Aerospace series - Electrical contacts used in elements of connection - Part 001: Technical specification

This standard specifies:
-   the electrical, mechanical, environmental and dimensional characteristics of electrical contacts used in elements of connection, including coaxial, triaxial and quadrax contacts;
-   the conditions for qualification, acceptance testing and quality assurance;
-   the test programmes and groups.
It is applicable to removable crimp contacts, wrap contacts, solder contacts used in connectors or in other elements of electrical connection.

Luft- und Raumfahrt - Elektrische Kontakte zur Verwendung in Verbindungselementen - Teil 001: Technische Lieferbedingungen

Diese Norm legt
die elektrischen, mechanischen, umweltspezifischen und maßlichen Eigenschaften von elektrischen
Kontakten zur Verwendung in elektrischen Verbindungselementen, einschließlich koaxialer, triaxialer und
quadraxialer Kontakte;
die Qualifikations-, Abnahmeprüf- und Qualitätssicherungsbedingungen;
die Prüfprogramme und Prüfungen
fest.
Sie gilt für lösbare Crimp-, Wickel- und Löt-Kontakte, die in Steckverbindern oder anderen elektrischen
Verbindungselementen verwendet werden.

Série aérospatiale - Contacts électriques utilisés dans les organes de connexion - Partie 001: Spécification technique

Aeronavtika - Električni kontakti za uporabo v veznih elementih - 001. del: Tehnična specifikacija

General Information

Status
Withdrawn
Publication Date
30-Mar-2009
Withdrawal Date
21-Sep-2016
Technical Committee
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
22-Sep-2016
Due Date
15-Oct-2016
Completion Date
22-Sep-2016

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Elektrische Kontakte zur Verwendung in Verbindungselementen - Teil 001: Technische LieferbedingungenSérie aérospatiale - Contacts électriques utilisés dans les organes de connexion - Partie 001: Spécification techniqueAerospace series - Electrical contacts used in elements of connection - Part 001: Technical specification49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 3155-001:2009SIST EN 3155-001:2009en01-maj-2009SIST EN 3155-001:2009SLOVENSKI
STANDARD



SIST EN 3155-001:2009



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3155-001February 2009ICS 49.060 English VersionAerospace series - Electrical contacts used in elements ofconnection - Part 001: Technical specificationSérie aérospatiale - Contacts électriques utilisés dans lesorganes de connexion - Partie 001: Spécification techniqueLuft- und Raumfahrt - Elektrische Kontakte zur Verwendungin Verbindungselementen - Teil 001: TechnischeLieferbedingungenThis European Standard was approved by CEN on 21 June 2008.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 CEN 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, 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:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3155-001:2009: ESIST EN 3155-001:2009



EN 3155-001:2009 (E) 2 Contents Page Foreword .31Scope .42Normative references .43Terms and definitions .54Conditions of use.65Design and description .76Dimensions and mass . 127Operation . 128Tests . 129Quality assurance . 2110Designation and marking . 3111Delivery conditions . 3212Packaging . 3213Storage . 32Annex A (normative)
Symbols of contact sizes in contact arrangement drawings . 33 SIST EN 3155-001:2009



EN 3155-001:2009 (E) 3 Foreword This document (EN 3155-001:2009) 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 August 2009, and conflicting national standards shall be withdrawn at the latest by August 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This standard was reviewed by the Domain Technical Coordinator of ASD-STAN's Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STAN's General Process Manual, this standard has received approval for Publication. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, 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 the United Kingdom.
SIST EN 3155-001:2009



EN 3155-001:2009 (E) 4 1 Scope This standard specifies:  the electrical, mechanical, environmental and dimensional characteristics of electrical contacts used in elements of connection, including coaxial, triaxial and quadrax contacts;  the conditions for qualification, acceptance testing and quality assurance;  the test programmes and groups. It is applicable to removable crimp contacts, wrap contacts, solder contacts used in connectors or in other elements of electrical connection. 2 Normative references The following referenced documents are indispensable for the application 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 2242, Aerospace series — Control of tools used for crimping of electrical cables with conductors defined by EN 2083 and EN 2346 1) EN 2591-100*, Aerospace series — Elements of electrical and optical connection — Test methods — Part 100: General EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace standard parts IEC 60352-1, Solderless connections — Part 1: Wrapped connections — General requirements, test methods and practical guidance 2) ISO 1302, Geometrical Product Specifications (GPS) — Indication of surface texture in technical product
documentation ISO 2859-1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by
acceptance quality limit (AQL) for lot-by-lot inspection ISO 4524-1, Metallic coatings — Test methods for electrodeposited gold and gold alloy coatings — Part 1: Determination of coating thickness ISO 4524-5, Metallic coatings — Test methods for electrodeposited gold and gold alloy coatings — Part 5: Adhesion tests ISO 8843, Aircraft — Crimp-removable contacts for electrical connectors — Identification system
* All parts quoted in Table 2. 1) Published as ASD Prestandard at the date of publication of this standard. 2) Published by International Electrotechnical Commission (IEC), 3 rue de Varembé, 1211 Geneva 20, Switzerland.
SIST EN 3155-001:2009



