SIST EN 3662-001:2025
(Main)Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 20 A to 50 A - Part 001: Technical specification
Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 20 A to 50 A - Part 001: Technical specification
This document specifies the three-pole temperature compensated circuit breakers with signal contacts, polarized or not, rated from 20 A to 50 A and used in aircraft on-board circuits. It describes specific environmental, electrical and mechanical characteristics and the stringency of tests to be applied according to test methods of EN 3841-100.
These circuit breakers are intended for use in aircraft with electrical supplies in accordance with EN 2282 (all categories).
Luft- und Raumfahrt - Schutzschalter, dreipolig, Temperaturkompensiert, Nennströme von 20 A bis 50 A - Teil 001: Technische Lieferbedingungen
Série aérospatiale - Disjoncteurs tripolaires compensés en température, intensités nominales 20 A à 50 A - Partie 001 : Spécification technique
Le présent document spécifie les disjoncteurs tripolaires compensés en température avec contacts de signalisation, polarisés ou non, à intensité nominale de 20 A à 50 A, utilisés dans les circuits embarqués des aéronefs. Il décrit les caractéristiques d'environnement, électriques et mécaniques spécifiques, et la rigueur des essais à appliquer conformément aux méthodes d’essais de l’EN 3841 100.
Ces disjoncteurs sont destinés à être utilisés à bord des aéronefs avec une alimentation électrique conforme à l’EN 2282 (toutes catégories).
Aeronavtika - Odklopniki, tripolni, temperaturno kompenzirani, naznačeni tok od 20 A do 50 A - 001. del: Tehnična specifikacija
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Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2025
Aeronavtika - Odklopniki, tripolni, temperaturno kompenzirani, naznačeni tok od
20 A do 50 A - 001. del: Tehnična specifikacija
Aerospace series - Circuit breakers, three-pole, temperature compensated, rated
currents 20 A to 50 A - Part 001: Technical specification
Luft- und Raumfahrt - Schutzschalter, dreipolig, Temperaturkompensiert, Nennströme
von 20 A bis 50 A - Teil 001: Technische Lieferbedingungen
Série aérospatiale - Disjoncteurs tripolaires compensés en température, intensités
nominales 20 A à 50 A - Partie 001 : Spécification technique
Ta slovenski standard je istoveten z: EN 3662-001:2024
ICS:
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 3662-001
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2024
EUROPÄISCHE NORM
ICS 49.060 Supersedes EN 3662-001:2006
English Version
Aerospace series - Circuit breakers, three-pole,
temperature compensated, rated currents 20 A to 50 A -
Part 001: Technical specification
Série aérospatiale - Disjoncteurs tripolaires compensés Luft- und Raumfahrt - Schutzschalter, dreipolig,
en température, intensités nominales 20 A à 50 A - temperaturkompensiert, Nennströme von 20 A bis 50
Partie 001 : Spécification technique A - Teil 001: Technische Lieferbedingungen
This European Standard was approved by CEN on 6 October 2024.
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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3662-001:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 5
4 Description . 6
5 Design . 6
5.1 Materials . 6
5.1.1 Metallic materials . 6
5.1.2 Insulation materials . 6
5.2 Design . 6
5.2.1 Insulating box . 6
5.2.2 Free release mechanism . 6
5.2.3 Attachment . 6
5.2.4 Electrical connection units . 6
5.2.5 Control actuator . 7
5.2.6 Rating inviolability . 7
5.2.7 Leakage lines . 7
5.2.8 Protection against non-release . 7
6 Characteristics . 7
6.1 General characteristics . 7
6.2 Ratings . 8
6.3 Nominal voltage of main contacts . 8
6.4 Signal contact performances . 8
6.5 Dimensional characteristics . 9
6.6 Recommended panel mounting dimensions . 9
7 Tests . 9
7.1 Mechanical tests . 9
7.2 Environmental tests . 10
7.3 Electrical tests . 16
8 Qualification tests . 18
8.1 Sampling . 18
8.2 Material tests . 23
8.3 Periodic checks for qualification maintenance . 23
9 Quality assurance . 23
10 Marking . 23
11 Delivery conditions . 23
12 Packaging . 23
13 Storage . 23
13.1 Definition . 23
13.2 Storage conditions . 23
13.3 Storage duration . 24
Bibliography . 25
European foreword
This document (EN 3662-001:2024) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by June 2025, and conflicting national standards shall be withdrawn at
the latest by June 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 3662-001:2006.
The main changes with respect to the previous edition are as follows:
— EN 3662-001 (P4), 08/2006:
o g replaced by g-PK for sinusoidal and low frequencies;
n
o g replaced by Grms for random.
n
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this document: 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, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
1 Scope
This document specifies the three-pole temperature compensated circuit breakers with signal contacts,
polarized or not, rated from 20 A to 50 A and used in aircraft on-board circuits. It describes specific
environmental, electrical and mechanical characteristics and the stringency of tests to be applied
according to test methods of EN 3841-100.
These circuit breakers are intended for use in aircraft with electrical supplies in accordance with
EN 2282.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 2083, Aerospace series — Copper or copper alloy conductors for electrical cables — Product standard
EN 2825, Aerospace series — Burning behaviour of non-metallic materials under the influence of
radiating heat and flames — Determination of smoke density
EN 2826, Aerospace series — Burning behaviour of non-metallic materials under the influence of
radiating heat and flames — Determination of gas components in the smoke
EN 3841-100, Aerospace series — Circuit breakers — Test methods — Part 100: General
EN 3841-201, Aerospace series — Circuit breakers — Test methods — Part 201: Visual inspection
EN 3841-202, Aerospace series — Circuit breakers — Test methods — Part 202: Dimensions and masses
EN 3841-301:2004, Aerospace series — Circuit breakers — Test methods — Part 301: Voltage drop
EN 3841-302, Aerospace series — Circuit breakers — Test methods — Part 302: Insulation resistance
EN 3841-303, Aerospace series — Circuit breakers — Test methods — Part 303: Dielectric strength
EN 3841-304, Aerospace series — Circuit breakers — Test methods — Part 304: Tripping points
EN 3841-305, Aerospace series — Circuit breakers — Test methods — Part 305: Short-circuit performance
EN 3841-306, Aerospace series — Circuit breakers — Test methods — Part 306: Service life
EN 3841-307, Aerospace series — Circuit breakers — Test methods — Part 307: Performance with a
locked tripping system
EN 3841-308, Aerospace series — Circuit breakers — Test methods — Part 308: Lightning
EN 3841-401, Aerospace series — Circuit breakers — Test methods — Part 401: Sand and dust
EN 3841-402, Aerospace series — Circuit breakers — Test methods — Part 402: Corrosion
Published as ASD-STAN prEN at the date of publication of this document, available at:
https://www.asd-stan.org/.
EN 3841-403, Aerospace series — Circuit breakers — Test methods — Part 403: Humidity
EN 3841-405, Aerospace series — Circuit breakers — Test methods — Part 405: Fluid resistance
EN 3841-406, Aerospace series — Circuit breakers — Test methods — Part 406: Flammability
EN 3841-501
...
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