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Electrical cables

BYJ

BYJ: copper conductor with cross-linked polyolefin insulation. WDZA-BYJ, WDZA-BYJ-105, WDZA-BYJ-125; JB/T 10491-2022.

Cross section (mm²)	Conductor class	Outside diameter (mm)	20°C resistance (Ω/km)	Ampacity (A)
0.75	1	2.2	24.5	18
0.75	2	2.3	24.5	18
1.0	1	2.3	18.1	22
1.0	2	2.5	18.1	22
1.5	1	2.8	12.1	28
1.5	2	3	12.1	28
2.5	1	3.4	7.41	41
2.5	2	3.6	7.41	41
4	1	3.9	4.61	54
4	2	4.1	4.61	54
6	1	4.4	3.08	68
6	2	4.7	3.08	68
10	2	6	1.83	93
16	2	7.1	1.15	120
25	2	8.8	0.727	155
35	2	9.9	0.524	195
50	2	11.7	0.387	235
70	2	13.4	0.268	295
95	2	15.7	0.193	370
120	2	17.3	0.153	430
150	2	19.2	0.124	495
185	2	21.4	0.0991	570
240	2	24.5	0.0754	680
300	2	27.2	0.0601	790

BVV

BVV: copper conductor with PVC insulation and round PVC sheath. JB/T 8734.2-2016; ZC-BVV also follows GB/T 19666-2019. 300/500 V.

Cross section (mm²)	Conductor class	Outside diameter (mm)	20°C resistance (Ω/km)	Ampacity (A)
0.75	1	3.8	24.5	14
0.75	2	3.9	24.5	14
1.0	1	3.9	18.1	16
1.0	2	4.1	18.1	16
1.5	1	4.4	12.1	21
1.5	2	4.6	12.1	21
2.5	1	5	7.41	25
2.5	2	5.2	7.41	25
4	1	5.7	4.61	38
4	2	5.9	4.61	38
6	1	6.2	3.08	49
6	2	6.5	3.08	49
10	2	7.8	1.83	68
16	2	8.9	1.15	91
25	2	10.8	0.727	120
35	2	12.1	0.524	150
50	2	14.3	0.387	180
70	2	16.2	0.268	230
95	2	18.7	0.193	290
120	2	20.5	0.153	335
150	2	22.8	0.124	390
185	2	25.2	0.0991	450
240	2	27.7	0.0754	545
300	2	30.6	0.0601	630
400	2	34.3	0.047	735

Additional cable series

EV-SS / EV-S90S90 / EV-SSPS / EV-S90S90PS90

EV charging cable: GB/T 33594-2017, 450/750 V. Type S: −25…+70°C; type S90: −40…+90°C.

Cores × section (mm²)	Min. diameter (mm)	Max. diameter (mm)	20°C resistance (Ω/km)	Ampacity (A)
3x1.0	10.9	14.0	19.5	16
3x2.5	12.6	16.1	7.98	25
3x4	14.4	18.4	4.95	38
3x6	15.8	20.2	3.30	49
3x10	17.6	22.3	1.91	65
3x16	20.1	25.4	1.21	84
3x25	24.0	30.4	0.78	110
3x35	27.7	35.0	0.554	135
3x50	32.4	40.9	0.386	170
3x70	37.1	46.8	0.272	215
4x1.0	11.9	15.2	19.5	16
4x2.5	13.7	17.5	7.98	28
4x4	16.0	20.4	4.95	37
4x6	17.5	22.2	3.30	47
4x10	19.7	25.0	1.91	65
4x16	22.5	28.6	1.21	84
4x50	36.2	45.6	0.386	170
4x70	41.4	52.1	0.272	215
5x1.0	12.9	16.4	19.5	16
5x1.5	13.6	17.4	13.3	22
5x2.5	14.9	19.0	7.98	28
5x4	17.6	22.3	4.95	37
5x6	19.3	24.5	3.30	47
5x16	25.0	31.7	1.21	84
5x25	30.7	38.8	0.78	110
5x35	34.2	43.1	0.554	135
5x50	40.2	50.6	0.386	170
5x70	45.9	57.7	0.272	215

EV-RSS / EV-RS90S90 / EV-RSSPS / EV-RS90S90PS90

EV charging cable: GB/T 33594-2017, 450/750 V. Type S: −25…+70°C; type S90: −40…+90°C.

