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Norm

ÖNORM EN 4839-003

Issue date: 2019 01 15

Aerospace series - Arc Fault Circuit breakers, three-pole, temperature compensated, rated currents 3 A to 25 A, 115/200 V a.c. 400 Hz constant frequency - Part 003: Without auxiliary contacts - Product standard

This European Standard specifies the required characteristics for three-pole, arc fault circuit breakers, rated currents from 3 A to 25 A, switching capacity 65 In, for u...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 13 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
Committee 237: Aerospace
ICS
49.060
Topics
Electric & lighting engineering, Aircraft and space vehicle engineering - Electric equipment, Aerospace electric equipment and systems
This European Standard specifies the required characteristics for three-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 arc fault 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.
ÖNORM EN 4839-003
2019 01 15
Aerospace series - Arc Fault Circuit breakers, three-pole, temperature compensated, rated currents 3...
Norm
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