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Low Voltage Cables

450 / 750V Single Core
LSZH Insulated, Non Sheathed,
Flame Retardant Cable

•   Detailed Specification

Conductor		Insulation	Cable Overall Diameter	Approx. Weight
Nominal Area	No./Dia. of Strand	Thickness
mm2	No./mm	mm	mm	kg/km
1.5	7/0.53	0.7	3.1	23
2.5	7/0.67	0.8	3.7	35
4	7/0.85	0.8	4.3	52
6	7/1.04	0.8	4.8	73
10	7/1.35	1.0	6.2	120
16	7/1.70	1.0	7.2	180
25	7/2.24	1.2	9.0	285
35	19/1.53	1.2	10.2	375
50	19/1.78	1.4	12.0	510
70	19/2.14	1.4	14.0	720
95	19/2.52	1.6	16.0	995
120	37/2.03	1.6	18.0	1230
150	37/2.25	1.8	20.0	1520
185	37/2.52	2.0	22.0	1900
240	61/2.25	2.2	25.0	2480
300	61/2.52	2.4	28.0	3100
400	61.2.85	2.6	31.5	3950
500	61/3.20	2.8	35.0	4950
630	127/2.52	2.8	39.0	6360

•   Current Rating and Voltage Drop

Single-Core Cables with XLPE (or LSZH) Insulation, with or without PVC (or LSZH) Outsheath 450/750V or 600/1000V
Current-Carrying Capacities (Amp)

Conductor Operating Temperature : 90°C	BS 7211
Ambient Temperature : 30°C	IEC60502-1




Conductor cross-sectional area	Reference Method 4 (enclosed in conduit in thermally insulating wall etc)		Reference Method 3 (enclosed in conduit on a wall or in trunking etc)		Reference Method 1 (clipped direct)		Reference Method 11 (on a perforated cable tray, horizontal or vertical)		Reference Method 12 (free air)
									Horizontal flat spaced	Vertical flat spaced	Trefoil
	2 cables, single-phase a.c. or d.c.	3 or 4 cables, 3-phase a.c.	2 cables, single-phase a.c. or d.c	3 or 4 cables, 3-phase a.c.	2 cables, single-phase a.c. or d.c. flat and touching	3 or 4 cables, 3-phase a.c. flat and touching or trefoil	2 cables, single-phase a.c. or d.c. or flat and touching	3 or 4 cables, 3-phase a.c. flat and touching or trefoil	2 cables, single-phase a.c. or d.c. or 3 cables three phase	2 cables, single-phase a.c. or d.c. or 3 cables three phase	3 cables, trefoil 3-phase a.c.
1	2	3	4	5	6	7	8	9	10	11	12
mm2	A	A	A	A	A	A	A	A	A	A	A
1.5	18	17	22	19	25	23	-	-	-	-	-
2.5	24	23	30	26	34	31	-	-	-	-	-
4	33	30	40	35	46	41	-	-	-	-	-
6	43	39	51	45	59	54	-	-	-	-	-
10	58	53	71	63	81	74	-	-	-	-	-
16	76	70	95	85	109	99	-	-	-	-	-
25	100	91	126	111	143	130	158	140	183	163	138
35	125	111	156	138	176	161	195	176	226	203	171
50	149	135	189	168	228	209	293	215	274	246	209
70	189	170	240	214	293	268	308	279	351	318	270
95	228	205	290	259	355	326	375	341	426	389	330
120	263	235	336	299	413	379	436	398	495	453	385
150	300	270	375	328	476	436	505	461	570	524	445
185	341	306	426	370	545	500	579	530	651	600	511
240	400	358	500	433	644	590	686	630	769	711	606
300	459	410	573	493	743	681	794	730	886	824	701
400	-	-	684	584	868	793	915	849	1065	994	820
500	-	-	783	666	990	904	1044	973	1228	1150	936
630	-	-	900	764	1130	1033	1191	1115	1423	1338	1069
800	-	-	-	-	1288	1179	1358	1275	1580	1485	1214
1000	-	-	-	-	1443	1323	1520	1436	1775	1671	1349





