EN 4049-003:2006

Aerospace series - Thermocouple extension cable - Operating tempera-tures between - 65 °C to 260 °C - Part 003: Single core nickel chro-mium/nickel aluminium - Product standard

This standard specifies the characteristics of thermocouple cables used for the connection between the ther-mocouple and the equipment. Temperatures between - 65 °C and 260 °C (except otherwise specified in the product standard).

Luft- und Raumfahrt - Thermoelement Ausgleichsleitung - Betriebstemperaturen zwischen - 65 °C to 260 °C - Teil 003: Eindadrig Nickel-Chrom und Nickel Aluminium - Produktnorm

Diese Norm legt die Eigenschaften von Thermoelement-Leitungen für die Verbindung zwischen Thermoele¬ment und Geräten fest. Für Temperaturen zwischen - 65 °C und 260 °C (falls nicht anders in der Produktnorm festgelegt).

Série aérospatiale - Câbles, thermocouple - Températures de fonctionnement comprises entre - 65 °C et 260 °C - Partie 003 : Fil simple Nickel chrome/Nickel aluminium - Norme de produit

Aeronavtika - Podaljševalni kabel termočlena - Delovne temperature med –65 °C in 260 °C - 003. del: Enožilni, nikelj-kromov/nikelj- aluminijev - Standard za proizvod

General Information

• Status: Published
• Publication Date: 12-Dec-2006
• Withdrawal Date: 29-Jun-2007
• ICS: 49.060 - Aerospace electric equipment and systems
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 2 - Electrical
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 01-Jun-2017
• Completion Date: 11-Feb-2026
• Ref Project: SIST EN 4049-003:2009 - Aerospace series - Thermocouple extension cable - Operating tempera-tures between - 65 °C to 260 °C - Part 003: Single core nickel chro-mium/nickel aluminium - Product standard

Relations

• Refers: EN 60584-1:2013 - Thermocouples - Part 1: EMF specifications and tolerances
• Effective Date: 09-Feb-2026
• Refers: ISO 8056-1:1985 - Aircraft — Nickel-chromium and nickel-aluminium thermocouple extension cables — Part 1: Conductors — General requirements and tests
• Effective Date: 09-Feb-2026
• Refers: EN 3475-100:2010 - Aerospace series - Cables, electrical, aircraft use - Test methods - Part 100: General
• Effective Date: 28-Jan-2026
• Refers: EN 4049-002:2005 - Aerospace series - Thermocouple extension cable - Operating temperatures between - 65 °C to 260 °C - Part 002: General
• Effective Date: 28-Jan-2026
• Refers: EN 4049-001:2006 - Aerospace series - Thermocouple extension cable - Operating tempera-tures between - 65 °C to 260 °C - Part 001: Technical specification
• Effective Date: 28-Jan-2026
• Refers: EN 9133:2018 - Aerospace series - Quality Management Systems - Qualification Procedure for Aerospace Standard Products
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 4491-1:2023 - Metallic powders - Determination of oxygen content by reduction methods - Part 1: General guidelines (ISO 4491-1:2023)
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-054:2006 - Aerospace series - Electrical contacts used in elements of connection - Part 054: Contacts, electrical, male thermocouple NiAl, type C, crimp, class T - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-057:2006 - Aerospace series - Electrical contacts used in elements of connection - Part 057: Contacts, electrical, female, thermocouple NiCr, type C, crimp, class T- Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-055:2006 - Aerospace series - Electrical contacts used in elements of connection - Part 055: Contacts, electrical, female, thermocouple NiAl, type C, crimp, class T - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-056:2006 - Aerospace series - Electrical contacts used in elements of connection - Part 056: Contacts, electrical, male, thermocouple NiCr, type C, crimp, class T - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 4049-004:2006 - Aerospace series - Thermocouple extension cable - Operating tempera-tures between - 65 °C to 260 °C - Part 004: Two core nickel chro-mium/nickel aluminium shielded and jacketed - Product standard
• Effective Date: 28-Jan-2026

Overview

EN 4049-003:2006 is a European standard published by CEN, specifying the requirements for aerospace-grade thermocouple extension cables with single-core nickel-chromium/nickel-aluminium conductors. These cables are intended for use in operating temperatures ranging from -65 °C to 260 °C, unless otherwise specified. As part of the broader EN 4049 series, this product standard outlines materials, construction, identification, and essential performance characteristics to ensure safe and reliable thermoelectric signal transmission in demanding aerospace environments.

