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.
Developed based on IEC 60502-1 standards, the product aligns with International Electrotechnical Commission specifications, ensuring its design is in compliance with global benchmarks.
| 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 |
600/1000V
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.
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.
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
| 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 | |
Conductor operating temperature : 90°C
Ambient temperature : 30°C
| 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) | ||||
|---|---|---|---|---|---|---|---|---|
| 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.
| 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
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.
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.
600/1000V Single Core Mica XLPE LSZH Fire Resistant Cable to IEC 60502-1
600/1000V Single Core Mica XLPE AWA LSZH Fire Resistant Cable to IEC 60502-1
600/1000V Multicore Mica XLPE SWA LSZH Fire Resistant Cable to IEC 60502-1
It forms the fire barrier around the conductor and supports the cable design for circuit integrity during fire testing.
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.
The construction schedule covers 2-5 core power and listed multicore configurations. Select the exact row for conductor size, diameter and weight.
Unarmoured construction with a thermoplastic halogen-free ST8 outer sheath and colour-coded power cores. The installation provides additional mechanical protection where required.
The stated maximum operating temperature is 90°C and the maximum short-circuit temperature is 250°C for 5 seconds.