BS EN 2997-001:2011 BSI Standards Publication Aerospace series — Connectors, electrical, circular, coupled by threaded ring, fireresistant or non fire-resistant, operating temperatures – 65 °C to 175 °C continuous, 200 °C continuous, 260 °C peak Part 001: Technical specification NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW raising standards worldwide™ BS EN 2997-001:2011 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 2997-001:2011 It supersedes BS EN 2997-001:2006 which is withdrawn The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © BSI 2011 ISBN 978 580 74090 ICS 49.060 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2011 Amendments issued since publication Date Text affected BS EN 2997-001:2011 EN 2997-001 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM May 2011 ICS 49.060 Supersedes EN 2997-001:2006 English Version Aerospace series - Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating temperatures - 65 °C to 175 °C continuous, 200 °C continuous, 260 °C peak - Part 001: Technical specification Série aérospatiale - Connecteurs électriques circulaires accouplement par bague filetée, résistant au feu ou non, températures d'utilisation - 65 °C 175 °C continu, 200 °C continu, 260 °C en pointe - Partie 001: Spécification technique Luft- und Raumfahrt - Elektrische Rundsteckverbinder mit Schraubkupplung, feuerbeständig oder nicht feuerbeständig, Betriebstemperaturen - 65 °C bis 175 °C konstant, 200 °C konstant, 260 °C Spitze - Teil 001: Technische Lieferbedingungen This European Standard was approved by CEN on 17 March 2011 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 2997-001:2011: E BS EN 2997-001:2011 EN 2997-001:2011 (E) Contents Page Foreword 3 Introduction 4 1 Scope 4 2 Normative references 4 3 Terms and definitions 5 4 Description .5 5 Design .7 6 Definition drawings and masses 8 7 Tests 44 8 Quality assurance 62 9 Designation and marking 72 10 Delivery conditions 74 11 Packaging 74 12 Storage 74 BS EN 2997-001:2011 EN 2997-001:2011 (E) Foreword This document (EN 2997-001:2011) 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 document supersedes EN 2997-001:2006 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 November 2011, and conflicting national standards shall be withdrawn at the latest by November 2011 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 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, Croatia, 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 BS EN 2997-001:2011 EN 2997-001:2011 (E) Introduction This family of connectors is derived from MIL-DTL-83723 series III, type T with which it is intermateable It is particularly suitable for use on aircraft engines and in zones of severe environmental conditions on board aircraft, applying EN 2282 These connectors are distinguishable from MIL-DTL-83723 by: the mechanical stop for coupling being achieved manually; the coupling system having a self-locking nut that features a greater resistance to decoupling; the variety of the functional classes and models, including models with integrated cable outlets Scope This European Standard specifies the general characteristics, the conditions for qualification acceptance and quality assurance, and the test programs and groups for threaded ring coupling circular connectors, fireresistant or non fire-resistant, intended for use in a temperature range from − 65 °C to 175 °C continuous, 200 °C continuous or 260 °C peak according to the classes and models 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 2267-002, Aerospace series — Cables, electrical, for general purpose — Operating temperatures between − 55 °C and 260 °C — Part 002: General EN 2282, Aerospace series — Characteristics of aircraft electrical supplies EN 2346-002, Aerospace series — Cable, electrical, fire resistant — Operating temperatures between – 65 °C and 260 °C — Part 002: General EN 2591 (all parts), Aerospace series — Elements of electrical and optical connection — Test methods EN 2997 (all parts), Aerospace series — Connectors, electrical, circular, coupled by threaded ring, fireresistant or non fire-resistant, operating temperatures − 65 °C to 175 °C continuous, 200 °C continuous, 260 °C peak EN 3155-001, Aerospace series — Electrical contacts