NA2XSRY Single Core Medium Voltage Power Cable

Applications

NA2XSRY(AL/XLPE/SWA/PVC) is a single core aluminium medium voltage cable with cross-linked polyethylene (XLPE) insulation, steel wire armouring, and a polyvinyl chloride (PVC) oversheath. These armoured cables can withstand twisting, crushing, impacts, temperature extremes, moisture, chemical hazards, and more. They're suitable for use in a range of environments, widely used in the construction and power distribution industries. NA2XSRY cables are mainly used for:

● Intdoors and in cable ducts

● Outdoors,underground

● Switch-boards and power stations

● Transformer stations

● Industrial Plants

NA2XSRY cable is suitable when mechanical protection is required or in applications where low mechanical damages are expected to occur.

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Details

Overview

AL/XLPE/SWA/PVC Cable

Other than for its aluminium conductor, the NA2XSRY shares the same cable construction as its copper variant, the N2XSRY cable and are manufactured in accordance with IEC 60502-2 and DIN EN 60228. NA2XSRY is a cost-efficient alternative to its copper variant on installations where space is not an issue due to the larger overall diameter of aluminium cables. NA2XSRY cable voltages rating is 6/10kV, 12/20kV, or 18/30kV.

Construction

NA2XSRY Single Core Medium Voltage Power Cable

Descriptions：NA2XSRY Single Core Steel wire armoured 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

Inner Sheathing: Non-metallic,semi-conducting compound

Armouring: Non-magnetic Steel Wire Armour

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（NA2XSRY)-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)
1x70	3.4	1.9	31	1160	0.443	213	175
1x95	3.4	1.9	32	1320	0.32	258	208
1x120	3.4	2.0	34	1470	0.253	294	235
1x150	3.4	2.1	36	1670	0.206	329	260
1x185	3.4	2.1	38	1840	0.164	373	291
1x240	3.4	2.2	40	2140	0.125	432	332
1x300	3.4	2.2	42	2410	0.1000	486	369
1x400	3.4	2.4	46	2890	0.0778	547	408
1x500	3.4	2.5	51	3540	0.0605	611	451
1x630	3.4	2.6	55	4130	0.0469	675	494
Single Core Cable（NA2XSRY)-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)
1x70	4.5	2.0	33	1300	0.443	213	175
1x95	4.5	2.0	35	1520	0.32	258	208
1x120	4.5	2.1	37	1680	0.253	294	235
1x150	4.5	2.1	38	1830	0.206	329	260
1x185	4.5	2.2	40	2020	0.164	373	291
1x240	4.5	2.3	43	2330	0.125	432	332
1x300	4.5	2.3	45	2610	0.1000	486	369
1x400	4.5	2.5	51	3280	0.0778	547	408
1x500	4.5	2.6	54	3800	0.0605	611	451
1x630	4.5	2.7	58	4390	0.0469	675	494
Single Core Cable（NA2XSRY)-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)
1x70	5.5	2.0	35	1480	0.443	213	175
1x95	5.5	2.1	37	1680	0.32	258	208
1x120	5.5	2.1	39	1820	0.253	294	235
1x150	5.5	2.2	40	2000	0.206	329	260
1x185	5.5	2.2	42	2180	0.164	373	291
1x240	5.5	2.3	45	2500	0.125	432	332
1x300	5.5	2.4	48	2970	0.1000	486	369
1x400	5.5	2.5	53	3480	0.0778	547	408
1x500	5.5	2.6	56	4000	0.0605	611	451
1x630	5.5	2.8	60	4630	0.0469	675	494
Single Core Cable（NA2XSRY)-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)
1x70	8.0	2.2	41	1900	0.443	213	175
1x95	8.0	2.3	43	2100	0.32	258	208
1x120	8.0	2.3	44	2260	0.253	294	235
1x150	8.0	2.4	47	2600	0.206	329	260
1x185	8.0	2.5	49	2830	0.164	373	291
1x240	8.0	2.5	51	3160	0.125	432	332
1x300	8.0	2.6	54	3530	0.1000	486	369
1x400	8.0	2.7	58	4080	0.0778	547	408
1x500	8.0	2.8	62	4650	0.0605	611	451
1x630	8.0	2.9	65	5280	0.0469	675	494