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SRPS EN 4838-005:2019

Aerospace series - Arc fault circuit breakers, single-pole, temperature compensated, rated current 3 A to 25 A - 115 V a.c. 400 Hz Constant Frequency - Part 005: With polarized signal contact - Product standard

Nov 29, 2019

General information

90.93     Jan 21, 2025

90.00    Jan 21, 2030

ISS

S020

European Norm

49.060  

English  

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Scope

This European Standard specifies the required characteristics for single-pole, arc fault circuit breakers rated currents from 3 A to 25 A, switching capacity 65 In, for use in aircraft electrical systems. Their operating temperatures are between  40 °C to 85 °C at a maximum altitude of Z = 15 000 m. The thermal protection is temperature compensated and operates between  55 °C and 125 °C.
These circuit breaker 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

NOW

PUBLISHED
SRPS EN 4838-005:2019
90.93 Standard confirmed
Jan 21, 2025

Related project

Adopted from EN 4838-005:2019