series XFj U

Nominal cross-section (mm²)	Electrical resistance in D.C. at 20°C (Ohm/km)	Electrical resistance in C.C. at 90°C (Ohm/km)	Inductive reactance at 50Hz (Ohm/Km)
			1 Conductor (1)	1 Conductor (2)	1 Conductor (3)	Multiconductor (4)	4 Conductors (5)
								1	19.5	24.86	0.169	0.212	0.154	0.111	0.119
1.5	13.3	16.96	0.159	0.202	0.144	0.104	0.112
2.5	7.98	10.18	0.147	0.191	0.133	0.097	0.104
4	4.95	6.31	0.142	0.186	0.128	0.097	0.104
6	3.3	4.21	0.133	0.176	0.118	0.091	0.098
10	1.91	2.44	0.122	0.166	0.108	0.084	0.092
16	1.21	1.54	0.116	0.159	0.101	0.080	0.088
25	0.78	0.99	0.112	0.156	0.097	0.080	0.087
35	0.554	0.707	0.108	0.152	0.093	0.078	0.085
50	0.386	0.493	0.105	0.149	0.091	0.077	0.085
70	0.272	0.348	0.101	0.144	0.086	0.074	0.082
95	0.206	0.264	0.099	0.143	0.085	0.074	0.081
120	0.161	0.207	0.097	0.141	0.083	0.072	0.080
150	0.129	0.167	0.096	0.140	0.082	0.072	0.080
185	0.106	0.138	0.096	0.140	0.082	0.072	0.080
240	0.0801	0.106	0.095	0.138	0.080	0.072	0.079
300	0.0641	0.0860	0.094	0.137	0.079	0.071	0.079
400	0.0486	0.0675	0.093	0.136	0.078	--	--
500	0.0384	0.0557	0.092	0.135	0.077	--	--
630	0.0287	0.0451	0.090	0.134	0.076	--	--

(1) Three single conductor cables displayed in flat, in contact with each other. (2) Three single conductor cables displayed in flat, separated by 1 diameter between each other. (3) Three single-conductor cables displayed in a trefoil in contact with each other. (4) Calculation of Inductive reactance valid for two-conductor and three conductor cables. (5) Calculation of Inductive reactance valid for four-conductor cables.

Nominal cross-section (mm²)	Current-carrying capacity of cables in free air at 40°C as per IEC 364-5-523.Single-conductors cable up to 16mm² in contact with each other, displayed in unperforated trays, remaining cross-sections, single-conductors displays and formations in cable ladder or perforated cable trays (Ampere)					Current-carrying capacity of cables directly buried at 25°C soil temperature and soil thermal resistance of 1 km/W as per IEC 364-5-523 (Ampere)
	1 Conductor (1)	1 Conductor (2)	1 Conductor (3)	2 Conductors	Multiconductor (4)	1 Conductor (1)	1 Conductor (2)	2 Conductors	Multiconductor (4)
										1	--	--	--	--	--	--	--	--	--
1.5	19	--	--	23	20	28	29	28	24
2.5	26	--	--	31	28	37	40	37	32
4	34	--	--	43	36	48	51	48	42
6	45	--	--	54	47	60	64	62	52
10	62	--	--	74	65	80	85	84	70
16	83	--	--	100	86	103	110	106	90
25	122	158	117	128	109	133	142	137	117
35	152	196	146	160	137	160	171	164	140
50	187	238	179	195	166	186	199	197	164
70	241	305	232	250	213	230	246	241	200
95	295	371	283	304	257	276	295	291	241
120	346	432	332	354	299	314	335	333	276
150	401	499	384	409	345	352	376	373	309
185	461	572	441	468	394	398	426	423	351
240	548	675	524	554	465	464	496	493	407
300	637	780	608	640	537	525	562	558	460
400	751	938	712	--	--	600	642	--	--
500	863	1083	818	--	--	695	744	--	--
630	995	1257	941	--	--	796	852	--	--

(1) Tres cables unipolares dispuestos en un plano en contacto entre sí. (2) Tres cables unipolares dispuestos en un plano separados un diámetro entre sí. (3) Tres cables unipolares dispuestos en trébol en contacto entre sí. (4) Estos valores de Intensidad admisible informados corresponden a cables tripolares y tetrapolares.