Voltage Drop (Per Amp Per Meter) [CU/LSZH; CU/XLPE/PVC; CU/XLPE/LSZH or CU/LSZH/LSZH cables]

Conductor Operating Temperature : 90°C	BS 7211
Ambient Temperature : 30°C	IEC60502-1




Size of conductor	2 cables d.c.	2 cables, single-phase a.c.						3 or 4 cables, 3-phase a.c.
		Ref. Methods 3 and 4 (enclosed in conduit etc, in or on a wall)			Ref. Methods 1 and 11 (clipped direct or on trays touching)			Ref. Methods 3 and 4 (enclosed in conduit etc, in or on a wall)			Ref. Methods 1, 11 and 12 (in trefoil)			Ref. Methods 1 and 11 (Flat and touching)
1	2	3			4			5			6			7
mm2	mV/A/m	mV/A/m			mV/A/m			mV/A/m			mV/A/m			mV/A/m
1.5	31		31			27			27			27			27
2.5	19		19			16			16			16			16
4	33		12			10			10			10			10
6	7.8		7.9			6.8			6.8			6.8			6.8
10	4.7		4.7			4.7			4			4			4
16	2.9		2.9			2.9			2.5			2.5			2.5
		r	x	z	r	x	z	r	x	z	r	x	z	r	x	z
25	1.85	1.85	0.31	1.90	1.85	0.190	1.85	1.60	0.27	1.65	1.600	0.165	1.600	1.600	0.190	1.600
35	1.35	1.35	0.29	1.35	1.35	0.180	1.35	1.15	0.25	1.15	1.150	0.155	1.50	1.150	0.180	1.150
50	0.99	1.00	0.29	1.05	0.99	0.180	1.00	0.87	0.25	0.90	0.860	0.155	0.870	0.860	0.180	0.870
70	0.68	0.70	0.28	0.75	0.68	0.175	0.71	0.60	0.24	0.65	0.590	0.150	0.610	0.590	0.175	0.620
95	0.49	0.51	0.27	0.58	0.49	0.170	0.52	0.44	0.23	0.50	0.430	0.145	0.450	0.430	0.170	0.460
120	0.39	0.41	0.26	0.48	0.39	0.165	0.43	0.35	0.23	0.42	0.340	0.140	0.370	0.340	0.165	0.380
150	0.32	0.33	0.26	0.43	0.32	0.165	0.36	0.29	0.23	0.37	0.280	0.140	0.310	0.280	0.165	0.320
185	0.25	0.27	0.26	0.37	0.26	0.165	0.30	0.23	0.23	0.32	0.220	0.140	0.260	0.220	0.165	0.280
240	0.19	0.21	0.26	0.33	0.20	0.160	0.25	0.185	0.22	0.29	0.170	0.140	0.220	0.170	0.165	0.240
300	0.155	0.175	0.25	0.31	0.16	0.160	0.22	0.150	0.22	0.27	0.140	0.140	0.195	0.135	0.160	0.210
400	0.12	0.140	0.25	0.29	0.13	0.155	0.20	0.125	0.22	0.25	0.110	0.135	0.175	0.110	0.160	0.195
500	0.093	0.120	0.25	0.28	0.105	0.155	0.185	0.100	0.22	0.24	0.090	0.135	0.160	0.088	0.160	0.180
630	0.072	0.100	0.25	0.27	0.086	0.155	0.175	0.088	0.21	0.23	0.074	0.135	0.150	0.071	0.160	0.170
800	0.056	-	-	-	0.072	0.150	0.170	-	-	-	0.062	0.130	0.145	0.059	0.155	0.165
1000	0.045	-	-	-	0.063	0.150	0.165	-	-	-	0.055	0.130	0.140	0.050	0.155	0.165




Note :
r = conductor resistance at operating temperature
x = reactance
z = impedance

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