EN 3645-008:2015
(Main)Aerospace series - Connectors, electrical, circular, scoop-proof, triple start threaded coupling operating temperature 175 °C or 200 °C continuous - Part 008: Non release plug with grounding ring - Product standard
General Information
- Abstract
This European Standard specifies the characteristics of plugs with grounding rings in the family of circular, electrical connectors, with triple start threaded coupling.
It applies to models in Table 2.
For contacts, sealing plugs and cable outlet accessories associated with this plug see EN 3645-002. For receptacles and protective covers, see EN 3645-003, EN 3645-004, EN 3645-005, EN 3645-007, EN 3645 009 and EN 3645-010 respectively.
These connectors are derived from and interchangeable with models W, J, K, F, M and Z in specification MIL DTL 38999/26.
- Status
- Published
- Publication Date
- 17-Feb-2015
- Withdrawal Date
- 30-Aug-2015
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 2 - Electrical
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 18-Feb-2015
- Completion Date
- 18-Feb-2015
Overview
EN 3645-008:2015 is a key European standard specifying non-release plugs with grounding rings for electrical connectors in aerospace applications. This standard is part of the EN 3645 series developing circular, scoop-proof connectors with triple start threaded coupling designed to operate continuously at high temperatures of 175 °C or 200 °C. Managed by CEN (European Committee for Standardization), the standard ensures interoperability, safety, and performance of plugs in demanding aerospace electrical systems.
The connectors defined in EN 3645-008:2015 are derived from and compatible with various MIL-DTL-38999/26 models (W, J, K, F, M, Z), widely used internationally, enhancing their adaptability in global aerospace manufacturing and maintenance.
Key Topics
Scope
Specifies physical and technical characteristics of plugs with grounding rings, focusing on high-temperature resistance and reliability for aerospace use.Connector Family
Circular electrical connectors with scoop-proof design and triple start threaded coupling ensuring secure connections resistant to vibrations and environmental factors.Operating Temperatures
Designed for continuous operation at 175 °C or 200 °C, critical for aerospace environments with high thermal demands.Material and Surface Treatment
Various shells made from cadmium-plated aluminium alloy, stainless steel, nickel-plated plastics, or zinc-nickel plated alloys, providing options for corrosion resistance and mechanical strength.Models Covered
Models W, J, K, F, M, and Z as per Table 2, covering different materials and performance attributes such as salt spray resistance and fire resistance.Interchangeability
Specifications ensure these plugs are interchangeable with military standards MIL-DTL-38999/26 models, facilitating integration with existing aerospace systems.Technical Specifications and Designation
Comprehensive designation system to classify connectors by model, shell size, grounding features, contact arrangements, and polarization, aiding clear identification and procurement.
Applications
EN 3645-008 connectors are primarily used in aerospace electrical systems where robust, reliable, and high-temperature tolerant electrical connections are critical, including:
- Aircraft wiring harnesses subject to high temperatures
- Avionics equipment requiring secure grounding and electrical shielding
- Military and commercial aerospace platforms needing compliance with European and international standards
- Equipment exposed to harsh environmental conditions such as salt spray and vibration
- Systems demanding connectors compatible with MIL-DTL-38999/26 for maintenance and upgrade flexibility
These applications benefit from the plug’s grounding ring feature, protecting against electrical interference and ensuring safe current return paths, essential for operational safety and electromagnetic compatibility in aerospace.
Related Standards
EN 3645-008:2015 works in conjunction with other parts of the EN 3645 series, offering a full suite of standards for aerospace circular connectors:
- EN 3645-001: Technical specifications for the connector family
- EN 3645-002: Contact performance and sealing plugs
- EN 3645-003 to EN 3645-005, 007, 009, 010: Standards covering receptacles and protective covers linked to EN 3645-008 plugs
- MIL-DTL-38999/26: U.S. military specification for circular connectors that EN 3645-008 connectors are compatible with
Utilizing EN 3645-008 alongside these standards helps manufacturers, engineers, and maintenance teams ensure comprehensive compliance and interoperability across aerospace connector systems.
Keywords: EN 3645-008:2015, aerospace connectors, circular electrical connectors, grounding ring plug, triple start threaded coupling, high-temperature connectors, MIL-DTL-38999/26 compatible, CEN standard, aerospace electrical systems, connector designation, salt spray resistance, fire resistant connectors
Relations
- Effective Date
- 25-Feb-2015
- 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
- 15-Apr-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
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Frequently Asked Questions
EN 3645-008:2015 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Connectors, electrical, circular, scoop-proof, triple start threaded coupling operating temperature 175 °C or 200 °C continuous - Part 008: Non release plug with grounding ring - Product standard". This standard covers: This European Standard specifies the characteristics of plugs with grounding rings in the family of circular, electrical connectors, with triple start threaded coupling. It applies to models in Table 2. For contacts, sealing plugs and cable outlet accessories associated with this plug see EN 3645-002. For receptacles and protective covers, see EN 3645-003, EN 3645-004, EN 3645-005, EN 3645-007, EN 3645 009 and EN 3645-010 respectively. These connectors are derived from and interchangeable with models W, J, K, F, M and Z in specification MIL DTL 38999/26.
This European Standard specifies the characteristics of plugs with grounding rings in the family of circular, electrical connectors, with triple start threaded coupling. It applies to models in Table 2. For contacts, sealing plugs and cable outlet accessories associated with this plug see EN 3645-002. For receptacles and protective covers, see EN 3645-003, EN 3645-004, EN 3645-005, EN 3645-007, EN 3645 009 and EN 3645-010 respectively. These connectors are derived from and interchangeable with models W, J, K, F, M and Z in specification MIL DTL 38999/26.
EN 3645-008:2015 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 3645-008:2015 has the following relationships with other standards: It is inter standard links to EN 3645-008:2007, EN 3645-010:2019, EN 3645-002:2024, EN 3645-009:2019, EN 3645-001:2022, EN 3645-004:2019, EN 3645-005:2019, EN 3155-008:2026, EN 3645-002:2015, EN 3645-003:2015, EN 3645-009:2006, EN 2591-318:2018, EN 2591-326:2018, EN 3660-063:2009, EN 3660-002:2006. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
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