600/1000V Mica+XLPE Insulated, LSZH Sheathed, Armoured Fire Resistant Cables to BS 7846 (2-5 Cores & Multicore)

FFX400 1mRZ1MZ1-R (CU/MGT+XLPE/LSZH/SWA/LSZH 600/1000V Class 2)

APPLICATION

The BS 7846 Fire Resistant Cables are mainly used in power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals and high-rise buildings.

STANDARDS

Basic design to BS 7846

FIRE PERFORMANCE

Circuit Integrity	IEC 60331-21; BS 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

额定电压

600/1000V

CABLE CONSTRUCTION

Conductor: Annealed copper wire, stranded according to BS EN 60228 class 2.
Fire Barrier: Mica glass tape.
Insulation: XLPE type GP 8 according to BS 7655-1.3. HEPR type GP 6 according to BS 7655-1.2 or crosslinked polyolefin material type EI 5 according to BS EN 50363-5 can be offered as option.
Bedding: Extruded layer of polymeric material.
Armouring: Galvanized steel wire.
Outer Sheath: Extruded layer of polymeric material LTS 1 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
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.
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: 8 × Overall Diameter

CONSTRUCTION PARAMETERS

Conductor		FFX400 1mRZ1MZ1-R
No. of Cores × Cross-sectional Area	Conductor Class	Nominal Insulation Thickness	Nominal Bedding Thickness	Nominal Steel Wire Armour Diameter	Nominal Sheath Thickness	Approx. Overall Diameter	Approx. Weight
No.×mm2		mm			mm	mm	kg/km
2 cores
2×1.5a	2	0.6	0.8	0.9	1.3	13.5	345
2×2.5a	2	0.7	0.8	0.9	1.4	14.9	413
2×4a	2	0.7	0.8	0.9	1.4	16.0	478
2×4a&c	2	0.7	0.8	1.25	1.4	16.7	581
2×6a	2	0.7	0.8	0.9	1.4	17.2	555
2×6a&c	2	0.7	0.8	1.25	1.4	17.9	666
2×10a	2	0.7	0.8	0.9	1.5	19.2	708
2×10a&c	2	0.7	0.8	1.25	1.5	19.9	832
2×16a	2	0.7	0.8	1.25	1.5	22.0	1036
2×25a	2	0.9	0.8	1.25	1.6	25.7	1386
2×25b	2	0.9	0.8	1.25	1.6	23.5	1311
2×35a	2	0.9	1.0	1.6	1.7	29.0	1918
2×35b	2	0.9	1.0	1.6	1.7	26.5	1814
2×50b	2	1.0	1.0	1.6	1.8	28.5	2330
2×70b	2	1.1	1.0	1.6	1.9	32.0	2968
2×95b	2	1.1	1.2	2.0	2.0	36.0	4085
2×120b	2	1.2	1.2	2.0	2.1	39.0	4846
2×150b	2	1.4	1.2	2.0	2.2	42.0	6223
2×185b	2	1.6	1.4	2.5	2.4	48.0	7479
2×240b	2	1.7	1.4	2.5	2.5	52.0	9137
2×300b	2	1.8	1.6	2.5	2.6	57.0	10937
2×400b	2	2.0	1.6	2.5	2.8	62.0	13316
3 cores
3×1.5a	2	0.6	0.8	0.9	1.3	14.1	384
3×2.5a	2	0.7	0.8	0.9	1.4	15.6	467
3×4a	2	0.7	0.8	0.9	1.4	16.8	551
3×4a&c	2	0.7	0.8	1.25	1.4	17.5	659
3×6a	2	0.7	0.8	0.9	1.4	18.0	652
3×6a&c	2	0.7	0.8	1.25	1.4	18.7	768
3×10a	2	0.7	0.8	1.25	1.5	20.9	985
3×16a	2	0.7	0.8	1.25	1.6	23.4	1269
3×25a	2	0.9	1.0	1.6	1.7	28.4	1953
3×25b	2	0.9	1.0	1.6	1.7	26.5	1874
3×35a	2	0.9	1.0	1.6	1.8	31.0	2393
3×35b	2	0.9	1.0	1.6	1.8	28.5	2286
3×50b	2	1.0	1.0	1.6	1.8	32.0	2952
3×70b	2	1.1	1.0	1.6	1.9	35.0	3852
3×95b	2	1.1	1.2	2.0	2.1	40.0	5312
3×120b	2	1.2	1.2	2.0	2.2	44.0	6364
3×150b	2	1.4	1.4	2.5	2.3	49.0	8113
3×185b	2	1.6	1.4	2.5	2.4	53.0	9706
3×240b	2	1.7	1.4	2.5	2.6	58.0	12045
3×300b	2	1.8	1.6	2.5	2.7	63.0	14536
3×400b	2	2.0	1.6	2.5	2.9	70.0	17866
4 cores
4×1.5a	2	0.6	0.8	0.9	1.3	15.1	433
4×2.5a	2	0.7	0.8	0.9	1.4	16.7	532
4×4a	2	0.7	0.8	0.9	1.4	18.1	637
4×4a&c	2	0.7	0.8	1.25	1.4	18.8	856
4×6a	2	0.7	0.8	1.25	1.5	20.3	901
4×10a	2	0.7	0.8	1.25	1.5	22.6	1159
4×16a	2	0.7	0.8	1.25	1.6	25.3	1516
4×25a	2	0.9	1.0	1.6	1.7	30.8	2341
4×25b	2	0.9	1.0	1.6	1.7	29.5	2286
4×35a	2	0.9	1.0	1.6	1.8	33.7	2898
4×35b	2	0.9	1.0	1.6	1.8	32.0	2824
4×50b	2	1.0	1.0	1.6	1.9	35.0	3628
4×70b	2	1.1	1.2	2.0	2.1	41.0	5188
4×95b	2	1.1	1.2	2.0	2.2	45.0	6585
4×120b	2	1.2	1.4	2.5	2.3	50.0	8520
4×150b	2	1.4	1.4	2.5	2.4	55.0	10071
4×185b	2	1.6	1.4	2.5	2.6	60.0	12149
4×240b	2	1.7	1.6	2.5	2.7	66.0	15217
4×300b	2	1.8	1.6	2.5	2.9	70.0	18373
4×400b	2	2.0	1.8	3.15	3.2	81.0	23960
5 cores
5×1.5	2	0.6	0.8	0.9	1.4	16.3	495
5×2.5	2	0.7	0.8	0.9	1.4	18.0	603
5×4	2	0.7	0.8	0.9	1.5	19.7	739
5×4b	2	0.7	0.8	1.25	1.5	20.4	869
5×6	2	0.7	0.8	1.25	1.5	21.9	1031
5×10	2	0.7	0.8	1.25	1.6	24.6	1356
5×16	2	0.7	1.0	1.6	1.7	28.7	2010
5×25	2	0.9	1.0	1.6	1.8	33.6	2762
5×35	2	0.9	1.0	1.6	1.9	36.9	3440
5×50	2	1.0	1.2	2.0	2.0	42.4	4700
5×70	2	1.1	1.2	2.0	2.2	48.2	6186
Multicore
7×1.5	2	0.6	0.8	0.9	1.4	17.5	574
7×1.5c	2	0.6	0.8	1.25	1.4	18.2	687
7×2.5	2	0.7	0.8	0.9	1.4	19.3	711
7×2.5c	2	0.7	0.8	1.25	1.4	20.0	837
7×4	2	0.7	0.8	1.25	1.5	21.8	1024
12×1.5	2	0.6	0.8	1.25	1.6	22.7	968
12×2.5	2	0.7	0.8	1.25	1.6	25.5	1218
12×4	2	0.7	0.8	1.25	1.5	28.8	1725
19×1.5	2	0.6	1.0	1.6	1.6	26.1	1255
19×2.5	2	0.7	0.8	1.6	1.7	30.5	1844
19×4	2	0.7	1.0	1.6	1.7	33.2	2285
27×1.5	2	0.6	1.0	1.6	1.7	31.7	1856
27×2.5	2	0.6	1.0	1.6	1.7	35.7	2367
27×4	2	0.7	1.0	1.6	1.9	39.2	2993
37×1.5	2	0.7	1.0	1.6	1.7	34.9	2223
37×2.5	2	0.7	1.0	1.6	1.7	39.4	2878
37×4	2	0.7	1.2	2.0	2.0	44.8	4109

