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BS 7846 Fire Resistant Armoured LSZH Power Cable cable construction reference

Fire resistant power cable

BS 7846 Fire Resistant Armoured LSZH Power Cable

BS 7846 Fire Resistant Armoured LSZH Power Cable is a specific low-voltage power cable construction for emergency power, life safety systems, fire pumps applications, using plain or tinned copper conductor, mica fire barrier with xlpe insulation, swa or awa armour according to core layout and lszh outer sheath.

Standard
BS 7846
Voltage class
0.6/1 kV
Conductor
Plain or tinned copper conductor
Insulation / jacket
LSZH

Cable Type Data

Construction and applications.

Applications

BS 7846 Fire Resistant Armoured LSZH Power Cable is a specific low-voltage power cable construction for emergency power, life safety systems, fire pumps applications, using plain or tinned copper conductor, mica fire barrier with xlpe insulation, swa or awa armour according to core layout and lszh outer sheath.

  • Emergency power
  • Life safety systems
  • Fire pumps
  • Critical infrastructure

Cable Construction

  • Plain or tinned copper conductor
  • Mica fire barrier with XLPE insulation
  • SWA or AWA armour according to core layout
  • LSZH outer sheath
  • Core identification and marking according to cable schedule

Specifications

Select a cable size.

Each row below is a complete specification sheet — 63 sizes in total. Click any row to open conductor data, resistance, dimensions, weight and ordering reference.

Copper conductor

Each row is an exact low-voltage cable specification sheet. Confirm current rating, installation method, voltage drop and short-circuit requirement before quotation.

