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Concentric Cable Copper Conductor

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OVERVIEW

SPECIFICATION

CONSTRUCTION

PARAMETERS

Application：Concentric cables are commonly used for power distribution network, ammeter panel, instrument or circuit panel, which can be laid directly underground or outdoors and even applicable in dry and wet conditions.

Standard：

IEC60502-1, BS7870, ASTMD2655,ASTMB556, ASTMB193, ASTMB8, UL44, UL1581, UL854

Rated Voltage:0.6/1kV

Maximal short-circuit temperature：+250 ℃

Minimum installation temperature： -20℃

Max. conductor temp.in service:XLPE-90 ℃ ,PVC-70 ℃

Outer sheath-- UV resistant

· Conductor: Class 2 copper conductor

· Insulation: XLPE /PVC insulation

· Concentric layer: Copper wires

· Cable wrapping tape: Non-absorbent material

· Cable sheath: PVC (XLPE/PE) sheath

Tow conductor type concentric cable (Coverage＜100%)
Nominal cross-section		Strands number of conductor	Insulation nominal thickness	Concentric conductor		Jacket nominal thickness	Approx. overall dia.	Approx. weight.	Max.DC resistance at 20℃
				Min. single wire dia.	Max. wire number
mm²	AWG	No.s	mm	mm	No.s	mm	mm	kg/km	Ω/KM
5.26	10	7	1.14	0.51	96	1.14	15.3x10.1	262	3.476
8.37	8	7	1.52	0.51	96	1.52	19.2x12.5	411	2.186
13.3	6	7	1.52	0.51	96	1.52	21.2x13.5	574	1.375
21.15	4	7	1.52	0.51	96	2.03	25.0x16.0	856	0.8649
26.67	3	7	1.52	0.51	96	2.03	26.6x17.0	1030	0.686
33.62	2	7	1.52	0.51	96	2.03	28.4x17.9	1247	0.544

Two conductor type(flat) concentric cable (Coverage＜100%)
Nominal cross-section		Strands number of conductor	Insulation nominal thickness	Concentric conductor		Jacket nominal thickness	Approx. overall dia.	Approx. weight.	DC resistance at 20℃
				Min.single wire dia.	Max.wire number
mm2	AWG	No.s	mm	mm	No.s	mm	mm	kg/km	Ω/KM
2.08	14	7	1.14	0.51	96	1.14	13.3x9.1	154	8.78
2.63	13	7	1.14	0.51	96	1.14	13.7x9.3	173	6.97
3.31	12	7	1.14	0.51	96	1.14	14.1x9.5	196	5.53
4.17	11	7	1.14	0.51	96	1.14	14.6x9.8	226	4.39
5.26	10	7	1.14	0.51	96	1.14	15.3x10.1	262	3.476
6.63	9	7	1.14	0.51	96	1.52	18.4x12.0	351	2.758
8.37	8	7	1.14	0.51	96	1.52	19.2x12.5	411	2.186
10.55	7	7	1.52	0.51	96	1.52	20.2x13.0	485	1.734
13.3	6	7	1.52	0.51	96	1.52	21.2x13.5	574	1.375
16.77	5	7	1.52	0.51	96	2.03	23.6x15.3	718	1.091
21.15	4	7	1.52	0.51	96	2.03	25.0x16.0	856	0.8649
26.67	3	7	1.52	0.51	96	2.03	26.6x17.0	1030	0.686
33.62	2	7	1.52	0.51	96	2.03	28.4x17.9	1247	0.544
42.41	1	19	2.03	0.51	96	2.03	32.9x20.3	1589	0.4313
53.49	1/0	19	2.03	0.51	96	2.03	35.1x21.6	1929	0.3419
67.43	2/0	19	2.03	0.51	96	2.03	37.8x23.1	2358	0.2712
85.01	3/0	19	2.03	0.51	96	2.03	40.7x24.7	2888	0.2151
107.2	4/0	19	2.03	0.51	96	2.03	44.0x26.5	3551	0.1705

Core and nominal cross section	Conductor		Insulation thickness	Concentric conductor		Thickness of cable shield	.	Weight of cable/km	Max DC resistance of conductor (20℃)
mm²	Number	Diameter mm	mm	Number	Diameter mm	mm	mm	kg/km	Ω/km ()	Ω/km (Concentric)
Copper conductor (IEC standard)
2X10	7	1.35	1.55	20	0.85	1.40	11.80	290	1.83	1.90
2X16	7	1.70	1.55	32	0.85	1.40	12.84	420	1.15	1.20
2X25	7	2.14	1.60	29	1.13	1.50	15.02	630	0.727	0.76
2X35	19	1.53	1.65	27	1.35	1.60	17.00	832	0.524	0.55

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