EN 3155-001:2009 (E) 5 3 Terms and definitions For the purposes of this document, the following terms and definitions apply: See EN 2591-100. 3.1 point of electrical contact position of point of application of the force which provides contact pressure 3.2 contact active area part of the contact which allows current to pass between the contact and another element 3.3 coaxial contact male or female assembly of two contacts arranged coaxially enabling theconnection of coaxial, shielded or bifilar cables See Figure 1. NOTE 1 Male coaxial contact where the outer contact is male;the central contact(s) may be male or female. NOTE 2 Female coaxial contact where the outer contact isfemale; the central contact(s) may be male or female. Coupling face
Key 1 Centre contact 2 Outer contact Figure 1 3.4 triaxial contacts male or female assembly of three contacts arranged coaxially, enabling the connection of shielded triaxial or bifilar cables See Figure 2. NOTE 1 Male triaxial contact where the outer contact is male;the central contact(s) may be male or female. NOTE 2 Female triaxial contact where the outer contact isfemale; the central contact(s) may be male or female.
Key 1 Centre contact 2 Intermediate contact 3 Outer contact Figure 2 SIST EN 3155-001:2009



EN 3155-001:2009 (E) 6 3.5 bifilar contact (twinax) assembly of three contacts, two of which are parallel, the third being peripheral to these, enabling the connection of shielded bifilar cables See Figure 3.
Key 1 Twin parallel contacts 2 Outer contact Figure 3 3.6 quadrax contact assembly of five contacts, four of which are parallel, the fifth being peripheral to these, enabling the connection of shielded quadrax cables See Figure 4.
Key 1 Four parallel contacts 2 Outer contact Figure 4 4 Conditions of use 4.1 Types of contact The contact specified shall be one of the following types:  Type A: contact for general application;  Type C: contact for thermocouple;  Type D: contact with screening feature (including the coaxial contacts, triaxial contacts and bifilar contacts). These have no characteristic impedance and are therefore not recommended for use at high frequency.  Type E: contact with screening feature, including coaxial, triaxial, bifilar and quadrax contacts. These have matched impedance. NOTE Non-removable contacts are defined in the connector specifications. 4.2 Temperature classes The contacts specified shall be from one of the classes specified below: SIST EN 3155-001:2009



EN 3155-001:2009 (E) 7  class P: maximum operating temperature 125 °C;  class R: maximum operating temperature 150 °C;  class S: maximum operating temperature 200 °C;  class T: maximum operating temperature 260 °C;  class U: maximum operating temperature 350 °C. The minimum operating temperature shall be − 65 °C, unless otherwise specified in the product standard. 4.3 Permissible wires and cables 4.3.1 The conductors which are acceptable in the crimping barrels and the coding by means of colour bands are specified in ISO 8843. The contact detail specification shall state the acceptable conductors for each size of contact. 4.3.2 The type of cable, coaxial, triaxial, etc. shall be specified in the product standard. 5 Design and description 5.1 Design 5.1.1 General
This standard covers male and female contacts of all types and technologies: cylindrical or rectangular entry contacts, flat contacts of the blade type, etc., stamped, formed or machined contacts. 5.1.2 Mating end of female contact, cylindrical contacts Unless otherwise stated in the product standard, the mating end of female contacts from size 12 to 24, shall be of the restricted entry type and shall not permit the introduction of a gauge which has a diameter 0,13 mm greater than the maximum diameter of the male contact. 5.1.3 Mating end of male contacts, cylindrical contacts Unless otherwise stated in the product standard, the mating end of the male contacts shall be approximately spherical. A flat is permitted at the end; its dimensions are given in Table 1.
SIST EN 3155-001:2009



