SACE Emax DC: Direct Current Applications - VAE ProSys sro

Circuit diagramsCircuit diagram symbols (IEC 60617 and CEI 3-14 ... 3-26Standards)Shield(may be drawnin any shape)TerminalPosition switch (limit switch)change-over break beforemake contactDelayPlug and socket(male and female)Circuit-breaker-disconnectorwith automatic releaseMechanical connection(link)Motor(general symbol)Switch-disconnector(on-load isolating switch)Manually operatedcontrol (general case)Current transformerOperating device(general symbol)Operated by turningVoltage transformerInstantaneousovercurrent or rate-of-riserelayOperated by pushingWinding of three-phasetransformer, connectionstarOvercurrent relay withadjustable short time-lagcharacteriticEquipotentialityMake contactOvercurrent relay withinverse short time-lagcharacteriticConverter withgalvanic separatorBreak contactOvercurrent relaywith inverse long time-lagcharacteriticConductors in a screenedcable (i.e., 3 conductorsshown)Change-over break beforemake contactEarth fault overcurrent relaywith inverse short time-lagcharacteriticTwisted conductors (i.e., 3conductors shown)Position switch (limit switch),make contactFuse(general symbol)Connection of conductorsPosition switch (limit switch),break contactCurrent sensingelement36ABB SACE