Cores × section (mm²)	Min. diameter (mm)	Max. diameter (mm)	20°C resistance (Ω/km)	Ampacity (A)
3x1.0	12.3	15.7	19.5	16
3x2.5	13.9	17.8	7.98	25
3x4	16.1	20.5	4.95	38
3x6	17.4	22.1	3.30	49
3x10	19.3	24.5	1.91	65
3x16	21.6	27.4	1.21	84
3x25	25.7	32.5	0.78	110
3x35	29.7	37.6	0.554	135
3x50	34.5	43.4	0.386	170
3x70	39.2	49.3	0.272	215
4x1.0	13.2	16.9	19.5	16
4x2.5	15.3	19.4	7.98	28
4x4	17.6	22.3	4.95	37
4x16	24.3	30.7	1.21	84
4x25	29.2	36.8	0.78	110
4x70	43.2	54.4	0.272	215
5x1.5	15.2	19.3	13.3	22
5x2.5	16.4	20.9	7.98	28
5x4	19.3	24.5	4.95	37
5x6	20.8	26.4	3.30	47
5x10	23.6	29.9	1.91	65
5x16	26.8	33.8	1.21	84
5x25	32.5	41.0	0.78	110
5x35	36.2	45.6	0.554	135
5x50	42.0	52.9	0.386	170
5x70	48.1	60.5	0.272	215

RVV

Flexible copper cable with PVC insulation and sheath, 300/500 V.

Cores × section (mm²)	Outside diameter (mm)	20°C resistance (Ω/km)	Ampacity (A)
2x1.0	7	19.5	16
2x4.0	11.7	4.95	38
2x6.0	13.2	3.30	49
2x10	16.3	1.91	68
3x0.75	7.2	26.0	14
3x2.5	10.9	7.98	25
3x6.0	14.3	3.30	49
4x4.0	13.9	4.95	38
4x6.0	15.7	3.30	49
5x2.5	13.2	7.98	25
5x4.0	15.5	4.95	38
5x6.0	18.6	3.30	49

YJV / YJLHV

XLPE insulated power cable, 600/1000 V, GB/T 12706.1-2020. Version 22 has steel-tape armour.

Cores × section (mm²)	Outside diameter (mm)
3x16+1x10	18.6
3x25+1x16	22.1
3x35+1x16	23.9
3x50+1x25	27.4
3x95+1x50	36.0
3x120+1x70	40.3
3x150+1x70	44.2
3x240+1x120	54.7
3x300+1x150	60.7
3x400+1x185	68.4
3x16+2x10	19.9
3x25+2x16	23.5
3x35+2x16	25.2
3x50+2x25	29.3
3x70+2x35	33.9
3x95+2x50	38.4
3x120+2x70	43.3
3x150+2x70	46.8
3x240+2x120	58.0
3x300+2x150	64.4
4x10+1x6	17.7
4x16+1x10	20.4
4x25+1x16	24.4
4x50+1x25	30.6
4x70+1x35	35.9
4x120+1x70	45.3
4x150+1x70	49.8
4x240+1x120	61.6
4x300+1x150	68.3

YJV22 / YJLHV22

XLPE insulated power cable, 600/1000 V, GB/T 12706.1-2020. Version 22 has steel-tape armour.

Cores × section (mm²)	Outside diameter (mm)
3x16+1x10	20.6
3x25+1x16	24.1
3x35+1x16	25.9
3x50+1x25	29.4
3x70+1x35	34.1
3x95+1x50	39.8
3x120+1x70	44.3
3x150+1x70	48.2
3x240+1x120	59.1
3x300+1x150	64.9
3x400+1x185	72.8
3x50+2x25	31.3
3x70+2x35	35.9
3x95+2x50	42.2
3x120+2x70	47.3
3x150+2x70	50.8
3x240+2x120	62.4
3x300+2x150	68.8
4x16+1x10	22.4
4x35+1x16	28.6
4x50+1x25	32.8
4x70+1x35	39.1
4x95+1x50	44.3
4x120+1x70	49.1
4x150+1x70	54.2
4x240+1x120	66.0
4x300+1x150	72.7
4x400+1x185	82.9

Household wiring series

BY

WDZA-BY copper conductor with polyolefin insulation. GB/T 19666-2019 / Q/LS 108-2024.

