600/1000V Multicore Mica XLPE LSZH Fire Resistant Cable to IEC 60502-1 - BS6387 Standard cables

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600/1000V Multicore Mica XLPE LSZH Fire Resistant Cable to IEC 60502-1

600/1000V multicore copper fire resistant cable with mica glass tape, XLPE insulation and LSZH sheath. 2-5 core power and listed multicore configurations; unarmoured construction.

600_1000V Mica+XLPE Insulated, LSZH Sheathed,Armoured Power Cables to IEC 60502-1 (2-5 Cores).pdf Contact us

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APPLICATION

BURY CABLE supplies this 600/1000V multicore mica XLPE LSZH cable for essential power circuits in buildings, transport facilities and industrial installations. The mica glass tape forms the fire barrier, while the LSZH sheath supports low-smoke and halogen-free requirements. Use protected trays, ducts, conduits and trunking as part of the specified cable installation system.

STANDARDS

Developed based on IEC 60502-1 standards, the product aligns with International Electrotechnical Commission specifications, ensuring its design is in compliance with global benchmarks.

FIRE PERFORMANCE

Circuit Integrity	IEC 60331-21; EN 6387; BS 8491
Flame Retardance (Single vertical wire or cable test)	IEC 60332-1-2; EN 60332-1-2
Reduced fire Propagation (Vertically-mounted bundled wires & cables test)	IEC 60332-3-24; EN 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 : The conductors shall be class 2 plain or metal-coated annealed copper in accordance with IEC 60228. Class 1 and class 5 conductor can be offered as option.

Fire Barrier : Mica glass tape.

Insulation : Thermosetting XLPE material and thickness shall be as per IEC 60502-1.

Outer Sheath : Thermoplastic halogen free compound ST8 as per IEC 60502-1.

Outer Sheath Option : UV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite properties can be offered as option.

COLOUR CODE

Insulation Colour

2-core : Brown and blue.

3-core : Brown, black and grey.

4-core : Blue, brown, black and grey.

5-core : Green-and-yellow, blue, brown, black, grey.

Other colours can be offered upon request.

