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in stockReleased: 2024-06-01
UNE EN 3774-004:2024
Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 1 A to 25 A - Part 004: UNC thread terminals - Product standard (Endorsed by Asociación Española de Normalización in June of 2024.)
Material aeroespacial. Disyuntores tripolares de temperatura condensada, con corrientes nominales de 1 A a 25 A. Parte 004: Terminales roscados UNC. Norma de producto. (Ratificada por la Asociación Española de Normalización en junio de 2024.)
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| Standard number: | UNE EN 3774-004:2024 |
| Pages: | 14 |
| Released: | 2024-06-01 |
| Status: | Standard |
DESCRIPTION
UNE EN 3774-004:2024
This document specifies the characteristics of three-pole circuit breakers, temperature compensated with a rated current from 1 A to 25 A, used in aircraft on-board circuits at a temperature between "55 °C and 125 °C for ratings d" 15 A and "55 °C to 90 °C for ratings > 15 A and at an altitude of 22 000 m max. These 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.