Cross section (mm²)	Conductor class	Outside diameter (mm)	20°C resistance (Ω/km)	70°C insulation resistance (MΩ·km)	Catalogue ampacity (A)	Reference mass (kg/km)
0.75	1	2.2	24.5	0.012	14	11
0.75	2	2.3	24.5	0.014	14	11
1	1	2.3	18.1	0.011	16	14
1	2	2.5	18.1	0.013	16	14
1.5	1	2.8	12.1	0.011	21	20
1.5	2	3	12.1	0.01	21	20
2.5	1	3.4	7.41	0.01	25	32
2.5	2	3.6	7.41	0.009	25	32
4	1	3.9	4.61	0.0085	38	46
4	2	4.1	4.61	0.0077	38	46
6	1	4.4	3.08	0.007	49	66
6	2	4.7	3.08	0.0065	49	66
10	2	6	1.83	0.0065	68	115
16	2	7.1	1.15	0.005	91	173
25	2	8.8	0.727	0.005	120	269
35	2	9.9	0.524	0.004	150	370

RY

WDZA-RY flexible copper conductor with polyolefin insulation. GB/T 19666-2019 / Q/LS 108-2024.

Cross section (mm²)	Conductor class	Outside diameter (mm)	20°C resistance (Ω/km)	70°C insulation resistance (MΩ·km)	Catalogue ampacity (A)	Reference mass (kg/km)
0.75	5	2.3	26	0.011	14	12
1	5	2.5	19.5	0.01	16	15
1.5	5	3	13.3	0.01	21	21
2.5	5	3.9	7.89	0.009	25	34
4	5	4.6	4.95	0.007	38	50
6	5	5.3	3.3	0.006	49	71
10	5	6.8	1.91	0.0056	68	118
16	5	7.9	1.21	0.0046	91	176
25	5	9.8	0.78	0.0044	120	275
35	5	11	0.554	0.0038	150	366

BYJR

WDZA-BYJR, WDZA-BYJR-105 and WDZA-BYJR-125 flexible cable with cross-linked polyolefin insulation. JB/T 10491-2022.

Cross section (mm²)	Conductor class	Outside diameter (mm)	20°C resistance (Ω/km)	70°C insulation resistance (MΩ·km)	Catalogue ampacity (A)	Reference mass (kg/km)
1	2	3.1	18.1	0.01	14	17
1.5	2	3.4	12.1	0.01	21	23
2.5	2	4.1	7.41	0.01	33	35
4	2	4.8	4.61	0.0079	48	52
6	2	5.3	3.08	0.0068	68	72
10	2	7.3	1.83	0.0066	114	124
16	2	8.6	1.15	0.0054	171	182
25	2	10.2	0.727	0.0051	266	292
35	2	11.7	0.524	0.0043	365	381

RV

Flexible copper PVC-insulated wire, 60227 IEC 02/06 (RV), including ZC variants. GB/T 5023.3-2008 / IEC 60227-3:1997.

Cross section (mm²)	Conductor class	Outside diameter (mm)	20°C resistance (Ω/km)	70°C insulation resistance (MΩ·km)	Catalogue ampacity (A)	Reference mass (kg/km)
0.75	5	2.3	26	0.014	14	12
1	5	2.5	19.5	0.011	16	15
1.5	5	3	13.3	0.01	21	21
2.5	5	3.9	7.89	0.009	25	34
4	5	4.6	4.95	0.007	38	50
6	5	5.3	3.3	0.006	49	71
10	5	6.8	1.91	0.0056	68	118
16	5	7.9	1.21	0.0046	91	176
25	5	9.8	0.78	0.0044	120	275
35	5	11	0.554	0.0038	150	366
50	5	13.7	0.386	0.0037	180	538
70	5	15.7	0.272	0.0032	230	735
95	5	18.3	0.206	0.0032	290	921
120	5	20.3	0.161	0.0029	335	1158
150	5	23.2	0.129	0.0029	390	1447
185	5	25.1	0.106	0.0029	450	1766
240	5	34.7	0.0801	0.0028	545	2360

RVS

Twisted flexible copper PVC-insulated wire, 300/300 V. JB/T 8734.3-2016; ZC-RVS additionally follows GB/T 19666-2019.

Cross section (mm²)	Conductor class	Outside diameter (mm)	20°C resistance (Ω/km)	70°C insulation resistance (MΩ·km)	Catalogue ampacity (A)	Reference mass (kg/km)
2×0.75	6	5.72	26	0.013	12	22
2×1.0	6	6.2	19.5	0.012	14	30
2×1.5	6	6.86	13.3	0.009	18	37
2×2.5	6	8.26	7.89	0.009	25	48
2×4.0	6	9.3	4.95	0.007	33	71
2×6.0	6	11.9	3.3	0.006	42	105

BV / BVR

BV

PVC insulated copper wire, 60227 IEC 01/05 (BV), including ZC versions. GB/T 5023.3-2008 / IEC 60227-3:1997; ZC additionally GB/T 19666-2019.

