Protection of bus-tie circuit breakers: long time delay overcurrent and instantaneous overcurrent.
汇流排联络断路器保护：长延时过流、瞬时过流保护。
These circuit breakers should have the long time-delay over-current devices on each polar whose rated value can be adjusted from 80% to 160%.
这些断路器应在每极上装有额定值从80%至160%可调的长延时过电流装置。
应用推荐