strip armoured

11 rows

Size	Insulation (main/neutral)	Armour	Sheath (min.)	Overall dia.	Weight (kg/km)
3.5 × 25	0.9 / 0.7	4 × 0.8	1.4	21.9	1272
3.5 × 35	0.9 / 0.7	4 × 0.8	1.4	24.2	1586
3.5 × 50	1 / 0.9	4 × 0.8	1.4	27.4	2061
3.5 × 70	1.1 / 0.9	4 × 0.8	1.56	31.5	2831
3.5 × 95	1.1 / 1	4 × 0.8	1.56	34.8	3686
3.5 × 120	1.2 / 1.1	4 × 0.8	1.72	38.5	4617
3.5 × 150	1.4 / 1.1	4 × 0.8	1.72	42.7	5481
3.5 × 185	1.6 / 1.1	4 × 0.8	1.88	47.2	6830
3.5 × 240	1.7 / 1.2	4 × 0.8	2.04	52.7	8711
3.5 × 300	1.8 / 1.4	4 × 0.8	2.2	57.9	10716
3.5 × 400	2 / 1.6	4 × 0.8	2.52	65.5	13556

Three and a half core, round wire armoured

11 rows

Size	Insulation (main/neutral)	Armour	Sheath (min.)	Overall dia.	Weight (kg/km)
3.5 × 25	0.9 / 0.7	1.6	1.4	23.6	1491
3.5 × 35	0.9 / 0.7	1.6	1.4	25.8	1824
3.5 × 50	1 / 0.9	1.6	1.56	29	2337
3.5 × 70	1.1 / 0.9	2	1.56	33.9	3296
3.5 × 95	1.1 / 1	2	1.56	37.2	4237
3.5 × 120	1.2 / 1.1	2	1.72	41	5225
3.5 × 150	1.4 / 1.1	2	1.88	45	6194
3.5 × 185	1.6 / 1.1	2.5	2.04	50	7989
3.5 × 240	1.7 / 1.2	2.5	2.2	56	10003
3.5 × 300	1.8 / 1.4	2.5	2.36	61	12131
3.5 × 400	2 / 1.6	3.15	2.68	70	15817

Four core, unarmoured

16 rows

Size	Class	Insulation	Sheath	Overall dia.	Weight (kg/km)
4 × 4	Class 1	0.7	1.8	13.5	260
4 × 6	Class 1	0.7	1.8	14.7	350
4 × 4	Class 2	0.7	1.8	14.2	280
4 × 6	Class 2	0.7	1.8	15.5	365
4 × 10	Class 2	0.7	1.8	17.8	510
4 × 16	Class 2	0.7	1.8	17.5	741
4 × 25	Class 2	0.9	2	21	1140
4 × 35	Class 2	0.9	2	23.5	1491
4 × 50	Class 2	1	2	26	1957
4 × 70	Class 2	1.1	2.2	30.5	2774
4 × 95	Class 2	1.1	2.2	33.5	3714
4 × 120	Class 2	1.2	2.4	37.5	4645
4 × 150	Class 2	1.4	2.6	42	5719
4 × 185	Class 2	1.6	2.8	46.5	7125
4 × 240	Class 2	1.7	3	52.5	9253
4 × 300	Class 2	1.8	3.2	58	11524

Four core, flat strip armoured

11 rows

Size	Insulation	Armour	Sheath (min.)	Overall dia.	Weight (kg/km)
4 × 16	0.7	4 × 0.8	1.4	20	969
4 × 25	0.9	4 × 0.8	1.4	23	1406
4 × 35	0.9	4 × 0.8	1.4	25	1786
4 × 50	1	4 × 0.8	1.56	28	2308
4 × 70	1.1	4 × 0.8	1.56	32	3154
4 × 95	1.1	4 × 0.8	1.56	35	4161
4 × 120	1.2	4 × 0.8	1.72	39	5101
4 × 150	1.4	4 × 0.8	1.88	43.5	6232
4 × 185	1.6	4 × 0.8	2.04	48	7676
4 × 240	1.7	4 × 0.8	2.2	54	9880
4 × 300	1.8	4 × 0.8	2.36	59.5	12198

Four core, round wire armoured

16 rows

Size	Class	Insulation	Armour	Sheath (min.)	Overall dia.	Weight (kg/km)
4 × 4	Class 1	0.7	1.4	1.24	15.3	503
4 × 4	Class 2	0.7	1.4	1.24	16	533
4 × 6	Class 1	0.7	1.4	1.24	16.5	618
4 × 6	Class 2	0.7	1.4	1.24	17.3	646
4 × 10	Class 2	0.7	1.4	1.4	19.8	870
4 × 16	Class 2	0.7	1.6	1.4	21	1159
4 × 25	Class 2	0.9	1.6	1.4	25	1615
4 × 35	Class 2	0.9	1.6	1.4	26.5	2033
4 × 50	Class 2	1	1.6	1.56	29.5	2593
4 × 70	Class 2	1.1	2	1.56	34	3686
4 × 95	Class 2	1.1	2	1.72	38	4769
4 × 120	Class 2	1.2	2	1.88	42	5795
4 × 150	Class 2	1.4	2.5	2.04	47	7324
4 × 185	Class 2	1.6	2.5	2.2	52	8901
4 × 240	Class 2	1.7	2.5	2.36	57.5	11210
4 × 300	Class 2	1.8	3.15	2.52	64.5	14279

Current carrying capacity — 3, 3.5 and 4 core copper

15 rows

Size (mm²)	Buried in ground	In ducts	In air	Max. DC res. (Ω/km)
4	45	38	41	4.61
6	56	47	52	3.08
10	74	62	70	1.83
16	95	79	89	1.15
25	122	102	119	0.727
35	146	122	147	0.524
50	173	144	179	0.387
70	212	177	226	0.268
95	254	212	279	0.193
120	287	240	320	0.153
150	321	269	365	0.124
185	362	304	422	0.0991
240	418	352	500	0.0754
300	469	396	574	0.0601
400	528	447	662	0.047

Air 40 °C, ground 30 °C, conductor 90 °C. To IS 3961 Part 6. Two core ratings run slightly higher — see the two core schedule or ask us.

Dimensions and weights are approximate and subject to manufacturing tolerance. Current ratings assume the stated installation conditions — apply the de-rating factors for anything else, and confirm against the mill certificate before ordering.