N2XSH / N2XSEH 12/20 (24)kV Cable

Overview

Parameter Inquiry

Overview

APPLICATION

UV resistant Medium voltage cables for distribution networks; also for connection to generation units and plant and process connection. LSZH outer sheath allows internal and external installation including directly in ground and in cable ducts.

CHARACTERISTICS

Voltage Rating Uo/U (Um) 12/20 (24)kV

Temperature Rating

-15ºC to +90ºC

Permissible short-circuit temperature up to 5 sec: +250°C

Minimum Bending Radius

15 x overall diameter

CONSTRUCTION

Conductor：Class 2 Stranded Copper

Inner Semi-Conductive Layer： Semi-conductive Material

Insulation： XLPE (Cross-Linked Polyethylene)

Outer Semi-Conductive Layer： Semi-conductive Material

Screen： Copper Wires and Copper Tape

Sheath： LSZH (Low Smoke Zero Halogen)

Parameter

DIMENSIONS

ELECTRICAL CHARACTERISTICS
Single Core

ELECTRICAL CHARACTERISTICS
Multi Core

DIMENSIONS
NO. OF CORES	NOMINAL CROSS SECTIONAL AREA mm²		NOMINAL OVERALL DIAMETER mm	NOMINAL WEIGHT kg/km
	Conductor	Copper Wire Screen
1	35	16	27	1000
1	50	16	28	1200
1	70	16	30	1400
1	95	16	32	1700
1	120	16	33	1900
1	150	25	35	2300
1	185	25	36	2750
1	240	25	38	3300
1	300	25	41	4000
1	400	35	43	4800
1	500	35	46	6000
1	630	35	51	7300
3	35	16	52	3300
3	50	16	55	3900
3	70	16	60	4800
3	95	16	63	5800
3	120	16	66	6700
3	150	25	70	8000
3	185	25	73	9200
3	240	25	80	11300
3	300	25	84	13500
3	400	35	90	16500

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ELECTRICAL CHARACTERISTICS Single Core
NOMINAL CROSS SECTIONAL AREA OF CONDUCTOR mm²	NOMINAL SHORT-CIRCUIT CURRENT FOR 1 SECOND OF CONDUCTOR kA	CONDUCTOR DC RESITANCE AT 20ºC Ohm/km	CONDUCTOR AC RESISTANCE BY MAX. TEMPERATURE Ohm/km	CURRENT CARRYING CAPACITY A		CONDUCTOR LOSSES IN THE GROUND kW/km
				In Ground at 20ºC	In Air at 30ºC
35	5.01	0.524	0.670	213	233	30.40
50	7.15	0.387	0.497	250	279	31.06
70	10.01	0.268	0.344	304	347	31.79
95	13.59	0.193	0.248	361	420	32.32
120	17.16	0.153	0.196	407	483	32.47
150	21.45	0.124	0.160	445	540	31.68
185	26.46	0.099	0.128	498	614	31.74
240	34.32	0.0754	0.0980	569	718	31.73
300	42.90	0.0601	0.0800	633	813	32.06
400	57.20	0.0470	0.0640	686	904	30.12
500	71.50	0.0366	0.0510	756	1011	29.15
630	90.09	0.0283	0.0420	848	1160	30.20

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ELECTRICAL CHARACTERISTICS Multi Core
NOMINAL CROSS SECTIONAL AREA OF CONDUCTOR mm²	NOMINAL SHORT-CIRCUIT CURRENT FOR 1 SECOND OF CONDUCTOR kA	CONDUCTOR DC RESITANCE AT 20ºC Ohm/km	CONDUCTOR AC RESISTANCE BY MAX. TEMPERATURE Ohm/km	CURRENT CARRYING CAPACITY A		CONDUCTOR LOSSES IN THE GROUND kW/km
				In Ground at 20ºC	In Air at 30ºC
35	5.01	0.524	0.670	178	173	63.68
50	7.15	0.387	0.497	210	206	65.75
70	10.01	0.286	0.344	256	257	67.63
95	13.59	0.193	0.248	307	313	70.12
120	17.16	0.153	0.196	349	360	71.62
150	21.45	0.124	0.160	392	410	73.76
185	26.46	0.099	0.128	443	469	75.36
240	34.32	0.0754	0.0980	513	553	77.37
300	42.90	0.0601	0.0800	576	635	79.63
400	57.20	0.0470	0.0640	650	731	81.12
Air ambient temperature: 30ºC Ground ambient temperature: 20ºC Conductor operating temperature: 90ºC Depth of duct: 0.7m Soil thermal resistivity: 1km/W

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N2XSH / N2XSEH 12/20 (24)kV Cable

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