Key Topics

• Single Core Nickel-Chromium / Nickel-Aluminium Cables: The standard applies to cables constructed with single-core conductors of nickel-chromium or nickel-aluminium alloys, recognized for their robustness and stable thermoelectric properties.
• Temperature Range: Designed for continuous operation within -65 °C to 260 °C, suitable for harsh and variable aerospace environments.
• Materials and Construction:
  • Conductors must comply with ISO 8056-1 (Aircraft - Nickel-chromium and nickel-aluminium thermocouple extension cables - General requirements and tests).
  • Insulation systems include tapes of PTFE and polyimide, ensuring chemical resistance, flexibility, and thermal stability.
• Color Coding and Identification: Core color codes and cable markings facilitate accurate installation and maintenance, referencing EN 4049-002 and TR 6058.
• Essential Performance and Testing:
  • Electrical characteristics such as ohmic resistance, voltage proof, and insulation resistance.
  • Mechanical tests including tensile strength, bending, and accelerated ageing.
  • Environmental performance tests for flammability and resistance to fluids.

Applications

EN 4049-003:2006 is pivotal for aerospace manufacturers and suppliers engaged in:

• Aircraft Electrical Systems: Ensuring accurate temperature measurement and monitoring in engines, avionics, and environmental control systems.
• Aerospace Instrumentation: Mandatory for sensor connections where low signal loss and resistance to temperature fluctuations are critical.
• Test and Calibration Setups: Extension cables conforming with this standard are relied upon in laboratories and field environments to ensure compatibility and reliability in data acquisition systems.
• Maintenance and Repair Operations (MRO): Specified qualities for identification, marking, and packaging/labeling ensure efficiency and traceability during component replacement and system upgrades.

The use of standardized extension cables minimizes installation errors, supports interoperability, and assures compliance with international aerospace quality management requirements.

Related Standards

Several related standards offer essential references and supplementary guidance:

• ISO 8056-1: Aircraft - Nickel-chromium and nickel-aluminium thermocouple extension cables - General requirements and tests
• EN 3475-100: Aerospace series - Electrical cables - Test methods (General)
• EN 4049-001: Aerospace series - Thermocouple extension cable - Technical specification
• EN 4049-002: General requirements for thermocouple extension cables in aerospace applications
• EN 9133: Quality management systems - Qualification procedure for aerospace standard parts
• EN 60584-2: Thermocouples - Part 2: Tolerances
• TR 6058: Cable code identification

Practical Value

EN 4049-003:2006 provides a harmonized framework essential for aerospace cable suppliers, engineers, and manufacturers. By adhering to these requirements, organizations ensure the performance, reliability, and safety of electrical temperature measurement systems in mission-critical applications. This standard also supports compliance with broader European and international aerospace directives, fostering global market access and operational excellence.

For stakeholders in the aerospace sector, adopting EN 4049-003:2006 means ensuring compatibility, durability, and traceability in thermocouple extension cable applications, reducing risks associated with temperature measurement errors and system failures.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Thermoelement Ausgleichsleitung - Betriebstemperaturen zwischen - 65 °C to 260 °C - Teil 003: Eindadrig Nickel-Chrom und Nickel Aluminium - ProduktnormSérie aérospatiale - Câbles, thermocouple - Températures de fonctionnement comprises entre - 65 °C et 260 °C - Partie 003 : Fil simple Nickel chrome/Nickel aluminium - Norme de produitAerospace series - Thermocouple extension cable - Operating tempera-tures between - 65 °C to 260 °C - Part 003: Single core nickel chro-mium/nickel aluminium - Product standard49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 4049-003:2006SIST EN 4049-003:2009en,de01-maj-2009SIST EN 4049-003:2009SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 4049-003December 2006ICS 49.060 English VersionAerospace series - Thermocouple extension cable - Operatingtempera-tures between - 65
C to 260
C - Part 003: Single corenickel chro-mium/nickel aluminium - Product standardSérie aérospatiale - Câbles, thermocouple - Températuresde fonctionnement comprises entre - 65
C et 260
C -Partie 003 : Fil simple Nickel chrome/Nickel aluminium -Norme de produitLuft- und Raumfahrt - Thermoelement Ausgleichsleitung -Betriebstemperaturen zwischen - 65
C to 260
C - Teil 003:Eindadrig Nickel-chrom und Nickel Aluminium -ProduktnormThis European Standard was approved by CEN on 28 October 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4049-003:2006: ESIST EN 4049-003:2009
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