Ang kontrol ug signal circuit sa three-out-of-two incoming circuit breaker

FU:Fuse
SFA:switch sa pagbago
SFB:buton sa pagbago
KFM:Intermediate relay
CBC:Closing coil
QA:Travel switch
CBO:Opening coil
PGR:Pulang signal light
PGG:Beringteng signal light
PGW:Puting signal light
BG1:Position sa hand test sa circuit breaker
BG2:Position sa hand working sa circuit breaker