Electrical referenceMy legend

The catalogue directory

Every reference.
One useful index.

1095 independently authored references for electrical drafting. Browse by subject or jump to a collection. Each entry links to its explanation, original concept illustration and supporting public sources.

Power distribution

Switching, protection, transformers and power equipment used in electrical distribution drawings.

182 references →

Metering & protection

Instrument transformers, measurement, protection relays and device-function numbers.

237 references →

Control circuits

Contacts, coils, control devices, timing, interlocking and automation references.

296 references →

Connections & wiring

Terminals, conductors, cable systems, connections and earthing references.

77 references →

Equipment layouts

Equipment envelopes, cabinet components and interfaces used in general arrangement drawings.

79 references →

Microgrid systems

Generation, storage, conversion and supporting equipment for microgrid power stations.

94 references →

Electronic components

Passive components, semiconductor devices and electronic elements used in power conversion, sensing and control schematics.

55 references →

Logic & signals

Logic gates, signal processing and analogue functions used in control, automation and electronic diagrams.

63 references →

Installation & communications

Installation, lighting, communication and network symbols used in switchrooms and supporting electrical systems.

12 references →

Manufacturer CAD resources

6,095 file listings at their official sources, counted separately from the technical references below.

AutomationDirect4,535 CAD file listings DEIF7 CAD file listings Fuji Electric Corp. of America212 CAD file listings Greenheck9 CAD file listings NHP Electrical Engineering Products1,263 CAD file listings PULS3 CAD file listings Victron Energy64 CAD file listings Westermo2 CAD file listings

Search manufacturer part codes and filenames →

Symbols

Explore electrical symbols and meaningful variants used in single line diagrams and control schematics, with definitions, drawing notes, public sources and original concept illustrations.