Cross section (mm²)	Conductor class	Outside diameter (mm)	20°C resistance (Ω/km)	70°C insulation resistance (MΩ·km)	Catalogue ampacity (A)	Standard/ZR mass (kg/km)	NH mass (kg/km)
0.75	1	2.2	24.5	0.012	14	11	15
0.75	2	2.3	24.5	0.014	14	11	15
1	1	2.3	18.1	0.011	16	14	18
1	2	2.5	18.1	0.013	16	14	18
1.5	1	2.8	12.1	0.011	21	20	25
1.5	2	3	12.1	0.01	21	20	25
2.5	1	3.4	7.41	0.01	25	32	37
2.5	2	3.6	7.41	0.009	25	32	37
4	1	3.9	4.61	0.0085	38	46	53
4	2	4.1	4.61	0.0077	38	46	53
6	1	4.4	3.08	0.007	49	66	74
6	2	4.7	3.08	0.0065	49	66	74
10	2	6	1.83	0.0065	68	115	117
16	2	7.1	1.15	0.005	91	173	174
25	2	8.8	0.727	0.005	120	269	269
35	2	9.9	0.524	0.004	150	370	368
50	2	11.7	0.387	0.0045	180	493	489
70	2	13.4	0.268	0.0035	230	694	687
95	2	15.7	0.193	0.0035	290	959	948
120	2	17.3	0.153	0.0032	335	1182	1174
150	2	19.2	0.124	0.0032	390	1453	1432
185	2	21.4	0.0991	0.0032	450	1820	1795
240	2	24.5	0.0754	0.0032	545	2373	2351
300	2	27.2	0.0601	0.003	630	2966	2926
400	2	30.7	0.047	0.0028	735	3785	3736

BVR

Flexible copper PVC-insulated wire, 450/750 V, JB/T 8734.2-2016; ZC-BVR additionally GB/T 19666-2019.

Cross section (mm²)	Outside diameter (mm)	20°C resistance (Ω/km)	70°C insulation resistance (MΩ·km)	Catalogue ampacity (A)	Standard/ZR mass (kg/km)
0.75	2.5	24.5	0.013	14	15.2
1	2.7	18.1	0.012	16	15.8
1.5	3	12.1	0.011	21	21.1
2.5	3.7	7.41	0.011	25	33.6
4	4.2	4.61	0.009	38	49.6
6	4.8	3.08	0.0084	49	70.6
10	6.7	1.83	0.0072	68	121.9
16	7.8	1.15	0.0062	91	175.7
25	10.1	0.727	0.0058	120	287.3
35	11.1	0.524	0.0052	150	377.4
50	13	0.387	0.0051	180	518.4
70	15.4	0.268	0.0045	230	719.7
95	17.5	0.193	0.0044	290	961.9
120	19.2	0.153	0.004	335	1187.4
150	21.7	0.124	0.004	390	1463.6
185	24	0.0991	0.004	450	1830.7

Electrical wires

Copper and aluminium conductors, PVC insulation, round or flat sheath, rigid and flexible versions. Flame-retardant ZC and fire-resistant ZCN variants are listed separately.

Model / variant	Rated voltage
60227IEC01 (BV)	450/750 V
60227IEC05 (BV)	300/500 V
60227IEC07 (BV-90)	300/500 V
BVV	300/500 V
BLV	450/750 V
BVR	450/750 V
BLVV	300/500 V
BVVB	300/500 V
BLVVB	300/500 V
60227IEC02 (RV)	450/750 V
60227IEC06 (RV)	300/500 V
60227IEC08 (RV-90)	300/500 V
60227IEC52 (RVV)	300/300 V
60227IEC53 (RVV)	300/500 V
RVVP	300/300 V
RVS	300/300 V
ZC-BV / ZR-BV	450/750 V
ZCN-BV / NH-BV	450/750 V

Continuous conductor temperature: 70°C for standard products; 90°C for BV-90 and RV-90. Installation ambient temperature at least 0°C. BV and BVR bending radius: at least 4D when outside diameter is no more than 25 mm, otherwise 6D.

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