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naSRPS EN 2665-004:2025

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

General information

40.20     Aug 20, 2026

40.60    Oct 22, 2026

ISS

S020

European Norm

49.060  

English  

Buying

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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
SRPS EN 2665-004:2014

NOW

PROJECT
naSRPS EN 2665-004:2025
40.20 DIS ballot initiated: 12 weeks
Aug 20, 2026

Related project

Adopted from prEN 2665-004 IDENTICAL

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