EN 3774-004-1999 航空航天系列.配电容量65 In、额定电流2 A～25 A、温度补偿、三级断路器.第004部分:UNC螺纹终端.产品标准
Aerospace Series - Circuit Breakers, Three-Pole, Temperature Compensated, Rated Currents 2 A to 25 A, Switching Capacity 65 In - Part 004: UNC Thread Terminals - Product Standard
This standard specifies the required characteristics for three-pole,temperature compensated circuit breakers,rated currents from 2A to 25A, switching capacity 65 In,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.