Paralleling breaker a paralleling breaker is the circuit breaker that connects the generator set to the emergency bus, and across which all the individual generator synchronizing functions occur.
并联开关并联开关是连接发电机组和应急母排的线路断路器，所有的单个发电机通过它完成同步运行。
2
Double circuit power supply and emergencygenerator for the building.