AC relay coilK AC · Schematic AC uninterruptible power supplyUPS AC · SLD / Schematic AC-to-DC power supplyPSU AC-DC · SLD / Schematic Active band-pass filterBPF · Schematic Active front-end rectifierAFE · Schematic / SLD Active high-pass filterHPF · Schematic Active low-pass filterLPF · Schematic Active notch filterNOTCH · Schematic Active-clamp forward topologyACF · Schematic / SLD Active-energy meterkWh · SLD / Schematic Active-power indicatorkW · SLD / Schematic Actuator terminal blockTB ACT · Schematic Additional cable-core markerHW02 · Schematic Additional circuit-breaker poleCB POLE · SLD / Schematic Additional fused-switch poleFUSE POLE · SLD / Schematic Adjustable capacitorC ADJ · SLD / Schematic Adjustable-core inductorL ADJ · SLD / Schematic Adjustable-ratio transformerTX ADJ · SLD / Schematic Air circuit breakerACB · SLD / Schematic Alternating bidirectional propagation qualifierQ020503 · Schematic Alternating-current supply qualifierQ020204 · SLD / Schematic AmmeterA · SLD / Schematic Ampere-hour meterAh · SLD / Schematic Analog current signal isolatorISO I-I · SLD / Schematic Analogue bilateral switchA-SW · Schematic Analogue multiplexerA-MUX · Schematic Analogue multiplierMULT · Schematic Analogue-to-digital converterADC · Schematic AND gateAND · Schematic ANSI/IEEE ac relay coil symbolK AC · Schematic ANSI/IEEE adjustable capacitor symbolC ADJ · SLD / Schematic ANSI/IEEE adjustable-core inductor symbolL ADJ · SLD / Schematic ANSI/IEEE adjustable-ratio transformer symbolTX ADJ · SLD / Schematic ANSI/IEEE ammeter symbolA · SLD / Schematic ANSI/IEEE capacitor symbolC · SLD / Schematic ANSI/IEEE changeover contact symbolCO · Schematic ANSI/IEEE circuit breaker symbolCB · SLD / Schematic ANSI/IEEE circuit breaker with electronic trip unit symbolCB ETU · SLD / Schematic ANSI/IEEE circuit breaker with undervoltage release symbolCB UV · SLD / Schematic ANSI/IEEE connector plug half symbolPLUG · Schematic ANSI/IEEE connector socket half symbolSOCKET · Schematic ANSI/IEEE current transformer symbolCT · SLD / Schematic ANSI/IEEE current transformer with two secondaries symbolCT 2SEC · SLD / Schematic ANSI/IEEE current-limiting circuit breaker symbolCB LIM · SLD / Schematic ANSI/IEEE current-measuring shunt symbolSHUNT · SLD / Schematic ANSI/IEEE dc generator symbolG DC · SLD / Schematic ANSI/IEEE dc motor symbolM DC · SLD / Schematic ANSI/IEEE diode symbolD · Schematic ANSI/IEEE disconnector symbolIsolator · SLD / Schematic ANSI/IEEE early-break normally-closed contact symbolNC EARLY · Schematic ANSI/IEEE early-make normally-open contact symbolNO EARLY · Schematic ANSI/IEEE electrolytic capacitor symbolC ELEC · SLD / Schematic ANSI/IEEE electrostatically screened transformer symbolTX SCREEN · SLD / Schematic ANSI/IEEE feedthrough capacitor symbolC FEED · SLD / Schematic ANSI/IEEE float level switch nc symbolLS FLOAT NC · Schematic ANSI/IEEE float level switch no symbolLS FLOAT NO · Schematic ANSI/IEEE four-position key selector symbolKEY SEL 4 · Schematic ANSI/IEEE four-position maintained selector symbolSEL 4 HOLD · Schematic ANSI/IEEE frequency meter symbolHz · SLD / Schematic ANSI/IEEE functional earth symbolFE · SLD / Schematic ANSI/IEEE fuse symbolFU · SLD / Schematic ANSI/IEEE fuse-switch symbolFUSE SW · SLD / Schematic ANSI/IEEE fused switch symbolSW FUSE · SLD / Schematic ANSI/IEEE gapped-core inductor symbolL GAP · SLD / Schematic ANSI/IEEE heating element symbolHEATER · SLD / Schematic ANSI/IEEE illuminated normally-closed pushbutton symbolPB NC LAMP · Schematic ANSI/IEEE illuminated normally-open pushbutton symbolPB NO LAMP · Schematic ANSI/IEEE indicator lamp symbolLamp · Schematic ANSI/IEEE iron-core reactor symbolL IRON · SLD / Schematic ANSI/IEEE late-break normally-closed contact symbolNC LATE · Schematic ANSI/IEEE late-make normally-open contact symbolNO LATE · Schematic ANSI/IEEE led indicator lamp symbolLAMP LED · Schematic ANSI/IEEE light-dependent resistor symbolLDR · SLD / Schematic ANSI/IEEE liquid flow switch symbolFS LIQ · Schematic ANSI/IEEE lockable disconnector symbolDS LOCK · SLD / Schematic ANSI/IEEE lockable switch-disconnector symbolSD LOCK · SLD / Schematic ANSI/IEEE maintained normally-closed contact symbolNC HOLD · Schematic ANSI/IEEE maintained normally-closed pushbutton symbolPB NC HOLD · Schematic ANSI/IEEE maintained normally-open contact symbolNO HOLD · Schematic ANSI/IEEE maintained normally-open pushbutton symbolPB NO HOLD · Schematic ANSI/IEEE