开关熔丝 meaning in English

switch-fuse

High - voltage alternating current switch - fuse combinations
高压交流开关熔丝组件
When power on , the fuse burnout
接通电源开关熔丝即断
Guide for the application , operation , and maintenance of high - voltage fuses , distribution enclosed single - pole air switches , fuse disconnecting switches , and accessories
高压熔断器配电封口单极空气开关熔丝切断开关及附件的应用操作和维护指南