SIST EN 3375-011:2025

Aerospace series - Cable, electrical for digital data transmission - Part 011: Single braid - Star Quad 100 ohms - Lightweight - Type KL - Product standard

This document specifies the dimensions, tolerances, required characteristics and the mass of an AWG 24 shielded quad cable, type KL, intended for high speed (100 Mbit/s) full duplex Ethernet networks.
Linked to this particular application, the operating temperatures of the cable are between −65 °C and 125 °C.
This cable is laser markable, this marking satisfies the requirements of EN 3838.
The characteristics impedance is 100 Ω ± 15 Ω.

Luft- und Raumfahrt - Elektrische Leitungen für Digitaldatenübertragungen - Teil 011: Einfach geschirmt - Sternvierer 100 Ohm - Leichtbauweise - Typ KL - Produktnorm

Dieses Dokument legt die Maße, die Grenzabmaße, die Anforderungen und die Masse eines AWG 24-Quadkabels, einfach geschirmt, Typ KL, für schnelle Duplex-Ethernet-Netze (100 Mbit/s) fest.
Für diesen speziellen Anwendungsfall liegen die Betriebstemperaturen der Leitungen zwischen −65 °C und 125 °C.
Diese Leitung ist laserbedruckbar, diese Bedruckung entspricht den Anforderungen von EN 3838.
Der Wellenwiderstand beträgt 100 Ω ± 15 Ω.

Série aérospatiale - Câbles électriques pour transmission de données numériques - Partie 011 : Simple tresse - Quarte en étoile 100 ohms - Allégée - Type KL - Norme de produit

Le présent document spécifie les dimensions, les tolérances, les caractéristiques requises et la masse d’un câble blindé à quarte en étoile AWG 24, de type KL, destiné aux réseaux Ethernet haut débit (100 Mbit/s) en duplex intégral.
En lien avec cette application spécifique, les températures d’utilisation du câble se situent entre -65 °C et 125 °C.
Il est possible d’appliquer un marquage par laser sur ce câble. Ce marquage satisfait aux exigences de l’EN 3838.
L’impédance caractéristique est de 100 Ω ± 15 Ω.

Aeronavtika - Električni kabli za digitalni prenos podatkov - 011. del: Enojni oplet - Štirižilni zvezdasti kabel, 100 ohm - Lahki - Tip KL - Standard za proizvod

Ta dokument določa mere, tolerance, zahtevane lastnosti in maso oklopljenega štirižilnega kabla AWG 24 tipa KL, ki je namenjen hitrim (100 Mbit/s) ethernetnim omrežjem s polnim dupleksom. V povezavi s to uporabo so obratovalne temperature kabla med −65 °C in 125 °C. Ta kabel je mogoče označiti z laserjem; oznaka izpolnjuje zahteve standarda EN 3838. Karakteristična impedanca je 100 Ω ± 15 Ω.

General Information

• Status: Published
• Public Enquiry End Date: 03-Oct-2023
• Publication Date: 15-May-2025
• ICS: 29.060.20 - Cables
• ICS: 49.060 - Aerospace electric equipment and systems
• ICS: 49.090 - On-board equipment and instruments
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 15-May-2025
• Due Date: 20-Jul-2025
• Completion Date: 16-May-2025
• Ref Project: EN 3375-011:2025 - Aerospace series - Cable, electrical for digital data transmission - Part 011: Single braid - Star Quad 100 ohms - Lightweight - Type KL - Product standard

Relations

• Revised: SIST EN 3375-011:2023 - Aerospace series - Cable, electrical for digital data transmission - Part 011: Single braid - Star Quad 100 ohms - Lightweight - Type KL - Product standard
• Effective Date: 19-Jan-2023

Overview

EN 3375-011:2025 is a CEN aerospace product standard for a lightweight, single-braid Star Quad shielded cable (Type KL) intended for high‑speed full‑duplex Ethernet (100 Mbit/s) on aircraft. It defines the physical dimensions, materials, required electrical and mechanical characteristics, marking and test requirements for an AWG 24 shielded quad cable with a characteristic impedance of 100 Ω ± 15 Ω and operating temperature range −65 °C to 125 °C. The cable is laser‑markable and the marking complies with EN 3838.