used in elements of connection — Part 001: Technical specification EN 3197, Aerospace series — Design and installation of aircraft electrical and optical interconnection systems EN 3660-003, Aerospace series — Cable outlet accessories for circular and rectangular electrical and optical connectors — Part 003: Grommet nut, style A for EN 2997 and EN 4067 — Product standard EN 3660-004, Aerospace series — Cable outlet accessories for circular and rectangular electrical and optical connectors — Part 004: Cable outlet, style A, straight, unsealded with clamp strain relief for EN 2997 and EN 4067 — Product standard BS EN 2997-001:2011 EN 2997-001:2011 (E) EN 3660-033, Aerospace series — Cable outlet accessories for circular and rectangular electrical and optical connectors — Part 033: Band — Product standard 1) EN 3909, Aerospace series — Test fluids and test methods for electric components and sub-assemblies EN 4529-003, Aerospace series — Elements of electrical and optical connection — Sealing plugs — Part 003: Class T — Product standard EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace standard parts ISO 263, ISO Inch screw threads — General plan and selection for screws, bolts and nuts — Diameter range 0,06 to in ISO 2685, Aircraft — Environmental test procedure for airborne equipment — Resistance to fire in designated fire zones MIL-HDBK-454B, General guidelines for electronic equipment 2) MIL-DTL-83723, Connector, electrical circular, environment resistant, receptacles and plugs, general specification for Terms and definitions For the purposes of this document, the terms and definitions given in EN 2591-100 apply 4.1 Description General Different variants of materials, housings and contact arrangements are provided according to the model and class These connectors use crimp or solder contacts of sizes 22, 20, 16 and 12 The receptacles and plugs contain either male contacts or female contacts The contacts fitted in the classes Y and YE receptacles are exclusively of the male non-removable solder type The connectors are polarized by means of keyways and keys; polarization shall be obtained before the male contacts enter the insert of the female contacts and before the coupling ring is engaged The position of the keying arrangement is given in Table Masking of the blue colour band on the receptacle provides visual indication of full coupling Only the connectors shell sizes 8,10 and 12 with size 22 contacts are mechanical scoop proof 4.2 Receptacle The receptacle may be attached by: 1) In preparation at the date of publication of this standard 2) Published by: Department of Defense (DoD), http://www.defenselink.mil/ BS EN 2997-001:2011 EN 2997-001:2011 (E) square flange; the jam-nut with O-ring sealing; for spare parts, see EN 2997-002; round flange for attachment by soldering/brazing/welding, classes Y and YE only The receptacle contains five keyways into which the keys of the plug engage The main keyway is fixed and is wider than the others Polarization is ensured by different positions of the secondary keyways The position of the insert is fixed relative to the main keyway 4.3 Plug The plug contains five keys, which engage in the keyways of the receptacle The main key is wider than the others Polarization is ensured by different positions of the secondary keys The position of the insert is fixed relative to the main key The coupling ring permanently fitted on the plug enables the connectors to be coupled and uncoupled The coupling torque shall be at least 50 % lower than the uncoupling torque The internal thread of the coupling ring may be treated during manufacture with a suitable lubricant compatible with the performance required in this standard The plug of classes S, SE, SV, RS and WS is fitted with a grounding spring device ensuring electrical continuity between the coupled connector housings 4.4 4.4.1 Materials and surface treatment General When dissimilar metals are in close contact, adequate protection against corrosion shall be used for the electromotive force of the cell not to exceed 0,25 V (see EN 3197) 4.4.2 Housings The material of the housing for the connectors and for the fittings may either be passivated stainless steel or aluminium alloy protected against corrosion by nickel