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Luft- und Raumfahrt - Schutzschalter, lichtbogen(überschlags)sensitiv, dreipolig, Temperaturkompensiert, Nennströme von 3 A bis 25 A - 115 V a.c. 400 Hz Konstantfrequenz - Teil 001: Technische Lieferbedingungen

ÖNORM EN 4839-001: 2017 12 15

Zurückziehung: 2019 01 15 > Aktuelles Dokument anzeigen


This European Standard specifies the three-poles temperature compensated arc fault circuit breakers without signal contacts, rated from 3 A to 25 A and used in aircraft on-board circuits. In any operating state a "trip-free" tripping is ensured. These Items are designed to protect aircraft wiring system from circuit overload and arc faults. It describes specific environmental, electrical and mechanical characteristics and the stringency of tests to be applied according to test methods of EN 3841-100. If the design of the arc fault circuit breakers contains software or complex hardware, as a minimum, the software and hardware shall be developed in accordance with RTCA DO-178B or C, DAL C and RTCA DO-254, DAL C, respectively. These circuit breakers are intended for use in aircraft with electrical supplies in accordance with EN 2282.


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