Key topics and technical requirements

• Configuration and dimensions
  • AWG 24 stranded conductors: diameter 0.598–0.656 mm
  • Insulation diameter: ≤ 1.52 mm
  • Outer diameter: 4.10–4.50 mm
  • Mass: ≤ 32.4 g/m
  • Braid strand diameter: ≥ 0.08 mm
  • Minimum bending radii: dynamic 10× OD, static 5× OD
  • Colour coding: jacket light blue; pair 1 red/blue, pair 2 yellow/green
• Materials
  • Conductors and braid: silver‑plated copper
  • Insulation and jacket: fluoropolymer
  • Optional protection tape and filler (fluoropolymer) - filler optional per 2025 update
• Electrical and performance parameters
  • Characteristic impedance: 100 Ω ± 15 Ω
  • Conductor loop resistance: max 192 Ω/km
  • Screen resistance: max 20 mΩ/m
  • Insulation resistance: ≥ 1 500 MΩ·km at 20 °C
  • Surface resistance: 1 250 MΩ·mm
  • Laser markability verified per EN 3475‑706
• Testing and quality assurance
  • Tests referenced to the EN 3475 series (dimensions, mass, resistance, voltage proof, attenuation, characteristic impedance, crosstalk, transfer impedance, thermal and mechanical tests such as shrinkage, delamination, thermal shock and bending)
  • Marking and identification rules per EN 3375‑002 and TR 6058

Applications and who uses it

• Aerospace and avionics manufacturers specifying cable assemblies for aircraft Ethernet and digital data links (100BASE‑TX applications)
• Cable manufacturers producing lightweight, star quad shielded Ethernet cables to aerospace product standards
• Procurement specialists and aircraft OEMs evaluating weight, environmental and electrical performance for in‑aircraft networking
• Design and installation engineers working on avionics networks exposed to extreme temperatures and demanding mechanical conditions
• Certification and test laboratories verifying compliance with EN 3375‑011:2025 and related EN 3475 test methods

Related standards

• EN 3375‑001 (technical specification) and EN 3375‑002 (general)
• EN 3838 (marking requirements)
• EN 3475 series (aerospace cable test methods), including parts for characteristic impedance (EN 3475‑805), attenuation (EN 3475‑806), laser markability (EN 3475‑706) and others

Keywords: EN 3375-011:2025, aerospace cable, star quad, AWG 24, 100 ohm, Type KL, lightweight Ethernet cable, aerospace standard, shielded quad, laser markable.

Standards Content (Sample)

SLOVENSKI STANDARD
01-julij-2025
Aeronavtika - Električni kabli za digitalni prenos podatkov - 011. del: Enojni oplet -
Štirižilni zvezdasti kabel, 100 ohm - Lahki - Tip KL - Standard za proizvod
Aerospace series - Cable, electrical for digital data transmission - Part 011: Single braid -
Star Quad 100 ohms - Lightweight - Type KL - Product standard
Luft- und Raumfahrt - Elektrische Leitungen für Digitaldatenübertragungen - Teil 011:
Einfach geschirmt - Sternvierer 100 Ohm - Leichtbauweise - Typ KL - Produktnorm
Série aérospatiale - Câbles électriques pour transmission de données numériques -
Partie 011 : Simple tresse - Quarte en étoile 100 ohms - Allégée - Type KL - Norme de
produit
Ta slovenski standard je istoveten z: EN 3375-011:2025
ICS:
29.060.20 Kabli Cables
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 3375-011
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2025
EUROPÄISCHE NORM
ICS 49.090 Supersedes EN 3375-011:2022
English Version
Aerospace series - Cable, electrical for digital data
transmission - Part 011: Single braid - Star Quad 100 ohms
- Lightweight - Type KL - Product standard
Série aérospatiale - Câbles électriques pour Luft- und Raumfahrt - Elektrische Leitungen für
transmission de données numériques - Partie 011 : Digitaldatenübertragungen - Teil 011: Einfach
Simple tresse - Quarte en étoile 100 ohms - Allégée - geschirmt - Sternvierer 100 Ohm - Leichtbauweise -
Type KL - Norme de produit Typ KL - Produktnorm
This European Standard was approved by CEN on 25 November 2024.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3375-011:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 6
4 Required characteristics . 7
4.1 Configuration, dimensions, tolerances and mass. 7
4.2 Material . 8
4.3 General characteristics . 8
5 Tests . 8
6 Quality assurance . 15
7 Identification and marking (according to EN 3375-002 and TR 6058) . 15
7.1 Designation . 15
7.2 Short designation . 15
7.3 Marking on cable . 16
7.4 Colour of the marking on the jacket . 16
7.5 Colour of components . 16
8 Packaging . 16
9 Technical specification . 16
Annex A (informative) Standard evolution form . 17
Bibliography . 18