mechanically latched relay coil symbolK LATCH · Schematic ANSI/IEEE motor overload alarm no contact symbolOL NO · Schematic ANSI/IEEE motor overload trip nc contact symbolOL NC · Schematic ANSI/IEEE normally closed contact symbolNC · Schematic ANSI/IEEE normally closed pushbutton symbolPB NC · Schematic ANSI/IEEE normally open contact symbolNO · Schematic ANSI/IEEE normally open pushbutton symbolPB NO · Schematic ANSI/IEEE normally-closed limit switch symbolLS NC · Schematic ANSI/IEEE normally-open limit switch symbolLS NO · Schematic ANSI/IEEE numbered terminal symbolTERM 1 · Schematic ANSI/IEEE off-delay normally-closed contact symbolTOFF NC · Schematic ANSI/IEEE off-delay normally-open contact symbolTOFF NO · Schematic ANSI/IEEE off-delay timer relay symbolTOFF · Schematic ANSI/IEEE on-delay normally-closed contact symbolTON NC · Schematic ANSI/IEEE on-delay normally-open contact symbolTON NO · Schematic ANSI/IEEE on-delay timer relay symbolTON · Schematic ANSI/IEEE permanent-magnet dc motor symbolM DC PM · SLD / Schematic ANSI/IEEE photodiode symbolPD · Schematic ANSI/IEEE plug and socket connector pair symbolPLUG SOCKET · Schematic ANSI/IEEE polarised relay coil symbolK POL · Schematic ANSI/IEEE potentiometer symbolPOT · SLD / Schematic ANSI/IEEE power transformer symbolTX · SLD / Schematic ANSI/IEEE power-factor meter symbolPF · SLD / Schematic ANSI/IEEE pressure switch nc symbolPS NC · Schematic ANSI/IEEE pressure switch no symbolPS NO · Schematic ANSI/IEEE protective earth symbolPE · SLD / Schematic ANSI/IEEE push-to-test indicator lamp symbolLAMP TEST · Schematic ANSI/IEEE reactive-power meter symbolvar · SLD / Schematic ANSI/IEEE reactor symbolL · SLD / Schematic ANSI/IEEE recording wattmeter symbolW REC · SLD / Schematic ANSI/IEEE relay coil symbolCoil · Schematic ANSI/IEEE relay coil with diode suppression symbolK DIODE · Schematic ANSI/IEEE relay coil with rc suppression symbolK RC · Schematic ANSI/IEEE relay reset coil symbolK RESET · Schematic ANSI/IEEE resistor symbolR · Schematic ANSI/IEEE roller-operated limit switch symbolLS ROLLER · Schematic ANSI/IEEE running-hours meter symbolHOURS · SLD / Schematic ANSI/IEEE selector switch symbolSS · Schematic ANSI/IEEE silicon-controlled rectifier symbolSCR · Schematic ANSI/IEEE single-phase ac motor symbolM 1PH AC · SLD / Schematic ANSI/IEEE single-phase autotransformer symbolAT 1PH · SLD / Schematic ANSI/IEEE single-phase bridge rectifier symbolBR 1PH · Schematic ANSI/IEEE switch-disconnector symbolSD · SLD / Schematic ANSI/IEEE synchronoscope symbolSYNC SCOPE · SLD / Schematic ANSI/IEEE tapped-secondary current transformer symbolCT TAP · SLD / Schematic ANSI/IEEE temperature switch nc symbolTS NC · Schematic ANSI/IEEE temperature switch no symbolTS NO · Schematic ANSI/IEEE terminal connection symbolTerminal · Schematic ANSI/IEEE thermal circuit breaker symbolCB TH · SLD / Schematic ANSI/IEEE thermal-magnetic circuit breaker symbolCB TM · SLD / Schematic ANSI/IEEE three-phase ac motor symbolM 3PH · SLD / Schematic ANSI/IEEE three-phase synchronous generator symbolG 3PH SYNC · SLD / Schematic ANSI/IEEE three-position centre-return selector symbolSEL 3 CRET · Schematic ANSI/IEEE three-position key selector symbolKEY SEL 3 · Schematic ANSI/IEEE three-position maintained selector symbolSEL 3 HOLD · Schematic ANSI/IEEE three-winding transformer symbolTX 3W · SLD / Schematic ANSI/IEEE transformer-fed indicator lamp symbolLAMP TX · Schematic ANSI/IEEE triac symbolTRIAC · Schematic ANSI/IEEE variable resistor symbolR VAR · SLD / Schematic ANSI/IEEE varistor symbolVDR · SLD / Schematic ANSI/IEEE voltage transformer symbolVT / PT · SLD / Schematic ANSI/IEEE voltmeter symbolV · SLD / Schematic ANSI/IEEE wire splice symbolSPLICE · Schematic ANSI/IEEE wound-rotor induction motor symbolM WR · SLD / Schematic ANSI/IEEE zener diode symbolZD · Schematic Audible bellHAN1B · Schematic Audible buzzerHAN1Z · Schematic Audible sirenHAN1S · Schematic Automatic mechanical-return indicationQ021207 · Schematic Automatic-trip qualifierQ070105 · Schematic BatteryBAT · SLD / Schematic Bidirectional breakdown diodeTVS BI · Schematic Bidirectional-energy-flow qualifierQ020508 · SLD / Schematic Binary decoder / demultiplexerDEC · Schematic Binary full adderADD · Schematic Boost converter topologyBOOST · Schematic / SLD Bootstrap gate-drive supplyBOOT · Schematic Buck converter topologyBUCK · Schematic / SLD BusbarBus · SLD / Schematic Cable identification