Secondary circuit diagram of power supply entry circuit breaker cabinet

BB:Microcomputer line protection measurement and control device
SFA:Selector switch
PGW:Puting liwanag
PGG:Berying liwanag
PGR:Pulang liwanag
FU:Fuse
XG:Connecting piece
V:Rectifier bridge
CBO:Opening coil
QA:Circuit breaker
BG:Travel switch
SFU:Transfer switch