Acti9 Auxiliaries 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 Tripping auxiliaries: iMN: undervoltage release iMNs: delayed undervoltage release iMNx: undervoltage release, independant from supply voltage iMX: shunt release iMX+OF: shunt release with open/close contact. Indication auxiliaries: iOF: open/close contact iSD: fault indicating contact iOF/SD+OF: open/close contact and switchable OF or SD contact.