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Underground cables

EAXeVB

Belgian NBN aluminium installation/distribution cable (aluminium EXVB, longitudinally watertight), 0.6/1 kV

0.6/1 kV CPR Eca NBN HD 603-5A
AL/XLPE/PVC/PVC On request Lead time: On request; the lead time is stated in the quote. Send your enquiry
Application

EAXeVB is the aluminium, longitudinally watertight EXVB for 0.6/1 kV: lighter and more economical for large cross-sections, with XLPE insulation, a water blocking tape and a black PVC sheath. For service connections, sub-distribution and feeders. Supplied to order; the lead time is stated in the quote.

EAXeVB is the aluminium, longitudinally watertight version of the Belgian EXVB cable to NBN HD 603-5A for 0.6/1 kV power and distribution circuits where the lower weight and cost of aluminium are wanted. The aluminium conductors (solid or stranded) are insulated with cross-linked polyethylene (XLPE), assembled with a PVC bedding (common core covering) over a water blocking tape for longitudinal water-tightness, and protected by a black PVC outer sheath. EAXeVB is used for building service connections, sub-distribution and feeders on trays, in ducts and buried with protection. We supply EAXeVB from about 35 mm², where aluminium pays off. For smaller cross-sections choose the copper EXVB, indoors the XVB.

Belgian standardAluminiumDistribution

Also known as: aluminium connection cable

Applications

  • Building service connections, sub-distribution and feeders.
  • Large cross-sections where aluminium cuts weight and cost.
  • On trays, in ducts and buried with protection.

What to look out for

  • Aluminium: bimetallic lugs or terminals approved for aluminium, clean and grease the contact face. Aluminium directly on a copper busbar corrodes.
  • From about 35 mm². For smaller sizes choose the copper EXVB, indoors the XVB.
  • The e stands for longitudinally watertight: a water blocking tape stops water travelling along the cable. Without that tape the aluminium cable is called EAXVB.
  • EAXeVB is Eca. Under the AREI an Eca cable may only be laid singly, at least 2 cm from other cables, and in rooms with a normal fire risk. Bundled, the AREI calls for Cca.
Construction
Conductor
Aluminium, solid class 1 (RE) or stranded class 2 (RM) acc. to IEC 60228.
Insulation
Cross-linked polyethylene (XLPE), 90 °C rated.
Core identification
Coloured cores acc. to HD 308 S2, with or without green/yellow earth.
Longitudinal water tightness
Water blocking tape under the bedding.
Bedding
PVC common core covering (filler).
Outer sheath
Polyvinyl chloride (PVC), black.
Electrical & thermal properties
Rated voltage Uo/U
0.6/1 kV.
Test voltage
3.5 kV AC.
Standard
NBN HD 603-5A; conductor acc. to IEC 60228 (aluminium). Reaction to fire (CPR) Class Eca acc. to EN 50575 / EN 13501-6.
Flame-retardant
Acc. to IEC 60332-1-2.
Max. conductor temperature
+90 °C (short circuit +250 °C, max. 5 s).
Permitted ambient temperature, fixed
−15 °C to +60 °C; min. laying temperature +5 °C.
Min. bending radius, fixed
12 × outer diameter.
Which one do I choose?

EAXeVB or EXVB?

EAXeVB

  • aluminium conductors

EXVB

  • copper conductors

EAXeVB has aluminium conductors and a water blocking tape that makes the cable longitudinally watertight; EXVB has copper conductors. Both have XLPE insulation and a black PVC sheath. EAXeVB is lighter and more economical in the large cross-sections, but needs terminals approved for aluminium. For smaller cross-sections choose EXVB.

View EXVB →

EAXeVB or EAXeGB?

EAXeVB

  • PVC bedding and sheath
  • CPR class Eca

EAXeGB

  • halogen-free and low-smoke (LSZH)
  • CPR class Cca-s1,d2,a1

Both have aluminium conductors, XLPE insulation and a water blocking tape against water travelling along the cable. EAXeVB has a PVC bedding and sheath and CPR class Eca. EAXeGB is halogen-free and low-smoke (LSZH), with class Cca-s1,d2,a1. If the project calls for halogen-free or a higher fire class, choose EAXeGB; otherwise EAXeVB will do.

View EAXeGB →