markerHW01 · Schematic Cam-operated limit switchLS CAM · Schematic Cam-operation qualifierQ021316 · Schematic Cam-profile indicationQ021317 · Schematic Capacitive digital isolatorDIG-ISO · Schematic Capacitive proximity switchPROX CAP · Schematic CapacitorC · SLD / Schematic Capacitor buffer moduleBUFFER CAP · SLD / Schematic Capacitor voltage transformerCVT / CCVT · SLD / Schematic Carbon-disc variable resistorHVR1R8 · Schematic Changeover contactCO · Schematic Circuit breakerCB · SLD / Schematic Circuit breaker with electronic trip unitCB ETU · SLD / Schematic Circuit breaker with undervoltage releaseCB UV · SLD / Schematic Circuit-breaker function qualifierQ070102 · SLD / Schematic Clock generatorCLK-GEN · Schematic Clock indicationHIN1P29 · Schematic Combined line and phase voltmeter selectorHSW1S92 · Schematic Combined loudspeaker and microphoneHAN1B8 · Schematic Component terminal blockTB COMP · Schematic Compound-excited DC generatorG DC COMP · SLD / Schematic Conductor connection junctionJUNCTION · Schematic Connector changing wire identityHCN1PJ · Schematic Connector plug halfPLUG · Schematic Connector retaining wire identityHC01PJ · Schematic Connector socket halfSOCKET · Schematic ContactorKM · SLD / Schematic Converter substationCONV STN · SLD / Schematic Core-balance current transformerCBCT · SLD / Schematic Counter relay with electrical resetCOUNT ELEC · Schematic Counter relay with manual resetCOUNT MAN · Schematic Crank-operation qualifierQ021214 · Schematic CT test terminalCT test · Schematic Cuk converter topologyCUK · Schematic / SLD Current transformerCT · SLD / Schematic Current transformer with primary conductor indicationCT PRI · SLD / Schematic Current transformer with two secondariesCT 2SEC · SLD / Schematic Current window monitoring relayI WINDOW · SLD / Schematic Current-limiting circuit breakerCB LIM · SLD / Schematic Current-measuring shuntSHUNT · SLD / Schematic Current-sense amplifierCSA · Schematic DC generatorG DC · SLD / Schematic DC motorM DC · SLD / Schematic DC uninterruptible power supplyUPS DC · SLD / Schematic DC-to-AC inverterINV DC-AC · SLD / Schematic DC-to-DC converterDC-DC · SLD / Schematic Dd6 transformer connection referenceDd6 · SLD / Schematic Decoded decade counterDECADE · Schematic Delta winding connectionDELTA · SLD / Schematic Delta-delta transformerTX D-D · SLD / Schematic Delta-star transformerTX D-Y · SLD / Schematic DIACDIAC · Schematic Difference amplifierDIFF-AMP · Schematic Differential capacitorHCA1_S00573 · Schematic Differential voltmeterDELTA V · SLD / Schematic Differential-current measuring relayI DIFF · SLD / Schematic Digital magnitude comparatorMAG-COMP · Schematic Digital multiplexerMUX · Schematic Digital-to-analogue converterDAC · Schematic DiodeD · Schematic Diode terminal blockTB DIODE · Schematic Direct-current supply qualifierQ020201 · SLD / Schematic Disconnect terminal blockTB DISC · Schematic Disconnected mechanical couplingQ021217 · Schematic DisconnectorIsolator · SLD / Schematic Disconnector auxiliary NC contactDS AUX NC · SLD / Schematic Disconnector auxiliary NO contactDS AUX NO · SLD / Schematic Dual-active-bridge topologyDAB · Schematic / SLD Duplex power receptacleHCN1RDUP · Schematic Dy5 transformer connection referenceDy5 · SLD / Schematic Dy11 transformer connection referenceDy11 · SLD / Schematic Dz0 transformer connection referenceDz0 · SLD / Schematic Dz6 transformer connection referenceDz6 · SLD / Schematic Early-break normally-closed contactNC EARLY · Schematic Early-make normally-open contactNO EARLY · Schematic Earth connectionEARTH · SLD / Schematic Earthing switchES · SLD / Schematic Electrolytic capacitorC ELEC · SLD / Schematic Electromagnetic brake actuatorHSV1Y4 · Schematic Electronic fuse ICEFUSE · Schematic Electrostatically screened transformerTX SCREEN · SLD / Schematic Emergency-operation qualifierQ021308 · Schematic Emergency-stop operatorE-stop · Schematic Engaged mechanical couplingQ021218 · Schematic Event-count actuation qualifierQ021402 · Schematic Exclusive-NOR gateXNOR · Schematic Exclusive-OR gateXOR · Schematic Feed-through terminal blockTB FEED · Schematic Feedthrough capacitorC FEED · SLD / Schematic Flashing beaconBEACON FLASH · Schematic Flashing indicator lampLAMP FLASH · Schematic Float level switch NCLS FLOAT NC · Schematic Float level switch NOLS FLOAT NO · Schematic Flyback converter topologyFLYBACK · Schematic / SLD Foot-operated switchFOOT · Schematic Foot-operation