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		FPR600-mRZ1-R
No. of Cores × Cross-sectional Area	Conductor Class	Nominal Insulation Thickness		Nominal Sheath Thickness	Approx. Overall Diameter	Approx. Weight
no.×mm²		mm		mm	mm	kg/km
2 cores
2×1.5	2	0.7		1.8	11.6	139
2×2.5	2	0.7		1.8	12.4	167
2×4	2	0.7		1.8	13.5	211
2×6	2	0.7		1.8	14.6	265
2×10	2	0.7		1.8	16.5	370
2×16	2	0.7		1.8	18.6	515
2×25	2	0.9		1.8	22.0	756
2×35	2	0.9		1.8	24.3	983
2×50	2	1.0		1.8	27.4	1281
2×70	2	1.1		1.8	31.4	1771
2×95	2	1.1		1.9	35.4	2379
2×120	2	1.2		2.0	39.2	2971
2×150	2	1.4		2.2	43.5	3655
2×185	2	1.6		2.3	48.3	4546
2×240	2	1.7		2.5	54.3	5901
2×300	2	1.8		2.6	59.8	7308
2×400	2	2		2.9	67.1	9318
3 cores
3×1.5	2	0.7		1.8	12.2	168
3×2.5	2	0.7		1.8	13.1	208
3×4	2	0.7		1.8	14.3	269
3×6	2	0.7		1.8	15.5	345
3×10	2	0.7		1.8	17.5	495
3×16	2	0.7		1.8	19.8	704
3×25	2	0.9		1.8	23.5	1052
3×35	2	0.9		1.8	26.0	1384
3×50	2	1.0		1.8	29.3	1819
3×70	2	1.1		1.9	33.8	2556
3×95	2	1.1		2.0	38.3	3467
3×120	2	1.2		2.1	42.4	4335
3×150	2	1.4		2.3	46.8	5305
3×185	2	1.6		2.4	52.1	6638
3×240	2	1.7		2.6	58.5	8624
3×300	2	1.8		2.7	64.4	10700
3×400	2	2.0		3.0	72.1	13601
3 cores + 1 core earth conductor
		3 cores	1 core
3×16/10	2	0.7	0.7	1.8	20.4	818
3×25/16	2	0.9	0.7	1.8	24.3	1228
3×35/16	2	0.9	0.7	1.8	26.9	1560
3×50/25	2	1.0	0.9	1.8	30.3	2097
3×70/35	2	1.1	0.9	2.0	35.2	2935
3×95/50	2	1.1	1.0	2.1	39.7	3978
3×120/70	2	1.2	1.1	2.3	44.2	5067
3×150/70	2	1.4	1.1	2.4	48.8	6038
3×185/95	2	1.6	1.1	2.6	54.3	7643
3×240/120	2	1.7	1.2	2.8	61.1	9891
3×300/150	2	1.8	1.4	3.0	67.4	12260
3×400/185	2	2.0	1.6	3.2	75.4	15560
4 cores
4×1.5	2	0.7		1.8	13.2	201
4×2.5	2	0.7		1.8	14.2	253
4×4	2	0.7		1.8	15.5	332
4×6	2	0.7		1.8	16.9	431
4×10	2	0.7		1.8	19.2	628
4×16	2	0.7		1.8	21.7	901
4×25	2	0.9		1.8	25.8	1358
4×35	2	0.9		1.8	28.6	1796
4×50	2	1.0		1.8	32.3	2369
4×70	2	1.1		2.0	37.5	3358
4×95	2	1.1		2.1	42.3	4537
4×120	2	1.2		2.3	47.1	5703
4×150	2	1.4		2.4	52.0	6984
4×185	2	1.6		2.6	57.9	8740
4×240	2	1.7		2.8	65.1	11362
4×300	2	1.8		3.0	71.8	14145
4×400	2	2.0		3.2	80.4	17984
Multicore
5×1.5	2	0.7		1.8	14.3	260
5×2.5	2	0.7		1.8	15.4	1544
7×1.5	2	0.7		1.8	15.5	322
7×2.5	2	0.7		1.8	16.7	2116
10×1.5	2	0.7		1.8	19.4	438
10×2.5	2	0.7		1.8	21.1	3000
12×1.5	2	0.7		1.8	20.0	494
12×2.5	2	0.7		1.8	21.8	3565
14×1.5	2	0.7		1.8	21.0	554
14×2.5	2	0.7		1.8	22.9	4135
19×1.5	2	0.7		1.8	23.4	701
19×2.5	2	0.7		1.8	25.5	5556
21×1.5	2	0.7		1.8	24.5	763
21×2.5	2	0.7		1.8	26.8	6128
24×1.5	2	0.7		1.8	27.3	866
24×2.5	2	0.7		1.8	29.8	6998
30×1.5	2	0.7		1.8	28.9	1030
30×2.5	2	0.7		1.8	31.6	8689
40×1.5	2	0.7		1.8	32.4	9942
40×2.5	2	0.7		1.9	35.7	11540
48×1.5	2	0.7		1.8	35.8	11900
48×2.5	2	0.7		1.9	39.4	13813
61×1.5	2	0.7		1.9	39.4	15082
61×2.5	2	0.7		2.0	43.3	17505