or cadmium plating (see EN 2997-002) 4.4.3 Contacts Unless otherwise specified, the contacts shall be in ferrous alloy for classes Y and YE and in copper alloy for the other models The contacts for classes Y and YE shall be gold-plated on an appropriate undercoat (silver undercoat shall not be used) Selective protection is authorized provided that it is sufficient to ensure that performance is not affected Measurement of the thickness of the protective treatment shall be effected in accordance with EN 2591-508 For removable contacts, see EN 2997-002 4.4.4 Non-metallic materials The materials used for insert, seals and grommets shall have hardness and mechanical and electrical characteristics consistent with the required use BS EN 2997-001:2011 EN 2997-001:2011 (E) 5.1 Design Housings The connector housings shall be in one unit They shall contain teeth at the rear over the entire periphery and shall accommodate the cable outlet accessory and other fittings except for connectors with integrated cable outlet The receptacle shall furthermore be fitted with an O-ring seal for sealing the coupled housings Receptacles for attachment by nut shall contain an O-ring seal The nut shall have holes for the passage of locking wire The threads shall conform to ISO 263 The coupling ring shall be designed so that the male and female contacts engage when it is rotated clockwise and disengage when it is rotated anti clockwise The coupling ring shall be knurled to aid gripping by hand On completion of tightening of the coupling ring, mechanical metal to metal contact shall exist between the receptacle and the plug mating faces, indicated by masking of the blue colour band (see Figure 1) The cable outlet accessories shall compress the grommet of the connectors without twisting it A blue colour band indicating that the crimp contacts of the connectors are intended for rear removal shall be provided: behind the flange of the receptacles with square flange; on the flange of receptacles with jam nut attachment; on the coupling ring of the plugs The position of the blue colour bands shall be such that at least one of them is visible at all times on the coupling ring of the plug 5.2 Inserts The insert carrying the male and female contacts shall be in hard material and have a cross section and radii such that no cracks, flaking or breaks can occur in normal operation The insert for contacts shall be non-removable; it shall be mechanically held in the housing Sealing shall be provided between the housing and insert The front face of the insert shall be such that sealing is ensured when the connectors are coupled The interfacial seal of the insert of the male contacts shall be bonded on the hard insert The grommet shall permit sealing for all cable diameters indicated in EN 2997-002 and shall not be removable The mechanical contacts retention system shall be integrated in the hard insert The design of non-hermetic connectors shall permit individual installation of the contacts without removal of the insert or grommet Insertion and removal of the contacts shall be from the rear with the tools specified in the product standards BS EN 2997-001:2011 EN 2997-001:2011 (E) 6.1 Definition drawings and masses General The general dimensions and the masses of receptacles, plugs and protective covers are given in the product standards 6.2 Receptacle mating dimensions The mating dimensions of receptacles are shown in Figures and including details A, B, C and D as well as in Tables and BS EN 2997-001:2011 EN 2997-001:2011 (E) 7.4 Gauges to test the stability of male contacts in insert See Figure 48 and Table 14 Dimensions and tolerances are in millimetres Blend radii into spherical end 6,35 extent ∅ J a 45° chamfer optional Concentricity tolerance of all diameters 0,05 B Figure 48 Table 14 A B C E F G Ja + 0,012 + 0,005 + 0,005 0 − 0,012 − 0,012 + 0,005 17 0 − 0,005 22 – – – – – – – 20 13,792 0,990 1,930 0,838 2,54 1,981 3,302 2,616 4,749 4,013 Contact size 16 12 a 8.1 14,173 14,173 2,362 Required tolerance on length 6,35 Quality assurance General See EN 9133 62 1,562 3,175 2,565 3,759 1,219 2,921 BS EN 2997-001:2011 EN 2997-001:2011 (E) 8.2 Qualification 8.2.1 General Qualification of a model (see EN 2997-002) is obtained: either when