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Standard

NEK EN 50483-5:2026

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Abstract

The EN 50483 series applies to overhead line fittings for tensioning, supporting and connecting aerial bundled cables (ABC) of rated voltage U0/U (Um): 0,6/1 (1,2) kV.This document applies to the connections described in EN 50483-4, including branch connectors, Insulation Piercing Connectors (IPC), pre-insulated lugs (terminals) and through pre-insulated connectors (sleeves).Two classes of connectors are covered by this document:- Class A: These are connectors intended for electricity distribution or industrial networks in which they can be subjected to short-circuits of relatively high intensity and duration. As a consequence, Class A connectors will be suitable for the majority of applications.- Class B: These are connectors for networks in which overloads or short-circuits are rapidly cleared by the operation of protection devices.Depending on their application, the connectors are subjected to heat cycles and short-circuit current tests.Class A: the connectors are subjected to heat cycles and short-circuit current tests.Class B: the connectors are subjected to heat cycles only.The object of this document is to define the heating cycles test methods and requirements which apply to compression through connectors, insulation piercing connectors and all other type of connections for low voltage aerial bundled cables.

Document information

  • Standard from NEK
  • Published:
  • Edition: 2026-04
  • Version: 1
  • Document type: NAT
  • ICS 29.240.20

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