EN 2997-003:2012
(Main)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 003: Square flange receptacle - Product standard
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 003: Square flange receptacle - Product standard
This European Standard specifies the characteristics of square flange mounted receptacles in the family of circular electrical connectors coupled by threaded ring.
It applies to class defined in Table 3.
For contacts, sealing plugs and rear associated cable outlets with this receptacle, see EN 2997-002. For plugs and protective covers, see EN 2997-008 and EN 2997-009 respectively.
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 003: Fester Steckverbinder mit quadratischem Montageflansch - Produktnorm
Série aérospatiale - Connecteurs électriques circulaires à accouplement par bague filetée, résistant au feu ou non, températures d'utilisation - 65 °C à 175 °C continu, 200 °C continu, 260 °C en pointe - Partie 003: Embase à fixation par collerette carrée - Norme de produit
La présente Norme Européenne spécifie les caractéristiques des embases à fixation par collerette carrée de la famille des connecteurs électriques circulaires à accouplement par bague filetée.
Elle s'applique aux classes définies dans le Tableau 3.
Pour les contacts, les obturateurs et les accessoires arrière associés à cette embase voir l’EN 2997-002. Pour les fiches et les bouchons de vol, voir respectivement l’EN 2997-008 et l’EN 2997-009.
Aeronavtika - Konektorji, električni, okrogli, priključeni z navojnim obročkom, odporni ali neodporni proti ognju, s stalno delovno temperaturo med -65 °C in 175 °C, stalno 200 °C, najvišjo 260 °C - 003. del: Podlaga s kvadratno prirobnico - Standard za izdelek
Ta evropski standard določa značilnosti vgrajenih priključnih doz s kvadratno prirobnico iz družine okroglih električnih konektorjev, priključenih z navojnim obročkom. Velja za razred iz preglednice 3. Za kontakte, tesnilne čepe in na zadnjem delu povezane izhode kablov s to priključno dozo glej standard EN 2997-002. Za čepe in zaščitna prekrivala glej ustrezna standarda EN 2997-008 in EN 2997-009.
General Information
- Status
- Published
- Publication Date
- 15-May-2012
- Withdrawal Date
- 29-Nov-2012
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 2 - Electrical
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 30-Jun-2017
- Completion Date
- 14-Apr-2025
Relations
- Effective Date
- 08-Jun-2022
Overview
EN 2997-003:2012 is a European standard developed by the CEN (European Committee for Standardization) that defines the product characteristics of aerospace electrical connectors with square flange receptacles. These connectors are circular, coupled by a threaded ring, and designed for fire-resistant or non-fire-resistant applications. The standard covers operating temperatures ranging from -65 °C to 175 °C continuous, 200 °C continuous, and up to 260 °C peak. It specifically focuses on square flange mounted receptacles within the family of these circular connectors.
This standard is vital for ensuring reliability, safety, and interoperability in aerospace electrical systems, particularly in critical environments requiring stringent fire resistance and temperature performance.
Key Topics
- Connector Type: Square flange mounted receptacles, part of circular connectors coupled by threaded rings.
- Operating Temperature Range:
- -65 °C to 175 °C continuous
- 200 °C continuous
- 260 °C peak
- Material Specifications:
- Olive-green cadmium-plated aluminium alloy for class WS (500 h salt mist resistance)
- Nickel-plated aluminium alloy for class RS (48 h salt mist resistance)
- Passivated stainless steel for class S and SE, offering fire resistance and 500 h salt mist resistance
- Connector Classes:
- WS: Non-fire-resistant, 175 °C max continuous
- RS: Non-fire-resistant, 200 °C max continuous
- S: Fire-resistant, 200 °C max continuous
- SE: Fire-resistant, 260 °C peak temperature
- Dimensions and Mounting:
- Detailed dimensions and tolerances for housings, panel cut-out, and mounting configurations ensure compatibility and ease of integration.
- Contact Types:
- Various contact arrangements delivered with or without contacts, including crimp contacts compliant with EN 3155 standards.