the specimens of this class as defined in 8.2.2 have satisfied the applicable tests in groups to 16 (see Tables 16 and 17); or by extension of qualification, see Table 15 In this case, three complete specimens as defined in 8.2.2 shall be tested for each group or for test EN 2591-408 Nevertheless this list could be revised after agreement between supplier and Mandated Body Table 15 Already qualified To be qualified K R RS S KE KV SE SV W WS K – FQ a FQ a EN 2591-408 FQ a Groups 1, 2, 5, 9, 11 FQ a Groups 1, 2, 5, 9, 11 FQ a FQ a R FQ a – EN 2591-408 FQ a FQ a FQ a FQ a FQ a Groups 15, 16 Groups 15, 16 RS FQ a Groups 4, 15, 16 – FQ a FQ a FQ a FQ a FQ a Groups 4, 15, 16 Groups 4, 15, 16 S Groups 4, 12, 13, 14, 15, 16 FQ a FQ a – FQ a Groups 1, 2, 4, 5, 9, 11 FQ a Groups 1, 2, 5, 9, 11 FQ a FQ a KE FQ a FQ a FQ a FQ a – Groups 1, 2, 5, 9, 11 EN 2591-408 Groups 1, 2, 5, 9, 11 FQ a FQ a KV FQ a FQ a FQ a FQ a FQ a – FQ a EN 2591-408 FQ a FQ a SE FQ a FQ a FQ a FQ a Groups 4, 12, 13, 14, 15, 16 Groups 1, 2, 4, 9, EN 2591-423 – Groups 1, 2, 9, EN 2591-423 FQ a FQ a SV FQ a FQ a FQ a FQ a FQ a Groups 4, 12, 13, 14, 15, 16 FQ a – FQ a FQ a W FQ a Groups 15, 16 Groups 15, 16 FQ a FQ a FQ a FQ a FQ a – EN 2591-408 WS FQ a Groups 4, 15, 16 Groups 4, 15, 16 FQ FQ a FQ a FQ a FQ a Groups 4, 15, 16 – a FQ = Full Qualification 8.2.2 Sampling and definition of specimens The specimens of the model to be qualified shall be divided equally for each test group between small sizes (8, 10 or 12), medium sizes (14, 16 or 18) and large sizes (20, 22, 24 or 28) Contact sizes: Samples shall include suitable insert arrangements to demonstrate all contact sizes within manufacturers current production range The receptacles shall have simple nut accessories and the plugs have straight cable-clamp accessories except for group (See EN 3660-003, EN 3660-004 for suitable example) For group 4, receptacles and plugs shall be equipped with accessories appropriate to test EN 2591-213 63 BS EN 2997-001:2011 EN 2997-001:2011 (E) Table 16 Test group No Number of complete specimens (receptacle and plug) Class R or RS or W or WS Class K or S Class KE or SE or KV or SV Class Y Class YE Take one untested specimen of each model, product and each shell size, selected from test groups to 11 a 3 3 3 3 3 for model RS or WS without insert for model S without insert for model SE or SV without insert 3 3 3 3 3 3 10 3 3 15 3 3 16 3 3 17 for class KV or SV 18 layout 08-03 16 male contacts of each size assembled in the receptacles of models 200 °C and 260 °C layout 14-07 layout 22-19 11 One per fluid One per fluid One per fluid One per fluid One per fluid 12 Three protective covers (small, medium and large) of each class and model 13 Three protective covers (small, medium and large) of each class and model b 14 Three protective covers (small, medium and large) of each class and model b b a After testing, the specimens shall be returned to their group or groups 12, 13 and 14 as applicable for protective covers b Covers can be inserted into connector qualification plan or qualified separately with an approved connector 8.2.3 Preparation of specimens Unless otherwise specified in the tests, the specimens shall be wired with cables, the outside diameter of which is in accordance with the maximum indicated in EN 2997-002 64 BS EN 2997-001:2011 EN 2997-001:2011 (E) The connectors shall be wired with round cables free from any roughness likely to contribute to the penetration of humidity or liquid to the inside of the connector The cables shall conform to: EN 2267-002 for cables for general use, operating temperature 260 °C; EN 2346-002 or similar product for fire-resistant cables Their length shall suit to the need of the test The specimens should be provided with cable gauges representing both the largest and smallest permissible cable for each size of contact cavity (See EN 2997-002) 8.2.4 Programme of qualification tests The qualification tests are defined in Table 17 and shall be carried out in the sequence indicated Test EN 2591-306 is to be performed on materials and is not included in the groups below If the materials used comply with group of MIL-HDBK-454B, Guideline 4, test EN 2591-306 is not performed Table 17 Designation of the test EN 2591- Remarks