BS EN 2665-001:2023

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Aerospace series. Circuit breakers, three-pole, temperature compensated, rated currents 20 A to 50 A – Technical specification

Published By	Publication Date	Number of Pages
BSI	2023	24

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Description

This document specifies the three-pole temperature compensated circuit breakers without signal contacts, 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.

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PDF Pages	PDF Title
2	undefined
6	1 Scope 2 Normative references 3 Terms and definitions
7	4 Description 5 Design 5.1 Materials 5.1.1 Metallic materials 5.1.2 Insulation materials 5.2 Design 5.2.1 Insulating box 5.2.2 Free release mechanism 5.2.3 Attachment 5.2.4 Electrical connection units
8	5.2.5 Control actuator 5.2.6 Rating inviolability 5.2.7 Leakage lines 5.2.8 Protection against non-release 6 Characteristics 6.1 General characteristics
9	6.2 Ratings 6.3 Nominal voltage of operational circuits 6.4 Dimensional characteristics 6.5 Recommended panel mounting dimensions 7 Tests 7.1 Mechanical tests
10	7.2 Environmental tests
14	7.3 Electrical tests
17	8 Qualification tests 8.1 Sampling
21	8.2 Material tests 8.3 Periodic checks for qualification maintenance 9 Quality assurance 10 Marking 11 Delivery conditions 12 Packaging 13 Storage 13.1 Definition 13.2 Storage conditions
22	13.3 Storage duration

Additional information

Status	Definitive
Pages	24
Publication Date	2023-11-08
ISBN	978 0 539 14671 4
Standard Number	BS EN 2665-001:2023
Title	Aerospace series. Circuit breakers, three-pole, temperature compensated, rated currents 20 A to 50 A – Technical specification
Identical National Standard Of	EN 2665-001
Replaces	BS EN 2665-001:2013
Descriptors	Switchgear, Rated voltage, Short-circuit currents, Aircraft components, Electrical equipment, Temperature, Performance, Electrical properties of materials, Electrical testing, Ratings, Electrical resistance, Circuit-breakers, Environmental testing, Electrical insulation, Height, Mechanical testing, Rated current, Tri-pole circuit-breakers, Loading, Mechanical properties of materials
Publisher	BSI
Committee	ACE/6
ICS Codes	49.060 - Aerospace electric equipment and systems

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BS EN 2665-001:2023

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