- Marking Requirements:
- Identity block with classification, date of manufacture, and manufacturer details for traceability.
Applications
EN 2997-003:2012 connectors are crucial in aerospace and defense electrical systems where reliability, fire-resistance, and high-temperature operation are mandatory. Common applications include:
- Aircraft electrical wiring systems requiring robust circular connectors.
- Aerospace control and instrumentation panels needing secure square flange mounting.
- Environments where connectors must withstand harsh temperature extremes and corrosive conditions.
- Systems demanding standardized connectors for interoperability and ease of maintenance.
These connectors support critical signal and power transmission in avionics, propulsion control, and safety systems, contributing to overall aircraft performance and safety.
Related Standards
To fully utilize EN 2997-003:2012 compliant products, reference related parts of the EN 2997 series:
- EN 2997-001: Technical specifications common to all connectors in this aerospace series.
- EN 2997-002: Specifications on performance, contact arrangements, and sealing plugs.
- EN 2997-008: Product standard for plugs compatible with the receptacles.
- EN 2997-009: Product standard for protective covers used with receptacles.
- EN 3155-002: Aerospace electrical contacts standard, specifying contact types compatible with EN 2997 connectors.
These complementary standards ensure complete system compatibility and support for design, installation, and maintenance practices within the aerospace electrical connector family.
Keywords: EN 2997-003:2012, aerospace electrical connectors, square flange receptacle, circular connectors, threaded ring coupling, fire-resistant connectors, connector operating temperature, aerospace connector standards, CEN aerospace connectors, aerospace wiring, electrical connector dimensions, aerospace connector materials.
Frequently Asked Questions
EN 2997-003:2012 is a standard published by the European Committee for Standardization (CEN). Its full title is "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 003: Square flange receptacle - Product standard". This standard covers: This European Standard specifies the characteristics of square flange mounted receptacles in the family of circular electrical connectors coupled by threaded ring. It applies to class defined in Table 3. For contacts, sealing plugs and rear associated cable outlets with this receptacle, see EN 2997-002. For plugs and protective covers, see EN 2997-008 and EN 2997-009 respectively.
This European Standard specifies the characteristics of square flange mounted receptacles in the family of circular electrical connectors coupled by threaded ring. It applies to class defined in Table 3. For contacts, sealing plugs and rear associated cable outlets with this receptacle, see EN 2997-002. For plugs and protective covers, see EN 2997-008 and EN 2997-009 respectively.
EN 2997-003:2012 is classified under the following ICS (International Classification for Standards) categories: 49.060 - Aerospace electric equipment and systems. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 2997-003:2012 has the following relationships with other standards: It is inter standard links to EN 2997-003:2006. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 2997-003:2012 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.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 003: Fester Steckverbinder mit quadratischem Montageflansch - ProduktnormSérie aérospatiale - Connecteurs électriques circulaires à accouplement par bague filetée, résistant au feu ou non, températures d'utilisation - 65 °C à 175 °C continu, 200 °C continu, 260 °C en pointe - Partie 003: Embase à fixation par collerette carrée - Norme de produitAerospace 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 003: Square flange receptacle - Product standard49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 2997-003:2012SIST EN 2997-003:2012en01-september-2012SIST EN 2997-003:2012SLOVENSKI
STANDARDSIST EN 2997-003:20091DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 2997-003
May 2012 ICS 49.060 Supersedes EN 2997-003:2006English 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 003: Square flange receptacle - Product standard
Série aérospatiale - Connecteurs électriques circulaires à accouplement par bague filetée, résistant au feu ou non, températures d'utilisation - 65 °C à 175 °C continu, 200 °C continu, 260 °C en pointe - Partie 003: Embase à fixation par collerette carrée - Norme de produit
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 003: Fester Steckverbinder mit quadratischem Montageflansch - Produktnorm This European Standard was approved by CEN on 11 February 2012.
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, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2997-003:2012: ESIST EN 2997-003:2012
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