EN 3155-001:2009 (E) 8
Table 1 Contact size Contact diameter Diameter of flat at the end Contact size Contact diameter Diameter of flat at the end mm mm mm mm
28 a
0,394 0,368 0,19 max. 10 3,20 3,15 2,08 1,57
26 a 0,521 0,495 0,25 max. 8 3,63 3,58 2,18 1,68
24 a 0,648 0,622 0,30 max. 6 4,55 4,50 2,44 1,93 22 0,775 0,750 0,35 max. 4 5,74 5,69 2,79 2,29 20 1,04 0,99 0,51 0,13 2 7,21 7,16 4,27 3,76 16 1,61 1,56 0,81 0,43 0 9,09 9,04 6,15 5,64 14 2,01 1,96 0,99 0,61 2/0 10,34 10,29 7,39 6,88 12 2,41 2,36 1,57 1,19 4/0 12,72 12,67 9,80 9,27 a Inner contact of type D or type E.
5.1.4 Solder buckets The buckets shall be designed so that during soft soldering operations, the liquid solder cannot run towards the end of the contact. 5.1.5 Crimp barrels Barrels shall be designed to accept the range of permissible conductors according to ISO 8843. The use of a reducing sleeve is not recommended; this remains the responsibility of the user and shall be subject to acceptance by the relevant authorities. 5.1.6 Terminations for wrapped connections The terminations for wrapped connections shall comply with IEC 60352-1. 5.1.7 Surface roughness (see ISO 1302) The surface roughness after coating in the male contact zone shall not exceed Ra = 0,8 µm (or N6); in the other zones, it shall not exceed Ra = 1,6 µm (or N7). SIST EN 3155-001:2009



EN 3155-001:2009 (E) 9 5.1.8 Engagement sequence The engagement sequence for coaxial and quadrax contacts shall be outer contact, then inner contacts. Unless otherwise specified in the product standard, the engagement sequence for triaxial contacts shall be: outer contact, intermediate contact, centre contact. 5.2 Materials The materials used in the manufacture of contacts shall be consistent with those indicated in the definition document. When dissimilar metals are in close contact, the electromotive force of the galvanic couple shall not exceed 0,25 V. 5.3 Metallic protective plating 5.3.1 General
The protective coating may be either uniform over the entire surface of the contact, or it may be selective. The protection shall be thicker in the contact active areas. The minimum thickness of protection for active areas may or may not be specified in the product standard. The entire contact shall have an appropriate undercoat (silver undercoat is prohibited), with the exception of fittings or retaining features such as springs or spring clips which may be made of a corrosion resisting material. 5.3.2 Uniform protection The entire surface of the contacts shall be protected in accordance with the requirements of each product standard. 5.3.3 Selective protection If required by the product standard, selective plating shall be applied as shown in Figures 1 to 8, depending on the particular case. Protection shall be complete in contact active areas X and Y. In the other zones, the thickness of the protections is not generally specified. Outside contact active areas X and Y, a change in colour of the gold plating is not a reason for rejection. SIST EN 3155-001:2009



EN 3155-001:2009 (E) 10
Key 1 Male contact of maximum diameter 2 Contact active area X (internal diameter) 3 Clip 4 Contact active area X 5 Point of electrical contact Figure 5 — Female contact with integral contact pressure element
Key 1 Contact active area X Figure 6 — Female contact with separate pressure elements
Key 1 Contact active area Y Figure 7 — Male contact SIST EN 3155-001:2009



EN 3155-001:2009 (E) 11
Key 1 Point of electrical contact 2 Contact active area X Figure 8 — Tuning fork contact
Key 1 Contact active area Y
Figure 9 — Blade contact
Key 1 Contact active area Y Figure 10 — Male contact, coaxial Key 1 Contact active area X Figure 11 — Female contact, coaxial
SIST EN 3155-001:2009



EN 3155-001:2009 (E) 12
Key 1 Contact active area Y Figure 12 — Male contact, triaxial
Key 1 Contact active area X Figure 13 — Female contact, triaxial
Key 1 Contact active area Y Figure 14 — Male contact, quadrax
Key 1 Contact active area X Figure 15 — Female contact, quadrax
6 Dimensions and mass The dimensions of the contacts and their mass are defined in the product standard. 7 Operation The tools for connecting and installing the contacts are defined in the product standard. 8 Tests See Table 2. All the tests are carried out without elements of connection, with the exception of tests EN 2591-402, EN 2591-403, EN 2591-406 and EN 2591-415. SIST EN 3155-001:2009