  • ConductorCopper conductor
Cable referenceCore layoutConductor sizeMax DC resistance at 20 °COD guide
BS 7846 fire resistant power cable 1C Copper 16 mm² LSZH1C16 mm²1.15 Ω/km26 mm
BS 7846 fire resistant power cable 1C Copper 25 mm² LSZH1C25 mm²0.727 Ω/km28 mm
BS 7846 fire resistant power cable 1C Copper 50 mm² LSZH1C50 mm²0.387 Ω/km33 mm
BS 7846 fire resistant power cable 1C Copper 70 mm² LSZH1C70 mm²0.268 Ω/km36 mm
BS 7846 fire resistant power cable 1C Copper 95 mm² LSZH1C95 mm²0.193 Ω/km39 mm
BS 7846 fire resistant power cable 1C Copper 150 mm² LSZH1C150 mm²0.124 Ω/km44 mm
BS 7846 fire resistant power cable 1C Copper 240 mm² LSZH1C240 mm²0.0754 Ω/km51 mm
BS 7846 fire resistant power cable 1C Copper 400 mm² LSZH1C400 mm²0.0470 Ω/km61 mm
BS 7846 fire resistant power cable 2C Copper 1.5 mm² LSZH2C1.5 mm²12.1 Ω/km22 mm
BS 7846 fire resistant power cable 2C Copper 2.5 mm² LSZH2C2.5 mm²7.41 Ω/km23 mm
BS 7846 fire resistant power cable 2C Copper 4 mm² LSZH2C4 mm²4.61 Ω/km24 mm
BS 7846 fire resistant power cable 2C Copper 6 mm² LSZH2C6 mm²3.08 Ω/km25 mm
BS 7846 fire resistant power cable 2C Copper 10 mm² LSZH2C10 mm²1.83 Ω/km27 mm
BS 7846 fire resistant power cable 2C Copper 16 mm² LSZH2C16 mm²1.15 Ω/km28 mm
BS 7846 fire resistant power cable 2C Copper 25 mm² LSZH2C25 mm²0.727 Ω/km31 mm
BS 7846 fire resistant power cable 2C Copper 35 mm² LSZH2C35 mm²0.524 Ω/km33 mm
BS 7846 fire resistant power cable 2C Copper 50 mm² LSZH2C50 mm²0.387 Ω/km35 mm
BS 7846 fire resistant power cable 2C Copper 70 mm² LSZH2C70 mm²0.268 Ω/km38 mm
BS 7846 fire resistant power cable 2C Copper 95 mm² LSZH2C95 mm²0.193 Ω/km41 mm
BS 7846 fire resistant power cable 2C Copper 120 mm² LSZH2C120 mm²0.153 Ω/km44 mm
BS 7846 fire resistant power cable 2C Copper 150 mm² LSZH2C150 mm²0.124 Ω/km47 mm
BS 7846 fire resistant power cable 2C Copper 185 mm² LSZH2C185 mm²0.0991 Ω/km50 mm
BS 7846 fire resistant power cable 2C Copper 240 mm² LSZH2C240 mm²0.0754 Ω/km54 mm
BS 7846 fire resistant power cable 3C Copper 1.5 mm² LSZH3C1.5 mm²12.1 Ω/km25 mm
BS 7846 fire resistant power cable 3C Copper 2.5 mm² LSZH3C2.5 mm²7.41 Ω/km25 mm
BS 7846 fire resistant power cable 3C Copper 4 mm² LSZH3C4 mm²4.61 Ω/km26 mm
BS 7846 fire resistant power cable 3C Copper 6 mm² LSZH3C6 mm²3.08 Ω/km27 mm
BS 7846 fire resistant power cable 3C Copper 10 mm² LSZH3C10 mm²1.83 Ω/km29 mm
BS 7846 fire resistant power cable 3C Copper 16 mm² LSZH3C16 mm²1.15 Ω/km31 mm
BS 7846 fire resistant power cable 3C Copper 25 mm² LSZH3C25 mm²0.727 Ω/km33 mm
BS 7846 fire resistant power cable 3C Copper 35 mm² LSZH3C35 mm²0.524 Ω/km35 mm
BS 7846 fire resistant power cable 3C Copper 50 mm² LSZH3C50 mm²0.387 Ω/km37 mm
BS 7846 fire resistant power cable 3C Copper 70 mm² LSZH3C70 mm²0.268 Ω/km40 mm
BS 7846 fire resistant power cable 3C Copper 95 mm² LSZH3C95 mm²0.193 Ω/km43 mm
BS 7846 fire resistant power cable 3C Copper 120 mm² LSZH3C120 mm²0.153 Ω/km46 mm
BS 7846 fire resistant power cable 3C Copper 150 mm² LSZH3C150 mm²0.124 Ω/km49 mm
BS 7846 fire resistant power cable 3C Copper 185 mm² LSZH3C185 mm²0.0991 Ω/km52 mm
BS 7846 fire resistant power cable 3C Copper 240 mm² LSZH3C240 mm²0.0754 Ω/km56 mm
BS 7846 fire resistant power cable 4C Copper 1.5 mm² LSZH4C1.5 mm²12.1 Ω/km27 mm
BS 7846 fire resistant power cable 4C Copper 2.5 mm² LSZH4C2.5 mm²7.41 Ω/km28 mm
BS 7846 fire resistant power cable 4C Copper 4 mm² LSZH4C4 mm²4.61 Ω/km29 mm
BS 7846 fire resistant power cable 4C Copper 6 mm² LSZH4C6 mm²3.08 Ω/km30 mm
BS 7846 fire resistant power cable 4C Copper 10 mm² LSZH4C10 mm²1.83 Ω/km31 mm
BS 7846 fire resistant power cable 4C Copper 16 mm² LSZH4C16 mm²1.15 Ω/km33 mm
BS 7846 fire resistant power cable 4C Copper 25 mm² LSZH4C25 mm²0.727 Ω/km35 mm
BS 7846 fire resistant power cable 4C Copper 35 mm² LSZH4C35 mm²0.524 Ω/km37 mm
BS 7846 fire resistant power cable 4C Copper 50 mm² LSZH4C50 mm²0.387 Ω/km40 mm
BS 7846 fire resistant power cable 4C Copper 70 mm² LSZH4C70 mm²0.268 Ω/km43 mm
BS 7846 fire resistant power cable 4C Copper 95 mm² LSZH4C95 mm²0.193 Ω/km46 mm
BS 7846 fire resistant power cable 4C Copper 120 mm² LSZH4C120 mm²0.153 Ω/km48 mm
BS 7846 fire resistant power cable 4C Copper 150 mm² LSZH4C150 mm²0.124 Ω/km51 mm
BS 7846 fire resistant power cable 4C Copper 185 mm² LSZH4C185 mm²0.0991 Ω/km54 mm
BS 7846 fire resistant power cable 4C Copper 240 mm² LSZH4C240 mm²0.0754 Ω/km58 mm
BS 7846 fire resistant power cable 5C Copper 1.5 mm² LSZH5C1.5 mm²12.1 Ω/km29 mm
BS 7846 fire resistant power cable 5C Copper 2.5 mm² LSZH5C2.5 mm²7.41 Ω/km30 mm
BS 7846 fire resistant power cable 5C Copper 4 mm² LSZH5C4 mm²4.61 Ω/km31 mm
BS 7846 fire resistant power cable 5C Copper 6 mm² LSZH5C6 mm²3.08 Ω/km32 mm
BS 7846 fire resistant power cable 5C Copper 10 mm² LSZH5C10 mm²1.83 Ω/km33 mm
BS 7846 fire resistant power cable 5C Copper 16 mm² LSZH5C16 mm²1.15 Ω/km35 mm
BS 7846 fire resistant power cable 5C Copper 25 mm² LSZH5C25 mm²0.727 Ω/km38 mm
BS 7846 fire resistant power cable 5C Copper 35 mm² LSZH5C35 mm²0.524 Ω/km40 mm
BS 7846 fire resistant power cable 5C Copper 50 mm² LSZH5C50 mm²0.387 Ω/km42 mm
BS 7846 fire resistant power cable 5C Copper 70 mm² LSZH5C70 mm²0.268 Ω/km45 mm
Cable Specification Sheets Exact cable references by conductor size and construction.

Specification sheets include conductor material, size, resistance, diameter, weight, construction and quotation reference.

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