All models Group Visual examination 101 Examination of dimensions and mass 102 Mating and unmating forces 408 Insert retention in housing (axial) 410 Except classes Y and YE Air leakage 312 Except classes Y and YE Magnetic permeability 513 Visual examination 101 All models Group Durability of contact retention system and seals (Maintenance ageing) 407 Except models Y and YE Contact retention in insert 409 Except classes Y and YE Contact insertion and extraction forces 412 Except classes Y and YE Rapid change of temperature 305 Hermeticity 322 Classes Y and YE only Low air pressure 311 Except classes Y and YE Immersion at low air pressure 314 Except classes Y and YE Measurement of insulation resistance 206 Except classes Y and YE Voltage proof test 207 Except classes Y and YE Interfacial sealing 324 Except classes Y and YE Measurement of insulation resistance 206 Voltage proof test 207 continued 65 BS EN 2997-001:2011 EN 2997-001:2011 (E) Table 17 (continued) Designation of the test EN 2591- Group (continued) Remarks All models Insert retention in housing (axial) 410 Except classes Y and YE Air leakage 312 Housing (shell) electrical continuity 205 Salt mist 307 See Table 10 Contact resistance at rated current 202 Classes Y and YE only Transverse load (external bending moment) 404 Mating and unmating forces 408 Visual examination 101 Except classes Y and YE Group Durability of contact retention system and seals (Maintenance ageing) 407 Contact retention in insert 409 Contact insertion and extraction forces 412 Visual examination 101 Cold/low pressure and damp heat 303 Rapid change of temperature 305 Mating and unmating forces 408 Mechanical endurance 406 Sinusoidal and random vibration 403 Shock 402 Visual examination 101 Housing (shell) electrical continuity 205 Mating and unmating forces 408 Damp heat, cyclic test 321 Measurement of insulation resistance 206 Immediately after test EN 2591-321 Measurement of insulation resistance 206 Ambient temperature Voltage proof test 207 Normal air pressure Measurement of insulation resistance 206 Rated maximum temperature Contact retention in insert 409 Mating and unmating forces 408 Locking wire hole strength 422 Visual examination 101 Sand and dust 308 Mating and unmating forces 408 − 65 °C and ambient temperature When lock holes present First unmating only Maximum torque: + 25 % than maximum value of test EN 2591-408 continued 66 BS EN 2997-001:2011 EN 2997-001:2011 (E) Table 17 (continued) Designation of the test EN 2591- Remarks Classes Y and YE Group Thermal shock 323 Mechanical endurance 406 Sinusoidal and random vibration 403 Shock 402 Visual examination 101 Mating and unmating forces 408 Contact resistance at rated current 202 Housing (shell) electrical continuity 205 Mating and unmating forces 408 Damp heat, cyclic test 321 Measurement of insulation resistance 206 Immediately after test EN 2591-321 Measurement of insulation resistance 206 After recovery Voltage proof test 207 After recovery Contact resistance at rated current 202 Hermeticity 322 Locking wire hole strength 422 Visual examination 101 − 65 °C and ambient temperature When wire hole present Classes S, SE, SV, RS and WS Group Holding force of grounding spring system 413 Mechanical endurance 406 Housing (shell) electrical continuity 205 Shielding effectiveness from 100 MHz to GHz 213 Visual examination 101 All models Group Air leakage 312 Except classes Y and YE Endurance at temperature 301 See 7.2.1 for classes KE, KV, SV and SE Contact retention in insert 409 Ozone resistance 316 Measurement of insulation resistance 206 Reduced value Voltage proof test 207 Normal air pressure Insert retention in housing (axial) 410 Except classes Y and YE Mating and unmating forces 408 Connector rear accessories thread strength 423 Visual examination 101 continued 67 BS EN 2997-001:2011 EN 2997-001:2011 (E) Table 17 (continued) Designation of the test EN 2591- Except classes Y and YE Group Contact retention system effectiveness (removable contact walkout) 426 Use of tools 506 Stability of male contacts in insert 419 Contact retention in insert 409 Visual examination 101 Group Contacts classes Y and YE not wired Soft solderability 501 Measurement of thickness of coating on contacts 508 Adhesion of coating