EN 3155-001:2009 (E) 13 Table 2 EN 2591- Test Details 101 Visual examination Initial examination: before and after wiring Details to be examined: – identification of materials in accordance with definition document; – identification; – aspect before and after wiring; – marking; – surface roughness in accordance with 5.1.7. For crimped terminations, after wiring, the crimp joint shall be examined (10 times magnification) for cracking exposing the base metal. 102 Examination of dimensions and mass In accordance with the product standard. 201 Contact resistance - low level Applicable to type A contacts of size 20 and smaller and to type D and E contacts.
– Type A, D and E contacts Unless otherwise specified in the product standard, the contact resistance shall not exceed the maximum values given below (in mΩ).
Contact size Type A
Initially After
tests
≤ 24
– a
– a
22 8 11
20 5 7
a To be specified in the product standard.
The contact resistance values for type D and E shall be specified in the product standard. 202 Contact resistance at rated current Applicable to type A, D and E contacts.
– Type A, D and E contacts Unless otherwise specified in the product standard, the contact resistance shall not exceed the maximum values given below (in mΩ).
Type A
Contact size At ambient temperature At high temperature
Initially After tests Class P125 °C Class R150 °C Class S 200 °C Class T 260 °C Class U350 °C
24
– a
– a
– a
– a
– a
– a
– a
22 8 11 12 12,8 13,6 14,4
– a
20 5 7 7,5 8 8,5 9
– a
16 3 5 4,5 4,8 5,1 5,4
– a
≥ 12 2 3 3 3,2 3,4 3,6
– a
a To be specified in the product standard.
Type D and E The contact resistance values shall be specified in the product standard. continued SIST EN 3155-001:2009



EN 3155-001:2009 (E) 14 Table 2 (continued) EN 2591- Test Details 203 Electrical continuity at microvolt level Where applicable 204 Discontinuity of contacts in the microsecond range Duration of discontinuity ≤ 1 µs For type D and E contacts: duration of discontinuity specified in the product standard. Method B Test duration: throughout the duration of tests EN 2591-402 (Shock) and EN 2591-403 (Vibrations). 205 Housing (shell) electrical continuity Not applicable 206 Measurement of insulation resistance Method C – Contact type D or E Otherwise specified in the product standard, the value shall be: – At room temperature ≥ 5 GΩ – At high temperature ≥ 2 GΩ at the maximum temperature specified. 207 Voltage proof test Method C – Contact type D and E The values for: – voltage to apply – pressure – leakage current shall be defined in the product standard. 208 Temperature rise due to rated current Not applicable 209 Current temperature derating Not applicable 210 Electrical overload Cylindrical contacts type A.
Contact size Current A Duration s Contact size Current A Duration s
28 Not applicable 10 66 330 40 0,6
26 Not applicable 8 92 460 40 0,6
24 5 25 40 0,6 6 120 600 40 0,6
22 10 50 40 0,6 4 160 800 40 0,6
20 15 75 40 0,6 2 200 1 000 40 0,6
16 26 130 40 0,6 0 300 1 500 40 0,6
14 36 180 40 0,6 2/0 370 1 850 40 0,6
12 46 230 40 0,6 4/0 450 2 250 40 0,6
Other types of contacts: in accordance with the product standard. continued SIST EN 3155-001:2009



EN 3155-001:2009 (E) 15 Table 2 (continued) EN 2591- Test Details 211 Capacitance Applicable to type D and E contacts unless otherwise specified in the product standard. 212 Surface transfer impedance Type D and E, see product standard. 213 Shielding effectiveness from 100 MHz to 1 GHzType D and E, see product standard. 214 Lightning strike, current and voltage pulse Not applicable 216 Engagement of contacts Not applicable 217 Voltage drop under specified current for terminal lugs and in-line splices Not applicable 218 Ageing of terminal lugs and in-line splices by temperature and current cycling Not applicable 219 Voltage strength for insulated terminal lugs and in-line splices Not applicable 220 Contact/conductor joint ageing by temperature and current cycling See product standard. 221 Voltage Standing Wave Ratio (VSWR) For type E, see product standard. 222 Insertion Loss (I.L.) For type E, see product standard. 223 Measurement of characteristic impedance of a coaxial connector or contact For type E, see product standard. 224 RF leakage Not applicable 225 RF high potential withstanding voltage Not applicable 226 Corona level Not applicable 301 Endurance at temperature Method B Temperature: according to product standard. Duration: according to product standard. 302 Climatic sequence Not applicable 303 Cold/low pressure and damp heat Not applicable 304 Damp heat steady state Not applicable 305 Rapid change of temperature Contacts wired and mated. Type A, C, D and E TA = maximum temperature specified in the product standard TB = minimum temperature specified in the product standard T1 = 3005+ min 306 Mould growth Type D and E contacts. Method A Duration: 28 d Nil growth. No prior washing. No surface etching. continued SIST EN 3155-001:2009



