LSZH Sheath Power Cable

Aluminum Or Copper XLPE Insulation Unarmoured & Armoured LSZH Sheathed Fire Resistant Power Cables

Application of LSZH Sheathed Power Cable

These XLPE insulated and LSZH sheathed power cables are generally used for fixed installation.

Suitable for building wiring, especially in areas where smoke and fume emissions may cause a potential threat to life but not for burial in the ground, either directly or in ducts.

ZMS Power Cable Group mainly provides complete supply services of LSZH sheathed power cable for distributors and suppliers all over the world.


Basic design to BS 8573:2012

Fire Performance

Flame Retardance (Single Vertical Wire Test)BS EN 60332-1-2:2004
Reduced Fire Propagation  (Vertically-mounted bundled wires; cable test)BS EN 60332-3-24:2009 (cat. C)
Halogen FreeBS EN 50267-2-1
Minimum Smoke EmissionBS EN 61034-2
Spark TestBS EN 62230

Cable Construction of LSZH Sheathed Power Cable

Conductor: Annealed copper conductor, strand according to BS EN 60228 class 2.

Insulation: XLPE type GP8 according to BS 7655-1.3. HEPR type GP6 according to BS 7655-1.2, or crosslinked polyolefi n material type EI 5 according to BS EN 50363-5 can be offered as option.

Inner Covering Option: The laid up cores may be coverd by an optional extrued inner covering or separating tape. It shall be possible to separate the cores easily.

Outer Sheath: Thermoplastic 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: Blue, brown black and grey, Alternatively, green-and-yellow, brown, black, grey

Sheath Colour: Black, other colours can be offered upon request.

Physical And Thermal Properties

Maximum temperature range during operation (XLPE): 90°C Maximum short circuit temperature (5 Seconds): 250°C Minimum bending


Circular copper conductors(up to 25mm2): 4 x Overall Diameter

Circular copper conductors(above 25mm2): 6 x Overall Diameter

Shaped copper conductors: 8 x Overall Diameter

Construction Parameters

ConductorNominal Insulation ThicknessNominal Sheath Thickness
No.of Coresx Cross SectionClass of Conductor

Power Cable

Power cables are used to transmit and distribute electrical energy. Power cables are commonly used in urban underground power grids, power station lead-out lines, power supply within industrial and mining enterprises, and over-the-river transmission lines.

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ZMS Cable have a wide product scope, includes: Power cables up to 500kV, AAC, AAAC, ACSR conductors, ABC Cable,electric wires, instrument cable, telecommunications cable, Stay wires. With advanced manufacture technology, rich human resource and effective management system, we guarantee all products are manufactured strictly in accordance with GB, IEC, BS, NFC, ASTM, DIN standards,etc. Beyond quality control, ZMS have been trying its best to offer much higher standard of services rather than expected.

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All customised cables designed by our cable engineer will be subject to testing to relevant standards and appropriate performance criteria. Bespoke cable testing will be conducted under our CNAS accreditation where appropriate. Where required by industry or application, we can submit for relevant cable certification and cable approval processes. For more information or to discuss possible custom designed cable solutions, please complete an enquiry form, contact our technical experts on the Technical Hotline +86 (0)371 6782 9333, or

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