on contacts 509 Group Fire-resistance Remarks Classes K, KE, KV, SV, S and SE 318 Group All models Sinusoidal and random vibration 403 Visual examination 101 Mating and unmating forces 408 Hermeticity 322 Classes Y and YE only Contact resistance at rated current 202 Classes Y and YE only Flammability 317 Classes W, WS, R and RS only Contact retention in insert 409 Except classes Y and YE Group 10 At high temperature Classes Y and YE only Electrical overload 210 Contact resistance at rated current 202 Measurement of insulation resistance 206 Voltage proof test 207 Mating and unmating forces 408 Visual examination 101 Group 11 All models and protective covers Fluid resistance 315 Measurement of insulation resistance 206 Mating and unmating forces 408 Contact retention in insert 409 Visual examination 101 Except conducting fluid and protective covers Except classes Y and YE and protective covers continued 68 BS EN 2997-001:2011 EN 2997-001:2011 (E) Table 17 (continued) Designation of the test EN 2591- Group 12 Remarks Protective covers only Salt mist 307 Robustness of protective cover attachment 427 Mating and unmating forces 408 Visual examination 101 Group 13 Covers can be inserted into connector qualification plan or qualified separately with an approved connector Protective covers only Rapid change of temperature 305 Sinusoidal and random vibration 403 Shock 402 Mating and unmating forces 408 Visual examination 101 Group 14 Protective covers only Immersion at low air pressure 314 Visual examination 101 Group 15 – For qualification extension (see Table 15) Except classes Y and YE Visual examination 101 Examination of dimensions and mass 102 Housing (shell) electrical continuity 205 Mating and unmating forces 408 Salt mist 307 Mating and unmating forces 408 Visual examination 101 Group 16 – For qualification extension (see Table 15) Except class Y and YE Visual examination 101 Examination of dimensions and mass 102 Housing (shell) electrical continuity 205 Mechanical endurance 406 Housing (shell) electrical continuity 205 Mating and unmating forces 408 Visual examination 101 continued 69 BS EN 2997-001:2011 EN 2997-001:2011 (E) Table 17 (concluded) Designation of the test EN 2591- Group 17 (see Table 15) Classes KV and SV only Visual examination 101 High vibration endurance – Visual examination Models with integral accessory classes KV and SV only Visual examination 101 Fire resistance with gas burner – Visual examination 8.3.1 See 7.2.3 101 Group 18 (see Table 15) 8.3 Remarks See 7.2.2 101 Maintenance of qualification Tests The tests shall be carried out every 36 months after qualification on small, medium and large specimens taken at random in accordance with EN 9133 8.3.2 Sampling distribution All models, housing (shell) sizes and classes taken shall be divided into the two groups of Table 18 Table 18 Designation of the test EN 2591- Group Visual examination Examination of dimensions and mass (see Table 9) Insert retention in housing (axial) Contact retention in insert Voltage proof test Housing (shell) electrical continuity Cold/low pressure and damp heat Housing (shell) electrical continuity Measurement of insulation resistance Mating and unmating forces Mechanical endurance applicable only classes R and RS Salt mist Contact resistance at rated current Measurement of insulation resistance Visual examination 101 102 410 409 207 205 303 205 206 408 406 307 202 206 101 continued 70 BS EN 2997-001:2011 EN 2997-001:2011 (E) Table 18 (concluded) Designation of the test EN 2591- Group Visual examination 101 Examination of dimensions and mass 102 Endurance at temperature 301 Mating and unmating forces 408 Contact retention system effectiveness (removable contact walkout) 426 Measurement of insulation resistance 206 Contact resistance at rated current 202 Visual examination 101 Group – Classes K, KE, S and SE only Visual examination 101 Sinusoidal and random vibration 403 Visual examination 101 Group – Classes KV and SV only Visual examination 101 High vibration endurance See 7.2.3 Visual examination 8.4 101 Routine test during production The applicable tests shown in Table 19 shall be performed on all products prior to delivery The manufacturer may use in process controls for this requirement All