qualifierQ021310 · Schematic Forward converter topologyFORWARD · Schematic / SLD Four-phase winding with accessible connectionQ060203 · SLD / Schematic Four-point current measurement selectorHSW1S95 · Schematic Four-position key selectorKEY SEL 4 · Schematic Four-position maintained selectorSEL 4 HOLD · Schematic Four-switch buck-boost topology4SW-BB · Schematic / SLD Frequency meterHz · SLD / Schematic Frequency monitoring relayf MON · SLD / Schematic Full-bridge DC converter topologyFB-DC · Schematic / SLD Fully differential amplifierFDA · Schematic Functional earthFE · SLD / Schematic Functional equipotential bondingBOND FE · SLD / Schematic FuseFU · SLD / Schematic Fuse terminal blockTB FUSE · Schematic Fuse-switchFUSE SW · SLD / Schematic Fused switchSW FUSE · SLD / Schematic GaN enhancement-mode HEMTE-HEMT · Schematic Gapped-core inductorL GAP · SLD / Schematic Gas flow switchFS GAS · Schematic 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 device boundaryHDV1T6 · Schematic Generic electrical loadLOAD · SLD / Schematic Half-bridge DC converter topologyHB-DC · Schematic / SLD Half-bridge power moduleHB-MOD · Schematic Handwheel-operation qualifierQ021309 · Schematic Heating elementHEATER · SLD / Schematic High-current terminal blockTB POWER · Schematic High-side gate driverHS-GD · Schematic High-speed relayK FAST · Schematic Hot-swap controllerHOT-SWAP · Schematic Ideal-diode controllerIDEAL-D · Schematic Illuminated normally-closed pushbuttonPB NC LAMP · Schematic Illuminated normally-open pushbuttonPB NO LAMP · Schematic Impulse tachometric transducerHIN1B12 · Schematic Inbound-energy-flow qualifierQ020507 · SLD / Schematic Indicator lampLamp · Schematic Inductive proximity switchPROX IND · Schematic Instrumentation amplifierINA · Schematic Insulated-gate bipolar transistorIGBT · Schematic Insulation-failure indicationQ021702 · Schematic Integrated gate-commutated thyristorIGCT · Schematic Inverting amplifier circuitINV-AMP · Schematic Inverting buck-boost topologyINV-BB · Schematic / SLD Ionising-radiation qualifierQ020903 · Schematic Iron-core reactorL IRON · SLD / Schematic Isolated gate driverISO-GD · Schematic Isolation amplifierISO-AMP · Schematic Isolation-function qualifierQ070103 · SLD / Schematic Key-controlled two-way latching deviceQ1029603 · Schematic Key-operated normally-closed switchKEY NC · Schematic Key-operated normally-open switchKEY NO · Schematic Key-operation qualifierQ021313 · Schematic Knife-disconnect terminalTB KNIFE · Schematic Latched foot-operated switchHFT11L · Schematic Latched key-operated switchKEY HOLD · Schematic Latched lever-operated switchHPB11LSL · Schematic Latched pull-cord switchHPC11L · Schematic Late-break normally-closed contactNC LATE · Schematic Late-make normally-open contactNO LATE · Schematic LED indicator lampLAMP LED · Schematic Lever-operated switchLEVER · Schematic Lever-operation qualifierQ021311 · Schematic Light-dependent resistorLDR · SLD / Schematic Light-emitting diodeLED · Schematic Limited two-way rotary-motion qualifierQ020405 · Schematic Liquid flow switchFS LIQ · Schematic Liquid-flow actuation qualifierQ021403 · Schematic Liquid-level actuation qualifierQ021401 · Schematic LLC resonant converter topologyLLC · Schematic / SLD Load-break switchLBS · SLD / Schematic Lockable disconnectorDS LOCK · SLD / Schematic Lockable switch-disconnectorSD LOCK · SLD / Schematic Logic bus transceiverBUS-TR · Schematic Logic inverterNOT · Schematic Logic voltage-level translatorLEVEL · Schematic Loss-of-voltage monitoring relayU LOSS · SLD / Schematic Loudspeaker annunciationHAN1B7 · Schematic Low-side gate driverLS-GD · Schematic Magnetic proximity switchPROX MAG · Schematic Magnetic-effect qualifierQ020802 · Schematic Magnetic-field-effect qualifierQ020804 · Schematic Magnetoresistive elementHVR1S00689 · Schematic Magnetostrictive-effect qualifierQ020803 · Schematic Maintained normally-closed contactNC HOLD · Schematic Maintained normally-closed pushbuttonPB NC HOLD · Schematic Maintained normally-open contactNO HOLD · Schematic Maintained normally-open pushbuttonPB NO HOLD · Schematic Maintained-position qualifierQ070108 · Schematic Make-before-break changeover contactMBB · Schematic Manual-operation qualifierQ021301 · Schematic Manually released latching deviceQ1020604 · Schematic Manually unlatched NC contactNC UNLATCH · Schematic Manually unlatched NO contactNO UNLATCH · Schematic Maximum-current monitoring relayI HIGH · SLD / Schematic Measuring relayK MEAS · Schematic Mechanical clutch connectionQ021216 · Schematic Mechanical gear connectionQ021223 · Schematic Mechanical interlock between devicesQ021211 · Schematic Mechanical stop latch in engaged stateQ021210 · Schematic Mechanical stop latch in neutral stateQ021209 · Schematic Mechanical stop-latch indicationQ021208 · Schematic Mechanically latched relay coilK LATCH · Schematic Microphone inputHAN1B9 · Schematic Miniature circuit breakerMCB · SLD / Schematic Minimum active-power relayP LOW · SLD / Schematic Minimum-current monitoring relayI LOW · SLD / Schematic Minute-pulse clock contactHIN1P33 · Schematic MOSFET body diodeBODY-D · Schematic Motor full-range fusegM · SLD / Schematic Motor overload alarm NO contactOL NO · Schematic Motor overload trip NC contactOL NC · Schematic Motor short-circuit fuseaM · SLD / Schematic Motor-operation qualifierQ021326 · Schematic Moulded-case circuit breakerMCCB · SLD / Schematic Multi-conductor terminal blockTB MULTI · Schematic Multilevel terminal blockTB LEVEL · Schematic N-channel depletion MOSFETN-DMOS · Schematic N-channel enhancement MOSFETN-MOS · Schematic N-channel JFETN-JFET · Schematic NAND gateNAND · Schematic Negative-edge JK flip-flopJK-FF · Schematic Neutral-point-clamped inverterNPC · Schematic / SLD Non-inverting amplifier circuitNI-AMP · Schematic Non-inverting logic bufferBUF · Schematic Non-ionising radiation qualifierQ020901 · Schematic Non-resettable counter relayCOUNT TOTAL · Schematic NOR gateNOR · Schematic Normally closed contactNC · Schematic Normally closed pushbuttonPB NC · Schematic Normally open contactNO · Schematic Normally open pushbuttonPB NO · Schematic Normally-closed limit switchLS NC · Schematic Normally-open limit switchLS NO · Schematic NPN bipolar transistorNPN · Schematic NPN Darlington transistorNPN-DAR · Schematic NPN phototransistorPHOTO-NPN · Schematic Off-delay normally-closed contactTOFF NC · Schematic Off-delay normally-open contactTOFF NO · Schematic Off-delay timer relayTOFF · Schematic On-delay normally-closed contactTON NC · Schematic On-delay normally-open contactTON NO · Schematic On-delay timer relayTON · Schematic One-line bus tapHDV1_BT_1- · SLD / Schematic One-line cable identificationHW01_1- · Schematic One-line connector representationHC01PJ_1- · Schematic One-line power receptacleHC01WR_1- · Schematic One-line terminal representationHT0001_1- · Schematic One-way linear-motion qualifierQ020401R · Schematic One-way rotary-motion qualifierQ020403 · Schematic Op-amp differentiatorDIFFERENTIATOR · Schematic Op-amp integratorINTEGRATOR · Schematic Open-collector bufferOC-BUF · Schematic Open-delta winding connectionOPEN D · SLD / Schematic Operational amplifierOP-AMP · Schematic Operational transconductance amplifierOTA · Schematic Optical tachometric transducerHIN1B13 · Schematic OR gateOR · Schematic Outbound-energy-flow qualifierQ020506 · SLD / Schematic P-channel enhancement MOSFETP-MOS · Schematic P-channel JFETP-JFET · Schematic Parallel-in serial-out registerPISO · Schematic Parity generator / checkerPARITY · Schematic Partial-V winding connectionQ060202 · SLD / Schematic Permanent-magnet DC motorM DC PM · SLD / Schematic Permanent-magnet linear DC motorHMO1M14 · SLD / Schematic Permanent-magnet stepping motorHMO1M15 · SLD / Schematic Permanent-magnet synchronous generatorG 3PH PM · SLD / Schematic Phase-angle meterPHASE · SLD / Schematic Phase-locked loopPLL · Schematic Phase-loss monitoring relayPH LOSS · SLD / Schematic Phase-shifted full-bridge topologyPSFB · Schematic / SLD Phase-to-neutral voltmeter selectorHSW1S91 · Schematic Phase-to-phase voltmeter selectorHSW1S90 · Schematic PhotodiodePD · Schematic Photodiode optocouplerOPTO-PD · Schematic Photoelectric emitter-receiver switchPHOTO · Schematic Phototransistor optocouplerOPTO-TR · Schematic Phototriac optocouplerOPTO-TRIAC · Schematic Photovoltaic generatorPV GEN · SLD / Schematic Photovoltaic inverterPV INV · SLD / Schematic Photovoltaic MOSFET driverPV-DRV · Schematic PIN diodePIN · Schematic PLC analog inputAI · Schematic PLC analog outputAO · Schematic PLC digital inputDI · Schematic PLC input / outputPLC I/O · Schematic PLC relay outputDO RELAY · Schematic PLC temperature inputTI · Schematic PLC transistor outputDO TRANS · Schematic Plug and socket connector pairPLUG SOCKET · Schematic Plug-in terminal blockTB PLUG · Schematic PNP bipolar transistorPNP · Schematic PNP Darlington