EN 3155-001:2009 (E) 16 Table 2 (continued) EN 2591- Test Details 307 Salt mist Contacts wired. Duration: 48 h Corrosion due to the cable is not taken into account. 308 Sand and dust Not applicable 309 Dry heat Not applicable 310 Cold Not applicable 311 Low air pressure Not applicable 312 Air leakage Not applicable 313 Driving rain (artificial) Not applicable 314 Immersion at low air pressure Not applicable 315 Fluid resistance Type A and C contacts which have a plastic link between the cable and the contact. Type A, D and E contacts which are fitted with non-metallic elements. Fluids and test conditions in accordance with the product standard. 316 Ozone resistance Type A, D and E contacts which are fitted with non-metallic elements. 317 Flammability Not applicable 318 Fire-resistance Not applicable 319 Gastightness of solderless wrappedconnections Applicable 320 Simulated solar radiation at ground level Not applicable 321 Damp heat, cyclic test Not applicable 322 Hermeticity Not applicable 323 Thermal shock Not applicable 324 Interfacial sealing Not applicable 325 Ice resistance Not applicable 401 Acceleration, steady state Not applicable 402 Shock Unless otherwise specified in the product standard, the contacts shall be wired and mated into the elements of connection. The elements of connection fitted with appropriate cable clamps shall be mated and mounted on the shock apparatus using appropriate mounting systems. The cables are clamped a minimum of the 200 mm from the rear of the contacts at a fixed point of the assembly. Method A: 300 gn. Two shocks in the longitudinal axis, one in each direction. Two shocks in a perpendicular direction to this axis, one in each direction. Total: four shocks. continued SIST EN 3155-001:2009



EN 3155-001:2009 (E) 17 Table 2 (continued) EN 2591- Test Details 403 Sinusoidal and random vibration Unless otherwise specified in the product standard, the contacts shall be wired and mated into the elements of connection. The elements of connection fitted with appropriate cable clamps shall be mated and mounted on the vibration apparatus using appropriate mounting systems. The cables are clamped a minimum of the 200 mm from the rear of the contacts at a fixed point of the assembly. Method B, Figure 3 and Table 2, level J. For cylindrical contacts, duration 8 h in the longitudinal axis and 8 h in a perpendicular direction to this axis. For other types, duration and direction shall be specified in the product standard. 404 Transverse load Not applicable 405 Axial load Not applicable 406 Mechanical endurance Unless otherwise specified in the product standard, the contacts shall undergo 500 mating and unmating operations; the rate shall not exceed five cycles per minute. 407 Durability of contact retention system and seals
Not applicable 408 Mating and unmating forces Not applicable 409 Contact retention in insert Not applicable 410 Insert retention in housing (axial) Not applicable 411 Insert retention in housing (torsional) Not applicable 412 Contact insertion and extraction forces Not applicable 413 Holding force of grounding spring system Not applicable 414 Unmating of lanyard release connectors Not applicable 415 Test probe damage (female contacts) Contacts type A and C.
Length of probe: ¾ of depth A1 measured on the female contacts under test, fitted in a connector or in a representative assembly. Probe B diameter and value of bending moment:
Contact size B ± 0,01 mm Moment N.m Contact size B ± 0,01 mm Moment N.m
24 0,64 0,014 8 3,61 0,454
22 0,76 0,014 6 4,52 0,454
20 1,02 0,057 4 5,72 0,454
16 1,59 0,227 2 7,19 0,454
14 1,98 0,227 0 9,07 0,908
12 2,39 0,227 2/0 10,31 0,908
10 3,18 0,227 4/0 12,70 0,908
continued SIST EN 3155-001:2009



