IEC symbol forms

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Gas engine generator setGG · SLD Gas flow switchFS GAS · Schematic Gas turbine generatorGTG · SLD Gas-discharge protection tubeGDT · SLD / Schematic Gas-flow actuation qualifierQ021404 · Schematic Gate-turn-off thyristorGTO · Schematic General-purpose full-range fusegG · SLD / Schematic GeneratorGEN · SLD / Schematic Generic electrical loadLOAD · SLD / Schematic Genset controllerGC · SLD / Schematic Grid equivalent sourceEQ SRC · SLD Grid-following inverterGFL · SLD Grid-forming inverterGFM · SLD Handwheel-operation qualifierQ021309 · Schematic Heating elementHEATER · SLD / Schematic High-speed relayK FAST · Schematic Hybrid inverterHYB INV · SLD Hydro turbine generatorHG · SLD Hydrogen electrolyserELY · SLD IEC adder (Σ)Σ · Schematic IEC address dependency (A)Am · Schematic IEC analogue multiplier elementΠ · Schematic IEC AND dependency (G)Gm · Schematic IEC AND gate (rectangular form)& · Schematic IEC AND-OR-invert elementAOI · Schematic IEC arithmetic logic unit (ALU)ALU · Schematic IEC astable elementG · Schematic IEC backward diode: backward (unitunnel) diodeBACKWARD · Schematic IEC BCD-to-seven-segment decoderBCD/7SEG · Schematic IEC bidirectional (universal) shift registerSRG4 · Schematic IEC binary decoder (X/Y coder)BIN/OCT · Schematic IEC buffer element (rectangular form)1 · Schematic IEC capacitive proximity sensor: capacitive switch, normally closedCAP · Schematic IEC capacitive proximity sensor: capacitive switch, normally openCAP · Schematic IEC capacitive proximity sensor: normally closed 3 wireCAP · Schematic IEC capacitive proximity sensor: normally closed 3 wire with connectorCAP · Schematic IEC capacitive proximity sensor: normally open 3 wireCAP · Schematic IEC capacitive proximity sensor: normally open 3 wire with connectorCAP · Schematic IEC clocked SR flip-flop1S 1R · Schematic IEC combined photoelectric sensor: form c emitter-receiver AC driven 5 pinTX · Schematic IEC combined photoelectric sensor: form c emitter-receiver DC driven 5 pinTX · Schematic IEC combined photoelectric sensor: normally closed emitter-receiver - DC drivenTX · Schematic IEC combined photoelectric sensor: normally closed emitter-receiver AC driven 3 pinTX · Schematic IEC combined photoelectric sensor: normally closed emitter-receiver AC driven 4 pinTX · Schematic IEC combined photoelectric sensor: normally closed emitter-receiver AC/DC driven 2 pinTX · Schematic IEC combined photoelectric sensor: normally closed emitter-receiver DC driven 3 pinTX · Schematic IEC combined photoelectric sensor: normally closed emitter-receiver DC driven 4 pinTX · Schematic IEC combined photoelectric sensor: normally open emitter-receiver AC driven 3 pinTX · Schematic IEC combined photoelectric sensor: normally open emitter-receiver AC driven 4 pinTX · Schematic IEC combined photoelectric sensor: normally open emitter-receiver AC/DC driven 2 pinTX · Schematic IEC combined photoelectric sensor: normally open emitter-receiver DC driven 3 pinTX · Schematic IEC combined photoelectric sensor: normally open emitter-receiver DC driven 4 pinTX · Schematic IEC common-control blockCCB · Schematic IEC common-output elementCOE · Schematic IEC control dependency (C)Cm · Schematic IEC D flip-flop (rectangular form)1D · Schematic IEC decade counter (CTR DIV10)CTR DIV10 · Schematic IEC differentiator element (d/dt)d/dt · Schematic IEC dynamic input (edge-triggered)DYN · Schematic IEC dynamic input with negation (falling edge)DYN-NEG · Schematic IEC enable input (EN)EN · Schematic IEC even-parity element2k · Schematic IEC exclusive-NOR gate (rectangular form)=1 · Schematic IEC exclusive-OR gate (rectangular form)=1 · Schematic IEC first-in first-out memory (FIFO)FIFO · Schematic IEC fused switching form: 1 phase disconnect with fuseQS · Schematic IEC fused switching form: 1 phase maneuver switch/disconnect with fuseQS · Schematic IEC fused switching form: maneuver switch with fuseQS · Schematic IEC fused switching form: power auto switch/disconnectQS · Schematic IEC general code converter (X/Y)X/Y · Schematic IEC hysteresis (bi-threshold) qualifierHYST · Schematic IEC inductive proximity sensor: ferrous proximity switch, normally closedIND · Schematic IEC inductive proximity sensor: ferrous proximity switch, normally openIND · Schematic IEC inductive proximity sensor: normally closed 3 wireIND · Schematic IEC inductive proximity sensor: normally closed 3 wire with connectorIND · Schematic IEC inductive proximity sensor: normally open 3 wire with connectorIND · Schematic IEC integrator element (∫)∫ · Schematic IEC interconnection dependency (Z)Zm · Schematic IEC JK flip-flop (rectangular form)1J 1K · Schematic IEC logic identity element= · Schematic IEC logic negation at inputNEG-IN · Schematic IEC logic negation at outputNEG-OUT · Schematic IEC look-ahead carry generator (CPG)CPG · Schematic IEC magnetic proximity sensor: magnetic proximity switch, normally closedMAG · Schematic IEC magnetic proximity sensor: magnetic proximity switch, normally openMAG · Schematic IEC magnetic proximity sensor: normally closed 3 wireMAG · Schematic IEC magnetic proximity sensor: normally closed 3 wire with connectorMAG · Schematic IEC magnetic proximity sensor: normally open 3 wireMAG · Schematic IEC magnetic proximity sensor: normally open 3 wire with connectorMAG · Schematic IEC magnitude comparator (COMP)COMP · Schematic IEC mechanical position-switch contact: 2 position switch normally closed with detents and lampLS · Schematic IEC mechanical position-switch contact: 2 position switch normally open with detents and lampLS · Schematic IEC mechanical position-switch contact: bi-directional lever actuated - normally closedLS · Schematic IEC mechanical position-switch contact: bi-directional lever actuated - normally closed with detentLS · Schematic IEC mechanical position-switch contact: bi-directional lever actuated - normally openLS · Schematic IEC mechanical position-switch contact: bi-directional lever actuated - normally open with detentLS · Schematic IEC mechanical position-switch contact: four-directional lever actuated - normally closedLS · Schematic IEC mechanical position-switch contact: four-directional lever actuated - normally closed with detentLS · Schematic IEC mechanical position-switch contact: four-directional lever actuated - normally openLS · Schematic IEC mechanical position-switch contact: four-directional lever actuated - normally open with detentLS · Schematic