NA2XSY Single Core Cable

Applications

● Indoors and in cable ducts

● Outdoors,underground

● In power supply stations

● Transformer stations

● Industrial Plants

Due to the good laying characteristic, this cable can also be installed in difficult line guideways.

The inner conducting layer between the conductor and the XLPE insulation and the firmly bonded outer conducting layer on the XLPE insulation assures a construction free of partial discharges with high operational reliabilities.

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Details

Overview

AL/XLPE/CTS/PVC Cable

The NA2XSY （medium voltage）has a single core aluminium stranded class 2 conductor with cross-linked polyethylene (XLPE) insulation, copper tape metallic screen, and polyvinyl chloride (PVC) oversheath. NA2XSY cable is widely used in internal/external power distribution networks,external where it's either direct buried or installed into cable ducting, but also it can be run and terminated inside a building as the NA2XSY cable is flame retardant.

The NA2XSY provides long-term operational reliability due to a low dielectric loss factor and excellent insulation property of XLPE, which makes it widely used in transformer stations, electric power plants and industrial plants. Nevertheless, it should be used in fixed installations to avoid mechanical or tensile strain.

Construction

NA2XSY Single Core Cable

Descriptions：NA2XSY Single Core MV Power Cable

Conductor：Aluminum, Class2，Circular compacted conductors

Conductor Screen: Non-metallic,semi-conducting compound

Insulation: Cross-linked polyethylene XLPE

Insulation Screen: Non-metallic,semi-conducting compound

Metallic Screen: Copper Tape

Outer Sheath: Polyvinyl Chloride PVC&Polyethylene PE&LSZH

Physical Properties

Operating Temperature: up to 70℃（PVC insulation); up to 90℃(XLPE insulation)

Temperature Range: -5℃（PVC or LSZH sheath); -20℃（PE sheath)

Short Circuit Temperature(5 seconds maximum duration): 140℃-160℃（PVC insulation);250℃（XLPE insulation)

Nominal Voltages：U0/U 6/10 kV, 12/20 kV, 18/30 kV

Technical Data

Single Core Cable（NA2XSY)-6/10KV
No. of cores and nominal cross section	Thickness of Insulation	Thickness of sheath	Approx. Overall Diameter	Approx. Weight	Max. DC Resistance of conductor(20℃)	Current Carrying Capacity
mm2	mm	mm	mm	kg/km	Ω/km	in air(A)	in ground(A)
1x16	3.4	1.8	18.5	390	1.91	85	115
1x25	3.4	1.8	19.5	442	1.2	130	145
1x35	3.4	1.8	20.5	496	0.868	160	175
1x50	3.4	1.8	21.8	564	0.641	190	210
1x70	3.4	1.8	23.5	667	0.443	240	260
1x95	3.4	1.8	25.1	781	0.32	295	315
1x120	3.4	1.8	26.5	885	0.253	340	360
1x150	3.4	1.8	28.0	997	0.206	385	405
1x185	3.4	1.9	29.9	1158	0.164	440	455
1x240	3.4	2.0	32.3	1385	0.125	530	535
1x300	3.4	2.0	34.5	1608	0.100	605	605
1x400	3.4	2.1	37.7	1932	0.0778	715	705
1x500	3.4	2.2	40.8	2330	0.0605	835	805
1x630	3.4	2.3	44.8	2838	0.0469	930	920
Single Core Cable（NA2XSY)-8.7/15KV
No. of cores and nominal cross section	Thickness of Insulation	Thickness of sheath	Approx. Overall Diameter	Approx. Weight	Max. DC Resistance of conductor(20℃)	Current Carrying Capacity
mm2	mm	mm	mm	kg/km	Ω/km	in air(A)	in ground(A)
1x25	4.5	1.8	21.7	525	1.2	130	145
1x35	4.5	1.8	22.7	582	0.868	160	175
1x50	4.5	1.8	24.0	655	0.641	190	210
1x70	4.5	1.8	25.7	763	0.443	240	260
1x95	4.5	1.8	27.3	882	0.32	295	315
1x120	4.5	1.9	28.9	1004	0.253	340	360
1x150	4.5	1.9	30.4	1122	0.206	385	405
1x185	4.5	2.0	32.3	1290	0.164	440	455
1x240	4.5	2.0	34.5	1511	0.125	530	535
1x300	4.5	2.1	36.9	1757	0.100	605	605
1x400	4.5	2.2	40.1	2094	0.0778	715	705
1x500	4.5	2.3	43.2	2504	0.0605	835	805
1x630	4.5	2.4	47.2	3027	0.0469	930	920
Single Core Cable（NA2XSY)-12/20KV
No. of cores and nominal cross section	Thickness of Insulation	Thickness of sheath	Approx. Overall Diameter	Approx. Weight	Max. DC Resistance of conductor(20℃)	Current Carrying Capacity
mm2	mm	mm	mm	kg/km	Ω/km	in air(A)	in ground(A)
1x35	5.5	1.8	25.46	675	0.868	115	175
1x50	5.5	1.8	26.76	764	0.641	140	210
1x70	5.5	1.8	28.46	877	0.443	170	255
1x95	5.5	1.9	30.26	1013	0.32	205	310
1x120	5.5	2.0	31.66	1130	0.253	240	345
1x150	5.5	2.0	33.5	1282	0.206	270	400
1x185	5.5	2.1	35.06	1434	0.164	310	455
1x240	5.5	2.1	37.66	1685	0.125	360	530
1x300	5.5	2.2	39.86	1938	0.100	420	605
1x400	5.5	2.3	43.26	2346	0.0778	485	700
1x500	5.5	2.4	47.14	2802	0.0605	535	795
Single Core Cable（NA2XSY)-18/30KV,19/33KV
No. of cores and nominal cross section	Thickness of Insulation	Thickness of sheath	Approx. Overall Diameter	Approx. Weight	Max. DC Resistance of conductor(20℃)	Current Carrying Capacity
mm2	mm	mm	mm	kg/km	Ω/km	in air(A)	in ground(A)
1x35	8.0	1.9	30.1	923	0.868	185	134
1x50	8.0	2.0	31.3	1009	0.641	222	157
1x70	8.0	2.0	33.2	1149	0.443	278	192
1x95	8.0	2.1	35	1301	0.32	338	229
1x120	8.0	2.1	36.4	1430	0.253	391	260
1x150	8.0	2.2	37.9	1573	0.206	440	288
1x185	8.0	2.2	39.7	1744	0.164	504	324
1x240	8.0	2.3	42.3	2012	0.125	593	373
1x300	8.0	2.4	44.6	2281	0.100	677	419
1x400	8.0	2.5	47.5	2647	0.0778	769	466
1x500	8.0	2.6	50.9	3101	0.0605	872	573