BS EN 2794-001:2023

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Aerospace series. Circuit breakers, single-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 single-pole temperature compensated circuit breakers 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).

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PDF Pages	PDF Title
2	undefined
6	1 Scope 2 Normative references 3 Terms and definitions 4 Description
7	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 5.2.5 Control actuator
8	5.2.6 Rating inviolability 5.2.7 Leakage lines 5.2.8 Protection against non-release 6 Characteristics 6.1 General characteristics 6.2 Ratings 6.3 Nominal voltage of operational circuits
9	6.4 Dimensional characteristics 6.5 Recommended panel mounting dimensions 7 Tests 7.1 Mechanical tests 7.2 Environmental tests
15	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
22	12 Packaging 13 Storage 13.1 Definition 13.2 Storage conditions 13.3 Storage duration

Additional information

Status	Definitive
Pages	24
Publication Date	2023-11-08
ISBN	978 0 539 14672 1
Standard Number	BS EN 2794-001:2023
Title	Aerospace series. Circuit breakers, single-pole, temperature compensated, rated currents 20 A to 50 A – Technical specification
Identical National Standard Of	EN 2794-001
Replaces	BS EN 2794-001:2014
Descriptors	Switchgear, Vibration testing, Electrical insulation, Overload (electric), Electrical testing, Circuit-breakers, Single, Torque, Mechanical testing, Rated current, Performance, Short-circuit current tests, Force, Temperature, Electrical protection equipment, Acceleration, Dielectric strength, Aircraft components, Voltage fluctuations, Electrical resistance, Rated voltage, Mechanical properties of materials, Environment (working), Height, Short-circuit currents, Environmental testing, Tripping mechanisms (circuit-breakers), Life (durability)
Publisher	BSI
Committee	ACE/6
ICS Codes	49.060 - Aerospace electric equipment and systems

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BS EN 2794-001:2023

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