SIST EN 3155-003:2020

SLOVENSKI STANDARD
01-januar-2020
Nadomešča:
SIST EN 3155-003:2006
Aeronavtika - Električni kontakti za vezne elemente - 003. del: Kontakti, električni,
ženski, tip A, kodrasti, razred S - Standard za proizvod
Aerospace series - Electrical contacts used in elements of connection - Part 003:
Contacts, electrical, female, type A, crimp, class S - Product standard
Luft- und Raumfahrt - Elektrische Kontakte zur Verwendung in Verbindungselementen -
Teil 003: Elektrische Buchsenkontakte, Typ A, crimpbar, Klasse S - Produktnorm
Série aérospatiale - Contacts électriques utilisés dans les organes de connexion - Partie
003 : Contacts électriques, femelles, type A, à sertir, classe S - Norme de produit
Ta slovenski standard je istoveten z: EN 3155-003:2019
ICS:
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 3155-003
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2019
EUROPÄISCHE NORM
ICS 49.060 Supersedes EN 3155-003:2005
English Version
Aerospace series - Electrical contacts used in elements of
connection - Part 003: Contacts, electrical, female, type A,
crimp, class S - Product standard
Série aérospatiale - Contacts électriques utilisés dans Luft- und Raumfahrt - Elektrische Kontakte zur
les organes de connexion - Partie 003 : Contacts Verwendung in Verbindungselementen - Teil 003:
électriques, femelles, type A, à sertir, classe S - Norme Elektrische Buchsenkontakte, Typ A, crimpbar, Klasse
de produit S - Produktnorm
This European Standard was approved by CEN on 15 April 2019.

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, Turkey 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
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3155-003:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 3
2 Normative references . 3
3 Terms and definitions . 4
4 Required characteristics . 4
5 Designation . 18
6 Marking . 18
7 Technical specification . 18

European foreword
This document (EN 3155-003:2019) has been prepared by the Aerospace and Defence Industries
Association of Europe - Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of
ASD, prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2020, and conflicting national standards shall be
withdrawn at the latest by April 2020.
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 3155-003:2005.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: 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, Turkey and the United
Kingdom.
1 Scope
This document specifies the required characteristics, tests and tooling applicable to female electrical
contacts 003, type A, crimp, class S used in elements of connection according to EN 3155-002.
It shall be used together with EN 3155-001.
The associated male contacts are defined in EN 3155-008.
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 2083, Aerospace series — Copper or copper alloy conductors for electrical cables — Product standard
EN 2591 (all parts), Aerospace series — Elements of electrical and optical connection — Test methods
EN 3155-001, Aerospace series — Electrical contacts used in elements of connection — Part 001: Technical
specification
EN 3155-002, Aerospace series — Electrical contacts used in elements of connection — Part 002: List and
utilization of contacts
EN 3155-008, Aerospace series — Electrical contacts used in elements of connection — Part 008: Contacts,
electrical, male, type A, crimp, class S — Product standard
EN 3545-001, Aerospace series — Connectors, electrical, rectangular, with sealed and non-sealed rear,
plastic housing, locking device, operating temperatures − 55 °C to 175 °C — Part 001: Technical specification
EN 4165-001, Aerospace series — Connectors, electrical, rectangular, modular — Operating temperature
175 °C continuous — Part 001: Technical specification
EN 4434, Aerospace series — Copper or copper alloy lightweight conductors for electrical cables — Product
standard (Normal and tight tolerances)
)
ISO 8843, Aircraft — Crimp-removable contacts for electrical connectors — Identification system
)
SAE-AS 22520, Crimping tools, wire termination, general specification for
2)
SAE-AS 81969, Installing and removal tools, connector electrical contact, general specification for
TR 4837, Aerospace series — Applicable crimping tools for electrical contact product standards
3)
EN 3155-003, EN 3155-008 and EN 3155-009 for contact size # 10 and barrel size # 10 only
TR 4843, Aerospace series — Applicable crimping tools for electrical contact product standards
4)
EN 3155-003, EN 3155-008 and EN 3155-009 for contact size #20 and barrel size #22 only
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 3155-001 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• ISO Online browsing platform: available at http://www.iso.org/obp
• IEC Electropedia: available at http://www.electropedia.org/
4 Required characteristics
4.1 Specific characteristics
Type A contacts are for general application and class S corresponds to an operating temperature range
from − 65 °C to 200 °C.
4.2 Dimensions and mass
See Figure 1 to Figure 8 and Table 1.
Dimensions and tolerances are given in millimetres and apply after surface treatment.

1)
Published by: ISO International Organization for Standardization, http://www.iso.ch/
2)
Published by: SAE National (US) Society of Automotive Engineers, http://www.sae.org/
e date of publication of this standard by AeroSpace and Defence
3) Published as ASD-STAN Technical Report at th
industries Association of Europe - Standardization (ASD-STAN)
, www.asd-stan.org
) In preparation at the date of publication of this standard.
Concent
ricity
Ø
Ø Ø betwee
General
0, 0, n Ø C
concent
1 08 and Ø D
ricity
for size
Ø
Concentricity between Ø C and Ø D for all size
0,0
contacts except size 22
Key
1 Position of the first point and the maximum length of electrical contact (point at which a square ended minimum
gauge pin of the same basic diameter as the mating contact first engages the female contact spring member)
(see EN 3155-001 for active area definition).
2 Colour bands, see Table 2.
3 One side only
4 Manufacturer identification
5 This dimension represents the length to allow full pin engagement
6 Ø A represents the bore
7 Break allowed
8 Clearance between sleeve and body of the contact 0,15 max. for contact size 22,
0,25 max. for other contacts
9 Not applicable for contact size 22
Figure 1 — Connector contact
Figure 2 — Detail S – Contact size 22 barrel size 22

Key
1 Identification groove (optional)
2 Retention groove
Figure 3 — Detail T – Contact size 22 barrel size 22
Figure 4 — Detail U – Contact size 20 barrel size 22

Figure 5 — Detail V – Contact size 12 barrel size 14
Figure 6 — Detail W – Contact size 10
Optional design
Key Key
1 The max entry diameter shall be compliant 1 One full radius permissible
with the value defined in EN 3155-001 test
2 The max entry diameter shall be compliant
...