EN 3660-020:2009
(Main)Aerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 020: Cable outlet, style A, straight, unsealed, self-locking with clamp strain relief for EN 3645 - Product standard
Aerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 020: Cable outlet, style A, straight, unsealed, self-locking with clamp strain relief for EN 3645 - Product standard
This product standard defines a range of cable outlets, style A, straight, unsealed, self-locking, with clamp
strain relief for use under the following conditions:
Associated electrical connector(s) : EN 3660-002
Temperature range, Class N : − 65 °C to 200 °C
Class W : − 65 °C to 175 °C
Class K : − 65 °C to 260 °C
Luft- und Raumfahrt - Endgehäuse für elektrische und optische Rund- und Rechtecksteckverbinder - Teil 020: Endgehäuse, Bauform A, gerade Ausführung, nicht abgedichtet, selbstsichernd, mit Zugentlastungsklemme für EN 3645 - Produktnorm
Diese Produktnorm legt eine Reihe von Endgehäusen, Bauform A, gerade Ausführung, nicht abgedichtet, selbstsichernd, mit Zugentlastungsklemme, für die Verwendung unter folgenden Bedingungen fest:
Zugehörige(r) elektrische(r) Steckverbinder : EN 3660 002
Temperaturbereich, Klasse N : - 65 °C bis 200 °C
Klasse W : - 65 °C bis 175 °C
Klasse K : - 65 °C bis 260 °C
Série aérospatiale - Accessoires arrière pour connecteurs circulaires et rectangulaires électriques et optiques - Partie 020: Raccord droit, type A, non étanche, auto-freiné avec brides serre-câbles pour EN 3645 - Norme de produit
Aeronavtika - Dodatki za okrogle in pravokotne električne in optične konektorje - 020. del: Kabelska spojka, tip A, ravna, netesnjena, samozapiralna, z razbremenilno sponko za EN 3645 - Standard za proizvod
General Information
- Status
- Published
- Publication Date
- 29-Sep-2009
- Withdrawal Date
- 30-Mar-2010
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 2 - Electrical
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 21-Jan-2025
- Completion Date
- 28-Jan-2026
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Overview
EN 3660-020:2009 is a CEN product standard in the Aerospace series that defines a family of cable outlets (style A): straight, unsealed, self‑locking rear accessories with clamp strain relief designed for use with EN 3645 connectors. The standard covers dimensions, interface details, materials/finishes, environmental and mechanical test requirements, marking and designation rules for cable outlet accessories used in aerospace electrical and optical connection systems.
Key topics
- Scope and compatibility
- Designed as cable outlet accessories for connectors described in EN 3645 and referenced electrical connector index EN 3660-002.
- Temperature classes
- Class N: −65 °C to 200 °C
- Class W: −65 °C to 175 °C
- Class K: −65 °C to 260 °C
- Dimensions & interface
- Detailed shell sizes and dimensional data (see Figure/Table references in the standard) plus AS85049 interface compatibility.
- Materials & finishes
- Class N: aluminium with electroless nickel plating
- Class W: aluminium with olive‑drab cadmium plating
- Class K: stainless steel, passivated
- Hardware (screws, lock nuts): stainless steel, passivated (silver plate optional)
- Mechanical & electrical requirements
- Self‑locking captive nut arrangement, clamp strain relief features, and use of an elastomeric bushing strip (EN 3660-037) or approved tape to ensure clamp performance.
- Specified assembly and coupling torque values (given per shell size) and mechanical strength limits.
- Qualification & tests
- References EN 2591‑100 and EN 3660‑001 for test procedures. Tests include shock, vibration, salt mist, immersion, temperature cycling, flammability (Class K fire‑resistance), mechanical strength, and electrical continuity where applicable.
Applications
- Used by aerospace OEMs, connector manufacturers, wiring harness suppliers, aerospace systems engineers and qualification/test laboratories for:
- Rear termination of circular and rectangular electrical and optical connectors to provide robust strain relief and rear‑end protection.
