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prEN 2665-004

Aerospace series - Circuit breakers, three-pole, temperature compensated, rated current 20 A to 50 A - Part 004: UNC thread terminals - Product standard prEN 2665-004

Publication date:   Aug 20, 2026

General information

40.20   DIS ballot initiated: 12 weeks   Aug 20, 2026

CEN

ASD-STAN Aerospace

European Norm

49.060   Aerospace electric equipment and systems

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Scope

This document specifies the characteristics of three-pole circuit breakers, temperature compensated with a rated current from 20 A to 50 A, used in aircraft on-board circuits at a temperature between −55 °C and 90 °C at an altitude of 15 000 m max.
These circuit breakers are operated by a push-pull type single pushbutton (actuator), with delayed action "trip-free" tripping
They will continue to function up to the short-circuit current.

Life cycle

PREVIOUSLY

PUBLISHED
EN 2665-004:2013

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IN_DEVELOPMENT
prEN 2665-004
40.20 DIS ballot initiated: 12 weeks
Aug 20, 2026




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