NA 131

DIN Standards Committee Aerospace

Project

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

Abstract

This document specifies the characteristics of single-pole circuit breakers, temperature compensated with a rated current from 20 A to 25 A, used in aircraft on-board circuits at a temperature between −55 °C and 125 °C and at an altitude of 15 000 m max. These circuit breakers are operated by a push-pull type single push button (actuator), with delayed action "trip-free" tripping. They will continue to function up to the short-circuit current.

Begin

2025-01-21

WI

04004951

Planned document number

DIN EN 2794-004

Project number

13116849

Responsible national committee

NA 131-04-05 AA - Switch, relays and protection devices  

Responsible european committee

ASD-STAN/D 2/WG 5 - Protection Devices  

previous edition(s)

Aerospace series - Circuit breakers, single-pole, temperature compensated, rated currents 20 A to 50 A - Part 004: UNC thread terminals - Product standard; German and English version EN 2794-004:2014
2014-05

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