European foreword
This document (EN 3375-011:2025) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by November 2025, and conflicting national standards shall be
withdrawn at the latest by November 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 3375-011:2022.
EN 3375-011:2022-12:
— editorial improvements and update of Table 2 to make “Filler” optional.
See Annex A for a historical list of changes.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this document: Austria, Belgium, Bulgaria, Croatia, Cyprus,
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
1 Scope
This document specifies the dimensions, tolerances, required characteristics and the mass of an
AWG 24 shielded quad cable, type KL, intended for high speed (100 Mbit/s) full duplex Ethernet
networks.
Linked to this particular application, the operating temperatures of the cable are between −65 °C and
125 °C.
This cable is laser markable, this marking satisfies the requirements of EN 3838.
The characteristics impedance is 100 Ω ± 15 Ω.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 3375-001, Aerospace series — Cable, electrical, for digital data transmission — Part 001: Technical
specification
EN 3375-002, Aerospace series — Cable, electrical, for digital data transmission — Part 002: General
EN 3475-100, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 100: General
EN 3475-201, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 201: Visual
examination
EN 3475-202, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 202: Mass
EN 3475-203, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 203: Dimensions
EN 3475-301, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 301: Ohmic
resistance per unit length
EN 3475-302, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 302: Voltage
proof test
EN 3475-303, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 303: Insulation
resistance
EN 3475-304, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 304: Surface
resistance
EN 3475-306, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 306: Continuity
of conductors
EN 3475-307, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 307: Corona
extinction voltage
EN 3475-401, Aerospace series — Cables, electrical, aircraft use — Test Methods — Part 401: Accelerated
ageing
EN 3475-402, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 402: Shrinkage
and delamination
EN 3475-403, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 403:
Delamination and blocking
EN 3475-404, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 404: Thermal
shock
EN 3475-405, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 405: Bending at
ambient temperature
EN 3475-406, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 406: Cold bend
test
EN 3475-407, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 407:
Flammability
EN 3475-411, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 411: Resistance
to fluids
EN 3475-501, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 501: Dynamic
cut-through
EN 3475-502, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 502: Notch
propagation
EN 3475-503, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 503: Scrape
abrasion
EN 3475-505, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 505: Tensile test
on conductors and strands
EN 3475-506, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 506: Plating
continuity
EN 3475-507, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 507: Adherence
of plating
EN 3475-508, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 508: Plating
thickness
EN 3475-513, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 513:
Deformation resistance (installation with plastic cable ties)
EN 3475-601, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 601: Smoke
density
EN 3475-602, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 602: Toxicity
EN 3475-701, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 701:
Strippability and adherence of insulation to the conductor
EN 3475-702, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 702: Screen
pushback capability
EN 3475-703, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 703: Permanence
of manufacturer’s marking
EN 3475-705, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 705: Contrast
measurement
EN 3475-706, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 706: Laser
markability
EN 3475-801, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 801: Capacitance
per unit length
EN 3475-802, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 802: Capacitance
unbalance
EN 3475-804, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 804: Velocity of
propagation
EN 3475-805, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 805:
Characteristic impedance
EN 3475-806, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 806: Attenuation
EN 3475-807, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 807: Transfer
impedance
EN 3475-808, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 808: Cross-talk
EN 3475-809, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 809: Resistance
unbalance
EN 3475-810, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 810: Structural
return loss
EN 3475-811, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 811: Unbalance
attenuation
Aerospace series — Cable code identification list
TR 6058,
3 Terms and definitions
For the purposes of this document the terms and definitions given in EN 3475-100 apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/

Published as ASD-STAN TR, available at: https://www.asd-stan.org/.
4 Required characteristics
4.1 Configuration, dimensions, tolerances and mass
The configuration, dimensions and tolerances shall be in accordance with Figure 1 and Table 1.
Mass: ≤ 32,4 g/m.
Dimensions are in millimetres
NOTE No. of elements in accordance with Table 2.
Figure 1 — Configuration, dimensions and tolerances
Table 1 — Dimensions, tolerances and general characteristics
a
Stranded conductor (⌀ A) 0,598 mm ≤ ⌀ ≤ 0,656 mm
a
Insulation diameter (single wire) ⌀ ≤ 1,52 mm
Braid, shield Strand diameter: ≥ 0,08 mm
Outer diameter of cable (⌀ B) 4,10
...