The electrical auxiliaries are combined with iC60 circuit breakers, iID residual current circuit breakers, remote tripping switch disconnector iSW-NA , RCA remote controls and ARA automatic reclosers; they enable tripping or remote indication of their position (open/closed/tripped) upon a fault.
Indication Auxiliaries
iOF: open/close contact
iSD: fault indicating contact
iOF/SD+OF: open/close contact and switchable OF or SD contact.