BSI 20/30425389 DC 2020

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BS EN 2794-001. Aerospace series. Circuit breakers, single-pole, temperature compensated, rated currents 20 A to 50 A – Part 001. Technical specification

Published By	Publication Date	Number of Pages
BSI	2020	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
7	1 Scope 2 Normative references 3 Terms and definitions 4 Description
8	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
9	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
10	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
11	7.2 Environmental tests
16	7.3 Electrical tests
18	8 Qualification tests 8.1 Sampling
22	8.2 Material tests 8.3 Periodic checks for qualification maintenance 9 Quality assurance 10 Marking 11 Delivery conditions
23	12 Packaging 13 Storage 13.1 Definition 13.2 Storage conditions 13.3 Storage duration

Additional information

Status	Definitive
Pages	24
Publication Date	2020-08-06
Standard Number	20/30425389 DC
Title	BS EN 2794-001. Aerospace series. Circuit breakers, single-pole, temperature compensated, rated currents 20 A to 50 A – Part 001. Technical specification
Identical National Standard Of	prEN 2794-001
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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BSI 20/30425389 DC 2020

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