Cable Specification Sheet BS 7835 · Rev 01 · 2026-06

BS 7835 XLPE/AWA/SWA/LSZH · Single core 400 mm²

Name: BS 7835 XLPE/AWA/SWA/LSZH · Single core 400 mm²
Brand: UE Cable
SKU: bs-7835-xlpe-awa-swa-lszh-12-20-kv-single-core-aluminium-400-mm2-lszh

Ordering reference BS 7835 XLPE/AWA/SWA/LSZH · Single core 400 mm²

BS 7835 BS 7835 XLPE/AWA/SWA/LSZH

Application

Transport infrastructure · Public buildings · Data centers · Indoor and outdoor MV distribution

Indicative medium-voltage single-core construction — aluminium conductor · screened, not to scale

Construction

1
ConductorAluminium conductor · 53 × Ø3.1 mm · IEC 60228 cl.2
2
Conductor screenSemi-conducting layer
3
InsulationXLPE
4
Insulation screenSemi-conducting layer
5
Metallic screenCopper wire screen (CWS)
6
BeddingPVC bedding
7
ArmourAluminium / steel wire armour
8
SheathLSZH

Technical parameters

Voltage class12/20 kV

Cross-section400 mm²

Max DC resistance at 20 °C0.0778 Ω/km

Metallic screen35 mm² copper wire screen

OD guide59 mm

Core layoutSingle core

Conductor materialAluminium conductor

Operating temperature−40 °C to +90 °C

Cable weight3.5 kg/m

Bend radius20 x OD during installation

Outer sheathLSZH

Current rating (guide)≈ 640 A (Al, 1-core free air, 30 °C — IEC 60364-5-52 guide)

Routine test voltage42 kV a.c. (3.5 Uo, IEC 60502-2)

Ratings & materials

StandardBS 7835

Voltage class12/20 kV

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