600/1000V XLPE Insulated, PVC Sheathed, Unarmoured Power Cables to BS 7889 (Single Core)

FGD300 1RV-R (CU/XLPE/PVC 600/1000V Class 2)

BS Code: 6181X

Applications

BS 7889 CU/XLPE/PVC are mainly use in fixed installations in industrial areas, buildings and similar applications but not for burial in the ground, either directly or in ducts.

Standard

Basic design to BS 7889:2012

Fire Performance

Flame Retardance (Single Vertical Wire Test) BS EN 60332-1-2

Voltage Rating

600/1000V

Construction

Power Cables to BS 7889 (Single Core) BS 7889 Power Cable
Conductor Annealed copper conductor, class 5 according to BS EN 60228.
Insulation XLPE type GP8 according to BS 7655-1.3.
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 PVC Type 9 according to BS 7655-4.2.
Outer Sheath Option UV resistance, hydrocarbon resistance, oil resistance, anti rodent and anti termite properties can be offered as option. Compliance to fire performance standard (IEC 60332-1, IEC 60332-3, UL 1581, UL 1666 etc) depends on the oxygen index of the PVC compound and the overall cable design. LSPVC can also be provided upon request.

Colour Code

Insulation Colour Brown or blue
Sheath Colour Black, other colours can be offered upon request.

Mechanical and Electrical Properties

Maximum temperature range during operation (XLPE) 90°C
Maximum short circuit temperature (5 Seconds) 250°C
Minimum bending radius Circular copper conductor (OD≤25mm): 4 x Overall Diameter
  Circular copper conductor (OD>25mm): 6 x Overall Diameter
  Shaped copper conductor: 8 x Overall Diameter

Parameter

Conductor FGD300 1RV-R
No. of Cores xCross Section Class of Conductor Nominal Insulation Thickness Nominal Sheath Thickness Nominal Overall Diameter Approx.Weight
No.xmm2 mm mm mm kg/km
1x1.5 2 0.7 1.4 6.1 36
1x2.5 2 0.7 1.4 6.8 52
1x4.0 2 0.7 1.4 7.4 76
1x6.0 2 0.7 1.4 8.2 100
1x10 2 0.7 1.4 9.2 160
1x16 2 0.7 1.4 10.7 230
1x25 2 0.9 1.4 12.5 340
1x35 2 0.9 1.4 13.5 440
1x50 2 1 1.4 13.7 541
1x70 2 1.1 1.4 15.8 749
1x95 2 1.1 1.5 17.5 1000
1x120 2 1.2 1.5 19.3 1241
1x150 2 1.4 1.6 21.5 1523
1x185 2 1.6 1.6 24.7 1942
1x240 2 1.7 1.7 27.7 2514
1x300 2 1.8 1.8 30.6 3125
1x400 2 2 1.9 34.2 3967
1x500 2 2.2 2 38 5063
1x630 2 2.4 2.2 42.9 6491
1x800 2 2.6 2.3 46 8075
1x1000 2 2.8 2.4 63 9860

Electrical Properties

Conductor Operating Temperature 70°C
Ambient Temperature 30°C

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

Conductor cross-sectional

area		 Reference Method A (enclosed in conduit in thermally insulating wall etc) Reference Method B (enclosed in conduit on a wall or in trunking etc) Reference Method C (clipped direct) Reference Method F (in free air or on a perforated cable tray horizontal or vertical etc) Reference 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 - - 900 764 113 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

Nominal
Cross
Section
Area		 2
cables
d.c.		 2 cables, single-phase a.c.

3 or 4 cables, three-phase a.c.
Ref. Methods A and 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)
1 2 3 Cables touching 4 Cables spaced* 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 1.6 0.31 1.9 1.85 0.19 1.85 1.6 0.27 1.65 1.6 0.165 1.6 1.6 0.19 1.6
35 1.35 1.35 0.29 1.35 1.35 0.18 1.35 1.15 0.25 1.15 1.15 0.155 1.5 1.15 0.18 1.15
50 0.99 1 0.29 1.05 0.99 0.18 1 0.87 0.25 0.9 0.86 0.155 0.87 0.86 0.18 0.87
70 0.68 0.7 0.28 0.75 0.68 0.175 0.71 0.6 0.24 0.65 0.59 0.15 0.61 0.59 0.175 0.62
95 0.49 0.51 0.27 0.58 0.49 0.17 0.52 0.44 0.23 0.5 0.43 0.145 0.45 0.43 0.17 0.46
120 0.39 0.41 0.26 0.48 0.39 0.165 0.43 0.35 0.23 0.42 0.34 0.14 0.37 0.34 0.165 0.38
150 0.32 0.33 0.26 0.43 0.32 0.165 0.36 0.29 0.23 0.37 0.28 0.14 0.31 0.28 0.165 0.32
185 0.25 0.27 0.26 0.37 0.26 0.165 0.3 0.23 0.23 0.32 0.22 0.14 0.26 0.22 0.165 0.28
240 0.19 0.21 0.26 0.33 0.2 0.16 0.25 0.185 0.22 0.29 0.17 0.14 0.22 0.17 0.165 0.24
300 0.155 0.175 0.25 0.31 0.16 0.16 0.22 0.15 0.22 0.27 0.14 0.14 0.195 0.135 0.16 0.21
400 0.12 0.14 0.25 0.29 0.13 0.155 0.2 0.125 0.22 0.25 0.11 0.135 0.175 0.11 0.16 0.195
500 0.093 0.12 0.25 0.28 0.105 0.155 0.185 0.1 0.22 0.24 0.09 0.135 0.16 0.088 0.16 0.18
630 0.072 0.1 0.25 0.27 0.086 0.155 0.175 0.088 0.21 0.23 0.074 0.135 0.15 0.071 0.16 0.17
800 0.056 - - - 0.072 0.15 0.17 - - - 0.062 0.13 0.145 0.059 0.155 0.165
1000 0.045 - - - 0.063 0.15 0.165 - - - 0.055 0.13 0.14 0.05 0.155 0.165

Note: *Spacings larger than one cable diameter will result in a large voltage drop.
r = conductor resistance at operating temperature
x = reactance
z = impedance

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