EN 3841-503:2004
(Main)Aerospace series - Circuit breakers - Test methods - Part 503: Strength of actuating components
Aerospace series - Circuit breakers - Test methods - Part 503: Strength of actuating components
This standard specifies a method of verifying the strength of the actuating components of circuit breakers.
It shall be used together with EN 3841-100.
Luft- und Raumfahrt - Schutzschalter - Prüfverfahren - Teil 503: Festigkeit der Betätigungselemente
Série aérospatiale - Disjoncteurs - Méthodes d'essais - Partie 503 : Résistance des éléments de commande
Aeronavtika - Odklopniki - Preskusne metode - 503. del: Trdnost prožilnih elementov
General Information
- Status
- Published
- Publication Date
- 21-Dec-2004
- Withdrawal Date
- 29-Jun-2005
- 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
- 11-Feb-2026
Relations
- Referred By
EN 3841-100:2024 - Aerospace series - Circuit breakers - Test methods - Part 100: General - 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 3841-503:2004 is a European standard developed by CEN as part of the Aerospace series focused on circuit breakers. Specifically, this standard details the test method for verifying the strength of actuating components such as push buttons in aerospace circuit breakers. It is intended to ensure the durability and mechanical strength of these critical components under operational stresses. EN 3841-503:2004 is to be used in conjunction with EN 3841-100, which provides general test methods for circuit breakers in the aerospace sector.
Key Topics
- Strength Verification: The standard specifies how to assess the mechanical robustness of actuating components under defined load conditions.
- Transverse Load Testing: Involves applying designated forces perpendicularly to the direction of travel of the actuator, in both open and closed positions.
- Longitudinal Load Testing: Requires applying forces in the direction of actuation (push and pull) to ensure component integrity.
- Damage Criteria: No damage should occur to the actuator as a result of the applied loads, underscoring the reliability needed for aerospace applications.
- Complementary Standards: This standard must be read and applied together with EN 3841-100, which outlines general requirements for test methods specific to aerospace circuit breakers.
Applications
EN 3841-503:2004 is highly relevant in contexts where safety, reliability, and performance of electrical systems are paramount:
- Aerospace Equipment Testing: Used by manufacturers and testing laboratories to confirm the robustness of actuating mechanisms in aircraft circuit breakers, essential for flight safety.
- Product Qualification and Certification: Supports regulatory and quality compliance in the aeronautical industry, aiding in certification processes.
- Design Validation: Assists engineers in validating new designs or improvements to actuating components, ensuring they withstand operational stresses encountered in aviation environments.
- Maintenance and Replacement: Guides maintenance teams in selecting and verifying replacements for actuating components to maintain system integrity.
- OEM and Supplier Quality Assurance: Ensures suppliers provide compliant and durable components, reducing risk of in-service failures in aerospace electric equipment and systems.
Related Standards
For comprehensive testing and certification, EN 3841-503:2004 should be used alongside other relevant standards, including:
- EN 3841-100: Aerospace series - Circuit breakers - Test methods - Part 100: General
- Provides the foundational test requirements for all subsequent parts in the EN 3841 series.
- EN 3841 Series: Covers various methods for testing different characteristics of aerospace circuit breakers, such as endurance, environmental resistance, and electrical performance.
- ICS 49.060: International Classification for Standards related to aerospace electric equipment and systems.
Practical Value
Implementing EN 3841-503:2004 provides significant benefits for aerospace manufacturers and operators by:
- Enhancing safety and reliability of critical flight systems.
- Assuring regulatory compliance with European and international aerospace standards.
- Supporting quality assurance programs through rigorous, repeatable test methods.
- Reducing the risk of mechanical failure in high-stress environments.
- Fostering interoperability and standardization across the supply chain for aerospace electrical equipment and systems.
For any organization involved in the development, certification, or maintenance of aerospace circuit breakers, adherence to EN 3841-503:2004 ensures that actuating components meet strict industry standards for strength and dependability.
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Frequently Asked Questions
EN 3841-503:2004 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Circuit breakers - Test methods - Part 503: Strength of actuating components". This standard covers: This standard specifies a method of verifying the strength of the actuating components of circuit breakers. It shall be used together with EN 3841-100.
This standard specifies a method of verifying the strength of the actuating components of circuit breakers. It shall be used together with EN 3841-100.
EN 3841-503:2004 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 3841-503:2004 has the following relationships with other standards: It is inter standard links to EN 3841-100:2024, EN 2665-001:2023, EN 2995-001:2023, EN 3774-001:2024, EN 3662-001:2024, EN 2794-001:2014, EN 4839-001:2018, EN 3773-001:2024, EN 3774-001:2014, EN 3661-001:2024, EN 4838-001:2018, EN 2665-001:2013, EN 2996-001:2023, EN 2794-001:2023. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 3841-503:2004 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)
SLOVENSKI STANDARD
01-april-2005
Aeronavtika - Odklopniki - Preskusne metode - 503. del: Trdnost prožilnih
elementov
Aerospace series - Circuit breakers - Test methods - Part 503: Strength of actuating
components
Luft- und Raumfahrt - Schutzschalter - Prüfverfahren - Teil 503: Festigkeit der
Betätigungselemente
Série aérospatiale - Disjoncteurs - Méthodes d'essais - Partie 503 : Résistance des
éléments de commande
Ta slovenski standard je istoveten z: EN 3841-503:2004
ICS:
49.060 /HWDOVNDLQYHVROMVND Aerospace electric
HOHNWULþQDRSUHPDLQVLVWHPL equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN 3841-503
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2004
ICS 49.060
English version
Aerospace series - Circuit breakers - Test methods - Part 503:
Strength of actuating components
Série aérospatiale - Disjoncteurs - Méthodes d'essais - Luft- und Raumfahrt - Schutzschalter - Prüfverfahren - Teil
Partie 503 : Résistance des éléments de commande 503: Festigkeit der Betätigungselemente
This European Standard was approved by CEN on 10 September 2004.
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 Central Secretariat 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 Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2004 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3841-503:2004: E
worldwide for CEN national Members.
Contents Page
Foreword.3
1 Scope .4
2 Normative references .
...




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