This standard specifies the required characteristics for three-pole,temperature compensated circuit breakers,rated currents from 2A to 25A, switching capacity 65 I,UNC thread terminals, for use in aircraft electrical system.Their operating temperatures are between-55degree C and 125degree C for rated currents equal or lower than 15A and between -55 degree C and 90 degree C for rated currents higher than 15A,at a maximum altitude of Z=22000m. It shall be used together with EN 3771-001. These circuit breaks are intended for use in aircraft with electrical supplies in accordance with EN 2282.
EN 3774-004-1999由欧洲标准化委员会 IX-CEN 发布于 1999-06-01。
EN 3774-004-1999 在中国标准分类中归属于: V25 电子元器件,在国际标准分类中归属于: 49.060 航空航天用电气设备和系统。
* 在 EN 3774-004-1999 发布之后有更新,请注意新发布标准的变化。
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