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HOT PRODUCTS
APPLICATIONS
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450/750V Mica+XLPE Insulated, LSZH Sheathed Power Cables to BS 7211 (Single Core)
FFX300 07mRZ1-U/R (CU/MGT+XLPE/LSZH 450/750V Class 1/2)
APPLICATION
The cables are mainly used in power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals and high-rise buildings.
STANDARDS
Basic design adapted from BS 7211:2012
FIRE PERFORMANCE
Circuit Integrity | IEC 60331-21; BS 6387 |
---|---|
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
450/750V
CABLE CONSTRUCTION
Conductor: Annealed copper conductor, solid or stranded according to BS EN 60228 class 1 or class 2.
Fire Barrier: Mica glass tape.
Insulation: XLPE type GP 8 according to BS 7655-1.3. Crosslinked polyolefin material type EI 5 according to
EN 50363-5 can be offered as option.
Outer Sheath: Extruded LSZH type 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: White; 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
OD<8mm: 4 × Overall Diameter
8mm≤OD≤12mm: 5 × Overall Diameter
OD>12mm: 6 × Overall Diameter
CONSTRUCTION PARAMETERS
Conductor | FFX300 07mRZ1-U/R | |||||
---|---|---|---|---|---|---|
No. of Cores × Cross-sectional Area | Conductor Class | Nominal Insulation Thickness | Nominal Sheath Thickness | Min. Overall Diameter | Max. Overall Diameter | Approx. Weight |
No.×mm2 | mm | mm | mm | mm | kg/km | |
1×1.0 | 1 | 0.7 | 0.8 | 4.9 | 5.8 | 30 |
1×1.5 | 1 | 0.7 | 0.8 | 5.2 | 6.0 | 38 |
1×2.5 | 1 | 0.7 | 0.8 | 5.6 | 6.5 | 51 |
1×4 | 1 | 0.7 | 0.8 | 6.2 | 7.3 | 70 |
1×6 | 1 | 0.7 | 0.8 | 6.7 | 7.8 | 95 |
1×1.0 | 2 | 0.7 | 0.8 | 5.0 | 5.9 | 35 |
1×1.5 | 2 | 0.7 | 0.8 | 5.3 | 6.2 | 43 |
1×2.5 | 2 | 0.7 | 0.8 | 5.7 | 6.6 | 56 |
1×4 | 2 | 0.7 | 0.9 | 6.3 | 7.4 | 77 |
1×6 | 2 | 0.7 | 0.9 | 6.9 | 8.1 | 104 |
1×10 | 2 | 0.7 | 0.9 | 7.7 | 9.1 | 147 |
1×16 | 2 | 0.7 | 0.9 | 8.6 | 10.2 | 211 |
1×25 | 2 | 0.9 | 1.0 | 10.4 | 12.4 | 325 |
1×35 | 2 | 0.9 | 1.1 | 11.6 | 13.8 | 489 |
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 |
1.0 | 14 | 13 | 17 | 15 | 19 | 17.5 | - | - | - | - | - |
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 |
Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E1B
Conductor crosssectional 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 | |||||||||||||||
1.0 | 46 | 46 | 46 | 46 | 40 | 40 | 40 | 40 | ||||||||||||||
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 |
Note: *Spacings larger than one cable diameter will result in a large voltage drop.
r = conductor resistance at operating temperature
x = reactance
z = impedance