Armoured cables, commonly referred to as SWA (Steel Wire Armoured) or AWA (Aluminium Wire Armoured) cables, are robust power cables designed with metallic armour protection for demanding installation environments. The armour provides mechanical protection where physical stress could damage the cable, such as direct burial underground, outdoor installations, or industrial environments. These cables are manufactured in accordance with British, European, and International standards including BS 5467, BS 6724, BS 6622, BS 7835, and IEC 60502.

on04/01/2026

What are Armoured Cables SWA & AWA?

SWA cable, AWA cable, armoured cable, steel wire armoured, aluminium wire armoured, BS 5467, BS 6724, BS 6622, BS 7835, IEC 60502, BASEC approved, XLPE cable, LSZH cable, underground cable, 0.6/1kV, 11kV cable, 33kV cable, N2XRY, NYFGBY, power cable, industrial cable, direct burial, 鎧裝電纜, 鋼絲鎧裝, cable blindado

UNE 21123 standard refers to the design and cross-sectional area specifications for cables used by utilities on power distribution circuits with voltage ratings up to and including 600/1000V (0.6/1kV). UNE standards are released by AENOR (Asociación Española de Normalización y Certificación), the Spanish Association for Standardisation and Certification. As AENOR is a member of ISO, IEC, and CENELEC, many of its standards are harmonized with European and international conventions.

Technical Department

on04/01/2026

What is UNE 21123 Cable?

UNE 21123 standard refers to the design and cross-sectional area specifications for cables used by utilities on power distribution circuits with voltage ratings up to and including 600/1000V (0.6/1kV). UNE standards are released by AENOR (Asociación Española de Normalización y Certificación), the Spanish Association for Standardisation and Certification. As AENOR is a member of ISO, IEC, and CENELEC, many of its standards are harmonized with European and international conventions.

HD 620 is commonly linked to the German national standard DIN VDE 0276 Part 620 and is harmonized with international standard IEC 60502-2. The standard establishes comprehensive construction requirements, dimensional specifications, and test methods that exceed the baseline requirements of IEC 60502-2. Both HD 620 and IEC 60502-2 require compulsory conductor and insulation screening, typically applied through a triple extrusion process with the insulation layer. The test methodology for compliance is set out in HD 605 subclause 2.1.1 for insulation material and HD 605 subclause 2.1.2 for sheath material.

Technical Department

on29/12/2025

What is HD620 Standard Cable?

HD 620 cables are designed for power distribution networks, industrial installations, and infrastructure applications. These medium voltage cables are suitable for permanent installation in various environments including underground, outdoor, and cable ducting installations.

Technical Department

on10/11/2025

What is UNE 21123 Standard Cable?

UNE 21123 is a Spanish electrical cable standard developed by AENOR (Asociación Española de Normalización y Certificación), the Spanish Association for Standardisation and Certification. This standard specifies the design, construction, and cross-sectional area requirements for cables used in power distribution circuits with voltage ratings up to and including 600/1000V (0.6/1 kV).[1] As a member of ISO, IEC, and CENELEC, AENOR develops standards in conjunction with European and international conventions, ensuring that UNE 21123 cables meet both regional and global safety and performance requirements.[2] These cables are widely used in transmission, distribution, and power networks across industrial installations in Europe and beyond.