- Selection and procurement of standardized cable outlet accessories matching EN 3645 connectors and specified temperature/environment classes.
- Design and qualification of aircraft/spacecraft cable assemblies requiring defined mechanical, thermal and environmental performance.
Who uses this standard
- Connector and accessory manufacturers, aerospace wiring harness designers, systems integrators, procurement specialists, and test labs ensuring components meet aerospace qualification and interchangeability requirements.
Related standards
- EN 3660-001 (Technical specification)
- EN 3660-002 (Index of product standards)
- EN 3660-037 (Bushing strip, elastomer)
- EN 3645 (Associated connectors)
- EN 2591‑100 (Test methods)
- SAE AS85049 (Connector accessory general spec)
Keywords: EN 3660-020:2009, cable outlet, aerospace series, cable outlet accessories, EN 3645, self-locking, clamp strain relief, temperature classes, connector accessories.
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Frequently Asked Questions
EN 3660-020:2009 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 020: Cable outlet, style A, straight, unsealed, self-locking with clamp strain relief for EN 3645 - Product standard". This standard covers: This product standard defines a range of cable outlets, style A, straight, unsealed, self-locking, with clamp strain relief for use under the following conditions: Associated electrical connector(s) : EN 3660-002 Temperature range, Class N : − 65 °C to 200 °C Class W : − 65 °C to 175 °C Class K : − 65 °C to 260 °C
This product standard defines a range of cable outlets, style A, straight, unsealed, self-locking, with clamp strain relief for use under the following conditions: Associated electrical connector(s) : EN 3660-002 Temperature range, Class N : − 65 °C to 200 °C Class W : − 65 °C to 175 °C Class K : − 65 °C to 260 °C
EN 3660-020:2009 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 3660-020:2009 has the following relationships with other standards: It is inter standard links to EN 2591-403:2025, EN 2591-317:1998, EN 3645-010:2019, EN 2591-402:2012, EN 2591-212:2005, EN 2591-408:1998, EN 2591-102:1996, EN 3645-005:2019, EN 2591-315:2015, EN 3645-006:2015, EN 2591-205:1996, EN 3645-004:2019, EN 3660-002:2016, EN 2591-420:2006, EN 2591-308:1998. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 3660-020:2009 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 - Endgehause fur elektrische und optische Rund und Rechteck steckverbinder - Teil 020: Endgehause, Bauform A, gerade Ausfuhrung, selbstsichernd, nicht abgedichtet, mit Zugentlastungsklemme fur EN 3645 - ProduktnormSerie aerospatiale - Accessoires arriere pour connecteurs circulaires et rectangulaires electriques et optiques - Partie 020: Raccord droit, type A, non etanche, auto-freine avec brides serre-cables pour EN 3645 - Norme de produitAerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 020: Cable outlet, style A, straight, unsealed, self-locking with clamp strain relief for EN 3645 - Product standard49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 3660-020:2009SIST EN 3660-020:2009en01-december-2009SIST EN 3660-020:2009SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 3660-020
September 2009 ICS 49.060 English Version
Aerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 020: Cable outlet, style A, straight, unsealed, self-locking with clamp strain relief for EN 3645 - Product standard
Série aérospatiale - Accessoires arrière pour connecteurs circulaires et rectangulaires électriques et optiques -Partie 020: Raccord droit, type A, non étanche, auto-freiné avec brides serre-câbles pour EN 3645 - Norme de produit
Luft- und Raumfahrt - Endgehause fur elektrische und optische Rund und Rechteck steckverbinder - Teil 020:Endgehause, Bauform A, gerade Ausfuhrung, selbstsichernd, nicht abgedichtet, mit Zugentlastungsklemme fur EN 3645 - Produktnorm This European Standard was approved by CEN on 28 June 2009.
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 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 Management Centre has the same status as the official 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 STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3660-020:2009: ESIST EN 3660-020:2009
Class W : − 65 °C to 175 °C
Class K : − 65 °C to 260 °C 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 2591-100*, Aerospace series — Elements of electrical and optical connection — Test meth
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