BS EN 4839-003:2018规定了三极电弧故障断路器所需的特性， 飞机电气系统用额定电流3 A至25 A，开关容量65英寸。他们的 在Z=15 000 m的最大高度，工作温度在-40°C到85°C之间。热 保护是温度补偿的，在-55°C和125°C之间运行。交叉参考:TR 6083EN 3841-305EN 4839-001EN 3841-100FED-STD-595BEN 6113购买本文件时提供的所有当前修订版均包含在购买本文件中。

BS EN 4839-003:2018 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.Cross References:TR 6083EN 3841-305EN 4839-001EN 3841-100FED-STD-595BEN 6113All current amendments available at time of purchase are included with the purchase of this document.