IEC symbol forms

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Permanent-magnet synchronous generatorG 3PH PM · SLD / Schematic Phase-angle meterPHASE · SLD / Schematic Phase-sequence indicatorPSI · Schematic Phase-to-neutral voltmeter selectorHSW1S91 · Schematic Phase-to-phase voltmeter selectorHSW1S90 · Schematic PhotodiodePD · Schematic Photoelectric emitter-receiver switchPHOTO · Schematic Photoelectric light switch plan markPE · GA Photovoltaic generatorPV GEN · SLD / Schematic PLC input / outputPLC I/O · Schematic Plug and jack with common pin numberX · Schematic Plug and socket connector pairPLUG SOCKET · Schematic Plug-in buswayBD · SLD / GA Point of common couplingPCC · SLD Polarised relay coilK POL · Schematic Pole-mounted luminaire plan markLP · GA Positive-operation direction qualifierQ070109 · Schematic PotentiometerPOT · SLD / Schematic Power converter / inverterPCS · SLD / Schematic Power distribution blockX · Schematic / GA Power plant controllerPPC · SLD Power quality analyserPQ · SLD / Schematic Power transformerTX · SLD / Schematic Power-contactor function qualifierQ070101 · SLD / Schematic Power-factor meterPF · SLD / Schematic Prepayment energy meterkWh · SLD / Schematic Preset-adjustable capacitorHCA1_S00575 · Schematic Pressure switch NCPS NC · Schematic Pressure switch NOPS NO · Schematic Pressure-to-current converterHIN1B10 · Schematic Presumed-fault-location indicationQ021701 · Schematic Protected-access manual-operation qualifierQ021302 · Schematic Protective conductor markPE · SLD / Schematic Protective earthPE · SLD / Schematic Protective equipotential bondingBOND PE · SLD / Schematic Pull-cord switchPULL CORD · Schematic Push button plan markPB · GA Push-to-test indicator lampLAMP TEST · Schematic Pushbutton-operation qualifierQ021305 · Schematic PV central inverterINV CTR · SLD PV microinverterMI · SLD / Schematic PV string inverterINV STR · SLD Pyrometer indicationHIN1P25 · Schematic Rate-of-rise heat detector plan symbolHD-R · GA RC networkRC · SLD / Schematic RCD-protected socket outletSO-RCD · GA Reactive-power metervar · SLD / Schematic ReactorL · SLD / Schematic Recessed downlight plan markDL · GA Recording ammeterA · SLD / Schematic Recording instrument general symbol* · SLD / Schematic Recording voltmeterV · SLD / Schematic Recording wattmeterW REC · SLD / Schematic Rectified-current with AC component qualifierQ020212 · SLD / Schematic Relay coilCoil · Schematic Relay coil with capacitor suppressionK CAP · Schematic Relay coil with diode and LEDK D LED · Schematic Relay coil with diode suppressionK DIODE · Schematic Relay coil with RC suppressionK RC · Schematic Relay reset coilK RESET · Schematic Relay test blockTB · Schematic Removable earth test linkE · SLD / Schematic Residual connection of phase CTsCT RES · SLD / Schematic Residual current monitorRCM · SLD / Schematic Residual-current breaker with overcurrent protectionRCBO · SLD / Schematic Residual-current circuit breakerRCCB · SLD / Schematic Resistance temperature detectorRTD · Schematic Resistive load bankLB · SLD Resistive voltage divider sensorRVD · SLD / Schematic Resistive-reactive load bankLB RL · SLD ResistorR · Schematic Resistor with disconnecting sliderHVR1R5 · Schematic Reverse-current measuring relayK · Schematic / SLD Rogowski coil current sensorRC · SLD / Schematic Roller-operated limit switchLS ROLLER · Schematic Roller-operation qualifierQ021315 · Schematic Room thermostat plan markTS · GA Rotary UPSRUPS · SLD Rotary-operation qualifierQ021304 · Schematic Rotating beaconBEACON ROT · Schematic Running-hours meterHOURS · SLD / Schematic Screened conductorW · Schematic Screened conductor with earthed screenW · Schematic Screened multi-conductor cableW · Schematic Screened twisted pairW · Schematic Sealed cable endW · SLD / GA Selector switchSS · Schematic Self-operating thermal switchTS SELF · Schematic Semiconductor power switchSSW · SLD / Schematic Separable cable connectorX · SLD / Schematic Separately excited DC motorM DC SEP · SLD / Schematic Series-excited DC motorM DC SERIES · SLD / Schematic Server symbolSRV · Schematic / GA Shaver supply unitSSU · GA Shunt-excited DC motorHMO1M8 · SLD / Schematic Signal-reception qualifierQ020505 · Schematic Signal-transmission qualifierQ020504 · Schematic Silicon-controlled rectifierSCR · Schematic Simultaneous bidirectional propagation qualifierQ020502 · Schematic Single battery cellGB cell · Schematic