ELECTRICAL PROPERTIES

Conductor operating temperature : 90°C

Ambient temperature : 30°C

Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E2A

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 E (in free air or on a perforated cable tray etc. horizontal or vertical)
Conductor cross-sectional area	1 two-core cable*, single-phase a.c. or d.c.	1 three- or four-core cable*, three-phase a.c.	1 two-core cable*, single-phase a.c. or d.c.	1 three- or four-core cable*, three-phase a.c.	1 two-core cable*, single-phase a.c. or d.c.	1 three- or four-core cable*, three-phase a.c.	1 two-core cable*, single-phase a.c. or d.c.	1 three- or four-core cable*, three-phase a.c.
1	2	3	4	5	6	7	8	9
mm²	A	A	A	A	A	A	A	A
1.5	18.5	16.5	22	19.5	24	22	26	23
2.5	25	22	30	26	33	30	36	32
4	33	30	40	35	45	40	49	42
6	42	38	51	44	58	52	63	54
10	57	51	69	60	80	71	86	75
16	76	68	91	80	107	96	115	100
25	99	89	119	105	138	119	149	127
35	121	109	146	128	171	147	185	158
50	145	130	175	154	209	179	225	192
70	183	164	221	194	269	229	289	246
95	220	197	265	233	328	278	352	298
120	253	227	305	268	382	322	410	346
150	290	259	334	300	441	371	473	399
185	329	295	384	340	506	424	542	456
240	386	346	459	398	599	500	641	538
300	442	396	532	455	693	576	741	621
400	-	-	625	536	803	667	865	741

Note: *With or without a protective conductor.

Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E2B

Conductor cross-sectional area	Two-core cables, d.c.	Two-core cable, single-phase a.c.			Three- or four-core cable, three-phase a.c.
1	2	3			4
mm²	mV/A/m	mV/A/m			mV/A/m
1.5	31	31			27
2.5	19	19			16
4	12	12			10
6	7.9	7.9			6.8
10	4.7	4.7			4.0
16	2.9	2.9			2.5
		r	x	z	r	x	z
25	1.85	1.85	0.160	1.90	1.60	0.140	1.65
35	1.35	1.35	0.155	1.35	1.15	0.135	1.15
50	0.98	0.99	0.155	1.00	0.86	0.135	0.87
70	0.67	0.67	0.150	0.69	0.59	0.130	0.60
95	0.49	0.50	0.150	0.52	0.43	0.130	0.45
120	0.39	0.40	0.145	0.42	0.34	0.130	0.37
150	0.31	0.32	0.145	0.35	0.38	0.125	0.30
185	0.25	0.26	0.145	0.29	0.22	0.125	0.26
240	0.195	0.200	0.140	0.24	0.175	0.125	0.21
300	0.155	0.160	0.140	0.21	0.140	0.120	0.185
400	0.120	0.130	0.140	0.190	0.115	0.120	0.165

r = conductor resistance at operating temperature

x = reactance

z = impedance

KEY FEATURES

Class 2 plain or metal-coated annealed copper, with Class 1 and Class 5 offered as options; mica glass tape and thermosetting XLPE insulation.
Unarmoured construction with a thermoplastic halogen-free ST8 outer sheath and colour-coded power cores.
Construction schedule covers 2-5 core power and listed multicore configurations; conductor sizes vary by core arrangement.

SELECTION NOTES

Specify the required circuit-integrity test method, classification and duration together with compatible supports and terminations. Match the selected cable and installation system to the project fire strategy.
Apply the published current-rating and voltage-drop references to the matching circuit arrangement, installation method and temperatures, including the applicable correction factors.
Circular conductors use 4 times overall diameter up to 25 mm cable diameter and 6 times above 25 mm; shaped conductors use 8 times overall diameter. State any UV, oil, hydrocarbon, rodent or termite sheath options in the order.

RELATED CABLE TYPES

FAQ

What is the role of the mica glass tape?

It forms the fire barrier around the conductor and supports the cable design for circuit integrity during fire testing.

What does LSZH mean?

Low Smoke Zero Halogen. The sheath is a thermoplastic halogen-free ST8 compound, with smoke and gas test references listed in the fire-performance table.

Which construction sizes are listed?

The construction schedule covers 2-5 core power and listed multicore configurations. Select the exact row for conductor size, diameter and weight.

What mechanical protection does this version use?

Unarmoured construction with a thermoplastic halogen-free ST8 outer sheath and colour-coded power cores. The installation provides additional mechanical protection where required.

What are the conductor temperature limits?

The stated maximum operating temperature is 90°C and the maximum short-circuit temperature is 250°C for 5 seconds.