600/1000V XLPE Insulated, LSZH Sheathed Power Cables to BS 8573 (Single Core)

FTX300 1RZ1-R (CU/XLPE/LSZH 600/1000V Class 2)

Application

These XLPE insulated and LSZH sheathed cables are generally used for fixed installation. Suitable for building wiring, especially in areas where smoke and fume emissions may cause a potential threat to life but not for burial in the ground, either directly or in ducts. This product type is TUV approved.

Standards

Basic design to BS 8573:2012

Fire Performance

Flame Retardance (Single Vertical Wire Test)	EN 60332-1-2; IEC 60332-1-2
Reduced Fire Propagation (Vertically-mounted bundled wires & cable test)	EN 60332-3-24 ; IEC 60332-3-24
Halogen Free	IEC 60754-1; EN 50267-2-1
No Corrosive Gas Emission	IEC 60754-2; EN 50267-2-2
Minimum Smoke Emission	IEC 61034-2; EN 61034 -2

Voltage Rating

600/1000V

Cable Construction

Conductor: Plain annealed copper wire, stranded according to EN 60228 class 2.
Insulation: XLPE type GP8 according to BS 7655-1.3. HEPR type GP6 according to BS 7655-1.2 or crosslinked polyolefin material type EI 5 according to BS EN 50363-5 can be offered as option.
Inner Covering Option: The optional inner covering, where used, shall consist of an extruded layer of synthetic polymeric material. It shall surround the single core and the laid-up two, three, four or five cores,giving the assembly a practically circular shape.
Outer Sheath: Extruded layer of polymeric material LTS 4 according to BS 7655-6.1.
Outer Sheath Option: UV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite properties can be offered as option.

Colour Code

Insulation Colour: Brown or blue.

Sheath Colour: Black; other colours can be offered upon request.

Physical And Thermal Properties

Maximum temperature range during operation: 90°C
Maximum short circuit temperature (5 Seconds): 250°C
Minimum bending radius
circular copper conductors OD≤25mm : 4 × Overall Diameter
circular copper conductors OD﹥25mm : 6 × Overall Diameter
shaped copper conductors : 8 × Overall Diameter

Construction Parameters

Conductor		FTX300 1RZ1-R
No. of Cores × Cross-sectional Area	Conductor Class	Nominal Insulation Thickness	Nominal Inner Covering Thickness	Nominal Sheath Thickness	Approx. Overall Diameter	Approx. Weight
No.×mm²		mm	mm	mm	mm	kg/km
1×1.5	2	0.7	0.4	1.4	5.8	54
1×2.5	2	0.7	0.4	1.4	6.2	67
1×4	2	0.7	0.4	1.4	6.8	87
1×6	2	0.7	0.4	1.4	7.3	113
1×10	2	0.7	0.4	1.4	8.3	163
1×16	2	0.7	0.4	1.4	9.3	232
1×25	2	0.9	0.4	1.4	11.0	346
1×35	2	0.9	0.4	1.4	12.2	456
1×50	2	1.0	0.6	1.4	13.7	599
1×70	2	1.1	0.6	1.4	15.7	835
1×95	2	1.1	0.6	1.5	17.8	1131
1×120	2	1.2	0.8	1.5	19.6	1407
1×150	2	1.4	0.8	1.6	21.8	1727
1×185	2	1.6	0.8	1.6	24.0	2144
1×240	2	1.7	1.0	1.7	27.1	2786
1×300	2	1.8	1.0	1.8	29.9	3466
1×400	2	2.0	1.2	1.9	33.5	4405
1×500	2	2.2	1.2	2.0	37.2	5520
1×630	2	2.4	1.4	2.2	42.0	7097
1×800	2	2.6	1.6	2.3	46.9	9010
1×1000	2	2.8	1.6	2.4	52.0	11286

Electrical Properties

Conductor Operating Temperature : 90°C
Ambient Temperature : 30°C

Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E1A

Conductor cross-sectional area	Ref. Method A (enclosed in conduit in thermally insulating wall etc.)		Ref. Method B (enclosed in conduit on a wall or in trunking etc.)		Ref. Method C (clipped direct)		Ref. Method F (in free air or on a perforated cable tray, horizontal or vertical etc.) Touching			Ref. Method G (in free air) spaced by one cable diameter
	2 cables, single-phase a.c. or d.c.	3 or 4 cables, three-phase a.c.	2 cables, single-phase a.c. or d.c	3 or 4 cables, three-phase a.c.	2 cables, single-phase a.c. or d.c. flat and touching	3 or 4 cables, three-phase a.c. flat and touching or trefoil	2 cables, single-phase a.c. or d.c. flat	3 cables, three-phase a.c. flat	3 cables, three-phase a.c. trefoil	2 cables, single-phase a.c. or d.c. or 3 cables three-phase a.c. flat
										Horizontal	Vertical
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	19	17	23	20	25	23	-	-	-	-	-
2.5	26	23	31	28	34	31	-	-	-	-	-
4	35	31	42	37	46	41	-	-	-	-	-
6	45	40	54	48	59	54	-	-	-	-	-
10	61	54	75	66	81	74	-	-	-	-	-
16	81	73	100	88	109	99	-	-	-	-	-
25	106	95	133	117	143	130	161	141	135	182	161
35	131	117	164	144	176	161	200	176	169	226	201
50	158	141	198	175	228	209	242	216	207	275	246
70	200	179	253	222	293	268	310	279	268	353	318
95	241	216	306	269	355	326	377	342	328	430	389
120	278	249	354	312	413	379	437	400	383	500	454
150	318	285	393	342	476	436	504	464	444	577	527
185	362	324	449	384	545	500	575	533	510	661	605
240	424	380	528	450	644	590	679	634	607	781	719
300	486	435	603	514	743	681	783	736	703	902	833
400	-	-	683	584	868	793	940	868	823	1085	1008
500	-	-	783	666	990	904	1083	998	946	1253	1169
630	-	-	900	764	1130	1033	1254	1151	1088	1454	1362
800	-	-	-	-	1288	1179	1358	1275	1214	1581	1485
1000	-	-	-	-	1443	1323	1520	1436	1349	1775	1671

Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E1B

Conductor cross-sectional area	2 cables d.c.	2 cables, single-phase a.c.									3 or 4 cables, three-phase a.c.
		Ref. Methods A&B (enclosed in conduit or trunking)			Ref. Methods C, F&G (clipped direct, on trays or in free air)						Ref. Methods A&B (enclosed in conduit or trunking)			Ref. Methods C, F&G (clipped direct, on trays or in free air)
					cables touching			cables spaced*						Cables touching, Trefoil			Cables touching, Flat			Cables spaced*, Flat
1	2	3			4			5			6			7			8			9
mm²	mV/A/m					mV/A/m		mV/A/m			mV/A/m			mV/A/m			mV/A/m			mV/A/m
1.5	31	31			31			31			27			27			27			27
2.5	19	19			19			19			16			16			16			16
4	12	12			12			12			10			10			10			10
6	7.9	7.9			7.9			7.9			6.8			6.8			6.8			6.8
10	4.7	4.7			4.7			4.7			4.0			4.0			4.0			4.0
16	2.9	2.9			2.9			2.9			2.5			2.5			2.5			2.5
		r	x	z	r	x	z	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	1.85	0.28	1.85	1.60	0.27	1.65	1.60	0.165	1.60	1.60	0.190	1.60	1.60	0.27	1.65
35	1.35	1.35	0.29	1.35	1.35	0.180	1.35	1.35	0.27	1.35	1.15	0.25	1.15	1.15	0.155	1.15	1.15	0.180	1.15	1.15	0.26	1.20
50	0.99	1.00	0.29	1.05	0.99	0.180	1.00	0.99	0.27	1.00	0.87	0.25	0.90	0.86	0.155	0.87	0.86	0.180	0.87	0.86	0.26	0.89
70	0.68	0.70	0.28	0.75	0.68	0.175	0.71	0.68	0.26	0.73	0.60	0.24	0.65	0.59	0.150	0.61	0.59	0.175	0.62	0.59	0.25	0.65
95	0.49	0.51	0.27	0.58	0.49	0.170	0.52	0.49	0.26	0.56	0.44	0.23	0.50	0.43	0.145	0.45	0.43	0.170	0.46	0.43	0.25	0.49
120	0.39	0.41	0.26	0.48	0.39	0.165	0.43	0.39	0.25	0.47	0.35	0.23	0.42	0.34	0.140	0.37	0.34	0.165	0.38	0.34	0.24	0.42
150	0.32	0.33	0.26	0.43	0.32	0.165	0.36	0.32	0.25	0.41	0.29	0.23	0.37	0.28	0.140	0.31	0.28	0.165	0.32	0.28	0.24	0.37
185	0.25	0.27	0.26	0.37	0.26	0.165	0.30	0.25	0.25	0.36	0.23	0.23	0.32	0.22	0.140	0.26	0.22	0.165	0.28	0.22	0.24	0.33
240	0.190	0.21	0.26	0.33	0.20	0.160	0.25	0.195	0.25	0.31	0.185	0.22	0.29	0.170	0.140	0.22	0.170	0.165	0.24	0.170	0.24	0.29
300	0.155	0.175	0.25	0.31	0.160	0.160	0.22	0.155	0.25	0.29	0.150	0.22	0.27	0.140	0.140	0.195	0.135	0.160	0.21	0.135	0.24	0.27
400	0.120	0.140	0.25	0.29	0.130	0.155	0.20	0.125	0.24	0.27	0.125	0.22	0.25	0.110	0.135	0.175	0.110	0.160	0.195	0.110	0.24	0.26
500	0.093	0.120	0.25	0.28	0.105	0.155	0.185	0.098	0.24	0.26	0.100	0.22	0.24	0.090	0.135	0.160	0.088	0.160	0.180	0.085	0.24	0.25
630	0.072	0.100	0.25	0.27	0.086	0.155	0.175	0.078	0.24	0.25	0.088	0.21	0.23	0.074	0.135	0.150	0.071	0.160	0.170	0.068	0.23	0.24
800	0.056	-			0.072	0.150	0.170	0.064	0.24	0.25	-			0.062	0.130	0.145	0.059	0.155	0.165	0.055	0.23	0.24
1000	0.045	-			0.063	0.150	0.165	0.054	0.24	0.24	-			0.055	0.130	0.145	0.050	0.155	0.165	0.047	0.23	0.24

Note : *Spacings larger than one cable diameter will result in a large voltage drop.

r = conductor resistance at operating temperature

x = reactance

z = impedance