a Circular or compacted circular stranded conductor (Class 2).
b Shaped stranded conductor (Class 2).
c Cables with alternative armour wire size.
Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information.

ELECTRICAL PROPERTIES

Conductor 工作温度: 90°C
Air ambient temperature: 30°C
Ground ambient temperature: 20°C

Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E4A

Conductor cross-sectional area	Ref. Method C (clipped direct)		Ref. Method E (in free air or on a perforated cable tray etc. horizontal or vertical)		Ref. Method D (direct in in groud or in ducting in groud. in or around buildings)
	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
mm²	A	A	A	A	A	A
1.5	27	23	29	25	25	21
2.5	36	31	39	33	33	28
4	49	42	52	44	43	36
6	62	53	66	56	53	44
10	85	73	90	78	71	58
16	110	94	115	99	91	75
25	146	124	152	131	116	96
35	180	154	188	162	139	115
50	219	187	228	197	164	135
70	279	238	291	251	203	167
95	338	289	354	304	239	197
120	392	335	410	353	271	223
150	451	386	472	406	306	251
185	515	441	539	463	343	281
240	607	520	636	546	395	324
300	698	599	732	628	446	365
400	787	673	847	728	-	-

Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E4B

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

Note: r = conductor resistance at 工作温度
x = reactance
z = impedance