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EN 3774-003:1999

Current

Current

The latest, up-to-date edition.

Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 2 A to 25 A, switching capacity 65 /n - Part 003: Metric thread terminals - Product standard

Published date

23-06-1999

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Foreword
1 Scope
2 Normative references
3 Definitions
4 Required characteristics
5 Designation
6 Marking

This standard specifies the required characteristics for three-pole, temperature compensated circuit breakers, rated currents from 2 A to 25 A, switching capacity 65 In, metric threads terminals, for use in aircraft electrical systems. Their operating temperatures are between -55°C and 125°C for rated currents equal or lower than 15 A and between -55°C and 90°C for rated currents higher than 15 A, at a maximum altitude of Z = 22000 m. It shall be used together with EN 3774-001. These circuit breakers are intended for use in aircraft with electrical supplies in accordance with EN 2282.

Committee
ASD-STAN
DevelopmentNote
Supersedes PREN 3774-003. (12/2002) To be read in conjunction with EN 3774-001 (03/2004)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

EN 2282:1992 Aerospace series - Characteristics of aircraft electrical supplies
ISO 1190-1:1982 Copper and copper alloys — Code of designation — Part 1: Designation of materials
ISO 7045:2011 Pan head screws with type H or type Z cross recess Product grade A
EN 3774-001:2014 Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 1 A to 25 A - Part 001: Technical specification
ISO 965-2:1998 ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general purpose external and internal screw threads — Medium quality
EN 2350:1990 Aerospace series - Circuit breakers - Technical specification

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