contacts delivered with the connector shall be from lots that have met the requirements of the appropriate product standard specified in EN 2997-002 Table 19 — Routine test 8.5 Designation of the test EN 2591- Visual examination 101 Voltage proof test 207 Hermeticity 322 Remarks Classes Y and YE only Quality control Inspections, which are intended to maintain the required quality level, are in their entirety the responsibility of the manufacturer, ranging from materials through delivery of the product The quality department of the manufacturer shall be able to demonstrate, at any given time, that the product complies with the manufacturing documentation and with the product standard concerned 71 BS EN 2997-001:2011 EN 2997-001:2011 (E) There shall be a monitoring system in place for the various inspection phases This shall be evidenced by documents kept available by the manufacturer for a period of five years and submitted to the national official services on request 9.1 Designation and marking General principle of designation 9.1.1 Connectors (receptacle or plug) EXAMPLE Description block Identity block CONNECTOR, ELECTRICAL, EN2997XXXXXXXXX Receptacle or plug Number of the basic standard Connector class (see EN 2997-002) Connector model (see EN 2997-002) Size of housing and contact arrangement (see Figures 10 to 44) Type of contact: M = Male, A = Less male contacts, C = Size 20 male contact with special barrel F = Female, B = Less female contacts, D = Size 20 female contact with special barrel (see Table 20) Polarization (see EN 2997-002) Table 20 th th Contact designation 13 or 14 character marked on connector A, M or C M B, F or D F See designation examples in product standards EN 2997-003 to EN 2997-008 72 BS EN 2997-001:2011 EN 2997-001:2011 (E) 9.1.2 Protective covers EXAMPLE Description block COVER ELECTRICAL Identity block EN2997XXXXXX Number of the basic standard Protective cover class (see EN 2997-002) Protective cover model (see EN 2997-002) Type of termination: C = with chain D = with cable N = without chain or cable Size (see EN 2997-009 and EN 2997-010) See designation examples in EN 2997-009 and EN 2997-010 9.1.3 Dummy receptacle EXAMPLE Description block DUMMY, RECEPTACLE Identity block EN2997XXXXX Number of the basic standard Dummy receptacle class (see EN 2997-002) Dummy receptacle model (see EN 2997-002) Size (see EN 2997-011) See designation example in EN 2997-011 9.2 Marking Marking shall be applied to the connectors and protective covers This marking shall include: the identity block as defined in 9.1; the date of manufacture (year - week); the manufacturer's name or trade mark 73 BS EN 2997-001:2011 EN 2997-001:2011 (E) 10 Delivery conditions Connectors (except classes Y and YE) may be delivered with or without contacts In the case of delivery with contacts, the manufacturer shall supply the following additional items: one contact per size for arrangements ≤ 26 contacts; two contacts per size for arrangements > 26 contacts; one insertion/extraction tool for each contact size present in the arrangement; unless otherwise specified in the order, filler plugs, the quantity of which shall be 15 % of the number of contacts or a minimum of one filler plug per size Front and rear faces shall be fitted with protective caps When fitted to plugs, front cap shall be fitted over outside diameter of coupling nut 11 Packaging Unless otherwise specified: The connectors shall be individually sealed in transparent inert plastic bags, with (if applicable) contacts, filler plugs and tools The contacts and filler plugs shall be packed in a rigid container to prevent damage Each unit package shall be marked with the following information: The designation required by the product standard; Manufacturer's name or trade mark; Manufacturer's date code 12 Storage Storage shall be in a place free from ultra-violet rays Every five years, an inspection shall be made in accordance with EN 2591-101 The connector shall be re-packed in accordance with Clause 11 and the date of inspection shall be marked on the packaging 74 This page deliberately left blank British Standards Institution (BSI) BSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services It 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