EN 3155-001:2009 (E) 18 Table 2 (continued) EN 2591- Test Details 416 Contact bending strength Type A contacts. Size 20 and smaller.
Contact size Moment N.m
20 0,060
22 0,025
24 0,015
Maximum permitted permanent set: 0,13 mm. For type C contacts the values shall be indicated in the product standard. 417 Tensile strength (crimped connection) Crimping tool and wire gauge in accordance with the product standard. Tension load: according to EN 2242. 418 Gauge insertion/extraction forces (female contacts) Unless otherwise specified, the gauge used is that defined in Figure 8 and Table 3. Applicable to cylindrical contacts, types A, C. For other types, see the product standard. Maximum insertion and minimum extraction forces in N.
Contact size Initially After tests Contactsize Initially After tests
InsertionExtraction InsertionExtractionInsertionExtraction Insertion Extraction
24 2,8 0,14 2,8 0,11 8 45,4 1,42 53,9 1,15
22 3,4 0,20 4 0,17 6 45,4 1,42 53,9 1,15
20 5,1 0,20 6,2 0,17 4 68 2,85 82,2 2,30
16 8,5 0,60 10,2 0,425 2 68 2,85 82,2 2,30
14 8,5 0,60 10,2 0,425 0 90,7 4,25 108 3,40
12 8,5 0,85 10,2 0,70 2/0 90,7 4,25 108 3,40
10 17 1,15 20,4 0,85 4/0 90,7 4,25 108 3,40
419 Stability of male contacts in insert Not applicable 420 Mechanical strength of rear accessories Not applicable 421 Free fall Not applicable 422 Locking wire hole strength Not applicable 423 Connector rear accessories thread strenght Not applicable 424 Stripping force, solderless wrapped connections Applicable 425 Unwrapping capability, solderless wrapped connections Applicable 426 Contact retention system effectiveness Not applicable continued SIST EN 3155-001:2009



EN 3155-001:2009 (E) 19 Table 2 (concluded) EN 2591- Test Details 427 Robustness of protective cover attachment Not applicable 428 Sinusoidal vibrations with passage of current for crimped terminal lugs Not applicable 501 Soft solderability Applicable to solder contacts unless otherwise specified in the product standard. 502 Restricted entry Female contacts (Applicable to cylindrical contacts type A and C – for other types, see product standard).
Contact size Diameter of test pin ± 0,005 mm
20 1,17
16 1,73
14 2,13
12 2,54
503 Contact deformation after crimping Maximum and minimum cable sizes in accordance with product standard. Axial deformation: The concentricity tolerance shall not exceed the following values: – contact sizes 20 to 28 0,28 mm – contact sizes 12 to 16 0,30 mm – contact sizes 4/0 to 10 0,80 mm Expansion shall not exceed 0,15 mm in the crimping zone.505 Contact protection effectiveness (scoop-proof) Not applicable 506 Use of tools Not applicable 507 Plating porosity Applicable 508 Measurement of thickness of coating on contacts Uniform and selective plating. The coating thickness shall be checked in zones X and Y defined by the product standard. One of the following methods may be used: – X-ray spectrometry (ISO 4524-1), – Beta ray backscatter (ISO 4524-1). 509 Adhesion of coating on contacts Bending test for contact sizes 16 to 24 – See ISO 4524-5. Burnishing test for contact sizes 4/0 to 14. 512 Effectiveness of non-removable fixing of hermetically sealed connector shell Not applicable 513 Magnetic permeability ≤ 2 514 Solderability of contacts with self-contained solder and flux Applicable to solder contacts unless otherwise specified in the product standard. 515 Hydrolytic stability Not applicable
SIST EN 3155-001:2009



EN 3155-001:2009 (E) 20
Key 1 Example of handle 2 Recommended length 25 max. diameter two times A max. 3 Radius 4 Marking
Material: tool steel or carbide steel. Figure 16 — Gauges for test EN 2591-418 Table 3 — Gauge dimensions Dimensions in millimetres Contact size a A B Minimum gauge Maximum gauge Maximum flat + 0,003 0 0 − 0,003
24 0,622 0,648 0,2 22 0,749 0,775 20 0,991 1,041 16 1,562 1,613 0,4 14 1,956 2,007 12 2,362 2,413 10 3,150 3,200 0,8 8 3,581 3,632 6 4,496 4,547 4 5,690 5,740 2 7,163 7,214 0 9,042 9,093 1,54 2/0 10,287 10,338 4/0 12,675 12,725 a Other contact sizes: see product standard. SIST EN 3155-001:2009



EN 3155-001:2009 (E) 21 9 Quality assurance 9.1 General Quality assurance shall comply with EN 9133. 9.2 Conditions for qualification 9.2.1 General
The contacts defined by this standard form an integral part of the conne
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