Metering & protection

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Polarity device36 · SLD / Schematic Position switch33 · SLD / Schematic Position-changing mechanism75 · SLD / Schematic Potential test switchTS · Schematic Power factor protection55 · SLD / Schematic Power quality analyserPQ · SLD / Schematic Power quality meterPQM · GA / SLD / Schematic Power-factor meterPF · SLD / Schematic Prepayment energy meterkWh · SLD / Schematic Pressure measurement interfaceP MEAS · Schematic Pressure switch or relay63 · SLD / Schematic Pressure-to-current converterHIN1B10 · Schematic Presumed-fault-location indicationQ021701 · Schematic Process-bus maintenance isolation boundaryPMIB · Schematic Process-bus redundant-network interfacePRI · Schematic Process-network link-health inputPLI · Schematic Protection communication-failure fallbackPCF · Schematic Protection relay IEDGA · GA / Schematic Protection relay panelGA · GA / Schematic Protection-core CT secondary circuitPCSC · Schematic Protection-winding VT secondary circuitPVSC · Schematic PTP boundary-clock interfacePBI · Schematic PTP client synchronization statusPCSS · Schematic PTP grandmaster timing interfacePGTI · Schematic Pyrometer indicationHIN1P25 · Schematic Radar level sensing functionRAD LVL · Schematic Rate-of-change relay7 · SLD / Schematic Rate-of-change-of-frequency protection81R · SLD / Schematic Reactive-energy meterkvarh · SLD / Schematic Reactive-power metervar · SLD / Schematic Reactive-power undervoltage protection27Q · SLD / Schematic Recording ammeterA · SLD / Schematic Recording instrument general symbol* · SLD / Schematic Recording voltmeterV · SLD / Schematic Recording wattmeterW REC · SLD / Schematic Rectification failure relay58 · SLD / Schematic Regulating device90 · SLD / Schematic Relative humidity sensorRH · Schematic Relay test blockTB · Schematic Remote-control communications-loss inhibitRCI · Schematic Residual connection of phase CTsCT RES · SLD / Schematic Residual current monitorRCM · SLD / Schematic Residual or neutral overvoltage59N · SLD / Schematic Residual-voltage monitoring relayU RES · SLD / Schematic Residual-voltage winding connection referenceRWCR · Schematic Resistance temperature detectorRTD · Schematic Resistive voltage divider sensorRVD · SLD / Schematic Restrained current differential protection87R · SLD / Schematic Restricted ground differential protection87GD · SLD / Schematic Reverse-current measuring relayK · Schematic / SLD Reverse-power protection32R · SLD / Schematic Reversing device9 · SLD / Schematic Rheostat70 · SLD / Schematic Rogowski coil current sensorRC · SLD / Schematic RTD-based thermal protection49R · SLD / Schematic Running circuit breaker42 · SLD / Schematic Running-hours meterHOURS · SLD / Schematic Sampled-values missing-stream alarmSMA · Schematic Sampled-values relay subscriptionSRS · Schematic Sampled-values stream quality gateSSQG · Schematic Schneider Electric MiCOM protection relaysMiCOM protection relays · GA / Schematic Schneider Electric PowerLogic P5 protection relaysPowerLogic P5 protection relays · GA / Schematic Schneider Electric PowerLogic PM5000PowerLogic PM5000 · GA / Schematic Schneider Electric PowerLogic PM8000PowerLogic PM8000 · GA / Schematic Select-before-operate command interfaceSCI · Schematic Separate excitation device31 · SLD / Schematic Sequence-of-events recorderSOE · Schematic Short-circuiting or grounding device57 · SLD / Schematic Shunting or discharge switch17 · SLD / Schematic Single-phase AC-to-DC current converterHIN1G1 · Schematic Single-pole trip selection blockSTSB · Schematic Speed or frequency matching device15 · SLD / Schematic Split-core current transformerGA · GA / Schematic Starting circuit breaker6 · SLD / Schematic Starting-to-running transition contactor19 · SLD / Schematic Station alarm acknowledgement return pathSAARP · Schematic Station alarm timestamp interfaceSATI · Schematic Station analogue scaling interfaceSASI · Schematic Station battery charge-current measurementSBCM · Schematic Station battery condition-monitor gatewaySBCG · Schematic Station battery continuity supervisionSBCS · Schematic Station battery discharge-current measurementSBDM · Schematic Station battery high-voltage alarm blockSBHAB · Schematic Station battery incoming isolation boundarySBIIB · Schematic Station battery low-voltage alarm blockSBLAB · Schematic Station battery temperature-compensation interfaceSBTI · Schematic Station charger AC-failure indicationSCAI · Schematic Station charger boost-charge interfaceSCBI · Schematic Station charger current-limit interfaceSCCI · Schematic Station charger DC-output failure indicationSCDFI · Schematic Station charger float-charge interfaceSCFI · Schematic Station charger redundant-unit sharing interfaceSCRSI · Schematic Station clock holdover-state indicationSCHI · Schematic Station clock loss-of-sync alarmSCLA · Schematic Station communications gateway boundarySCGB · Schematic Station controller watchdog alarm interfaceSCWAI · Schematic Station DC bus-tie operating interfaceSDBOI · Schematic Station DC dual-bus segregationSDDS · Schematic Station DC earth-fault location interfaceSDELI · Schematic Station DC essential-load priority mapSDEPM · Schematic