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ČSN EN 4839-003 (311758)
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
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STANDARD published on 1.4.2019
The information about the standard:
Designation standards: ČSN EN 4839-003
Classification mark: 311758
Catalog number: 506595
Publication date standards: 1.4.2019
SKU: NS-944913
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN 4839-003 (311758):
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
Preview of the standard ČSN EN 4839-003 (311758)
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