Ang kontrol at signal na circuit ng tatlong-out-of-two incoming circuit breaker

FU:Puse
SFA:pamamalit na switch
SFB:pamamalit na button
KFM:Intermediate relay
CBC:Closing coil
QA:Travel switch
CBO:Opening coil
PGR:Pulang signal light
PGG:Bughaw na signal light
PGW:Puti na signal light
BG1:Circuit breaker hand test position
BG2:Circuit breaker hand working position