transistorPNP-DAR · Schematic Polarised relay coilK POL · Schematic Positive-edge D flip-flopD-FF · Schematic Positive-operation direction qualifierQ070109 · Schematic PotentiometerPOT · SLD / Schematic Power converter / inverterPCS · SLD / Schematic Power transformerTX · SLD / Schematic Power-contactor function qualifierQ070101 · SLD / Schematic Power-factor meterPF · SLD / Schematic Precision rectifierPREC-RECT · 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 Priority encoderENC-PRI · Schematic Protected-access manual-operation qualifierQ021302 · Schematic Protective earthPE · SLD / Schematic Protective equipotential bondingBOND PE · SLD / Schematic Protective-earth terminal blockTB PE · Schematic Pull-cord switchPULL CORD · Schematic Push-pull converter topologyPUSH-PULL · Schematic / SLD Push-to-test indicator lampLAMP TEST · Schematic Pushbutton-operation qualifierQ021305 · Schematic Pyrometer indicationHIN1P25 · Schematic RC networkRC · SLD / Schematic Reactive-energy meterkvarh · SLD / Schematic Reactive-power metervar · SLD / Schematic ReactorL · SLD / Schematic Recording wattmeterW REC · SLD / Schematic Rectified-current with AC component qualifierQ020212 · SLD / Schematic Redundant power-supply decoupling modulePSU RED · SLD / Schematic Reference-only wire arrowHA1X1 · 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 Residual connection of phase CTsCT RES · SLD / Schematic Residual-current breaker with overcurrent protectionRCBO · SLD / Schematic Residual-current circuit breakerRCCB · SLD / Schematic Residual-voltage monitoring relayU RES · SLD / Schematic Resistance temperature detectorRTD · Schematic ResistorR · Schematic Resistor with disconnecting sliderHVR1R5 · Schematic Retriggerable monostableONE-SHOT · Schematic Ripple binary counterCTR-RIP · Schematic RMS-to-DC converterRMS-DC · Schematic Roller-operated limit switchLS ROLLER · Schematic Roller-operation qualifierQ021315 · Schematic Rotary-operation qualifierQ021304 · Schematic Rotating beaconBEACON ROT · Schematic Running-hours meterHOURS · SLD / Schematic Sample-and-hold amplifierS/H · Schematic Schmitt-trigger bufferSCHMITT · Schematic Schmitt-trigger inverterSCHMITT-NOT · Schematic Schottky diodeSBD · Schematic Selector switchSS · Schematic Self-operating thermal switchTS SELF · Schematic Semiconductor power switchSSW · SLD / Schematic Sensor terminal blockTB SENSOR · Schematic Separately excited DC motorM DC SEP · SLD / Schematic SEPIC converter topologySEPIC · Schematic / SLD Serial-in parallel-out registerSIPO · Schematic Series voltage referenceVREF-S · Schematic Series-excited DC motorM DC SERIES · SLD / Schematic Set-reset latchSR-LATCH · Schematic Shift register with output latchSHIFT-LATCH · Schematic Shunt voltage referenceVREF-H · Schematic Shunt-excited DC motorHMO1M8 · SLD / Schematic Signal-reception qualifierQ020505 · Schematic Signal-transmission qualifierQ020504 · Schematic Silicon-controlled rectifierSCR · Schematic Simultaneous bidirectional propagation qualifierQ020502 · Schematic Single power receptacleHCN1RSGL · Schematic Single-phase AC motorM 1PH AC · SLD / Schematic Single-phase AC sourceAC 1PH · SLD / Schematic Single-phase AC-to-DC current converterHIN1G1 · Schematic Single-phase autotransformerAT 1PH · SLD / Schematic Single-phase bridge rectifierBR 1PH · Schematic Single-phase motor with fanM 1PH FAN · SLD / Schematic Single-phase series-connected AC motorHMO1M10 · SLD / Schematic Single-phase synchronous motorHMO1M16 · SLD / Schematic Single-phase two-winding transformerTX 1PH · SLD / Schematic Single-phase voltage-source inverter1PH-VSI · Schematic / SLD Single-pole circuit breakerCB 1P · SLD / Schematic Six-phase double-delta winding connectionQ060210 · SLD / Schematic Six-phase double-zigzag winding connectionQ060213 · SLD / Schematic Six-phase polygon winding connectionQ060211 · SLD / Schematic Six-phase star winding connectionQ060212 · SLD / Schematic Six-pole asynchronous motorHMO1M11 · SLD / Schematic Solar generating stationSOLAR STN · SLD / Schematic Solenoid closing function for an open valveHSV1Y1 · Schematic Solenoid valve actuatorHSV1 · Schematic Solenoid-valve NC auxiliary contactHSV22 · Schematic Solenoid-valve NO auxiliary contactHSV21 · Schematic Solid-state relaySSR · Schematic Spark-gap protective elementSPARK GAP · SLD / Schematic Split adjustable capacitorHCA1_S00579 · Schematic Spring-return qualifierQ070107 · Schematic Standalone destination cross-referenceHA2D1_REF · Schematic Standalone source cross-referenceHA2S1_REF · Schematic Star winding connectionSTAR Y · SLD / Schematic Star winding with accessible neutralY N · SLD / Schematic Star-delta transformerTX Y-D · SLD / Schematic Star-star transformerTX Y-Y · SLD / Schematic Star-star-delta three-winding transformerTX Y-Y-D · SLD / Schematic Star-stator wound-rotor motor with rotor starterHMO1M5 · SLD / Schematic Star-zigzag transformerTX Y-Z · SLD / Schematic SubstationSUBSTATION · SLD / Schematic Surge arresterSA · SLD / Schematic Switch-disconnectorSD · SLD / Schematic Switch-disconnector function qualifierQ070104 · SLD / Schematic Switch-position function qualifierQ070106 · Schematic SynchronoscopeSYNC SCOPE · SLD / Schematic Synchronous binary counterCTR-SYNC · Schematic TachometerRPM · SLD / Schematic Tachometric dynamoHIN1B11 · Schematic Tapped-secondary current transformerCT TAP · SLD / Schematic Temperature indicatorTEMP · SLD / Schematic Temperature measuring transducerTEMP TX · SLD / Schematic Temperature switch NCTS NC · Schematic Temperature switch NOTS NO · Schematic Terminal carrying wire identificationHT0W02 · Schematic Terminal connectionTerminal · Schematic Terminal jumper bridgeTB BRIDGE · Schematic Terminal with wire-number transitionHT1002 · Schematic Thermal circuit breakerCB TH · SLD / Schematic Thermal-effect qualifierQ020801 · Schematic Thermal-magnetic circuit breakerCB TM · SLD / Schematic ThermocoupleTC · Schematic Thermocouple with terminal boardHTC1LTB · Schematic Three-phase AC motorM 3PH · SLD / Schematic Three-phase AC sourceAC 3PH · SLD / Schematic Three-phase bridge rectifierBR 3PH · Schematic Three-phase conductor group3~ · SLD / Schematic Three-phase induction motor with series excitationHMO1M3 · SLD / Schematic Three-phase motorM · SLD / Schematic Three-phase motor with fanM 3PH FAN · SLD / Schematic Three-phase motor with four connectionsHMO14 · SLD / Schematic Three-phase power-factor capacitorCAP 3PH · SLD / Schematic Three-phase sixpack power module6-PACK · Schematic Three-phase star autotransformerAT 3PH Y · SLD / Schematic Three-phase synchronous generatorG 3PH SYNC · SLD / Schematic Three-phase synchronous motorM 3PH SYNC · SLD / Schematic Three-phase T winding connectionQ060204 · SLD / Schematic Three-phase voltage-source inverter3PH-VSI · Schematic / SLD Three-point current measurement selectorHSW1S94 · Schematic Three-position centre-return selectorSEL 3 CRET · Schematic Three-position disconnectorDS 3POS · SLD / Schematic Three-position key selectorKEY SEL 3 · Schematic Three-position maintained selectorSEL 3 HOLD · Schematic Three-position selector returning from leftSEL 3 LRET · Schematic Three-position selector returning from rightSEL 3 RRET · Schematic Three-state logic buffer3STATE · Schematic Three-winding transformerTX 3W · SLD / Schematic Three-wire inductive proximity switchPROX IND 3W · Schematic Three-wire touch-sensitive switchHPX11TS3 · Schematic Three-wire ultrasonic sensorHPX11U3 · Schematic Timed-operation qualifierQ021327 · Schematic Touch-sensitive switchHPX1TS · Schematic Touch-switch NC outputHPX12TS · Schematic Touch-switch NO outputHPX11TS · Schematic Transformer-fed indicator lampLAMP TX · Schematic Transimpedance amplifierTIA · Schematic Transition indicationQ101101 · Schematic Transparent D latchD-LATCH · Schematic TRIACTRIAC · Schematic Twisted-pair indicationHT0_TW · Schematic Two-network voltage measurement selectorHSW1S93 · Schematic Two-phase winding connectionQ060201 · SLD / Schematic Two-pole power switchSW 2P · SLD / Schematic Two-way latching deviceQ1020603 · Schematic Two-way linear-motion qualifierQ020402 · Schematic Two-way rotary-motion qualifierQ020404 · Schematic Ultrasonic NC switching outputHPX12U · Schematic Ultrasonic NO switching outputHPX11U · Schematic Ultrasonic proximity switchHPX1U · Schematic Unconnected conductor crossingCROSSING · Schematic Unidirectional propagation qualifierQ020501 · Schematic Unidirectional semiconductor power switchSSW UNI · SLD / Schematic Unidirectional TVS diodeTVS · Schematic Varactor diodeVAR · Schematic Variable resistorR VAR · SLD / Schematic VaristorVDR · SLD / Schematic Voltage / frequency converterV/F · Schematic Voltage comparatorCOMP · Schematic Voltage transformerVT / PT · SLD / Schematic Voltage-controlled oscillatorVCO · Schematic VoltmeterV · SLD / Schematic Watchdog timerWDT · Schematic Wind generating stationWIND STN · SLD / Schematic Wire spliceSPLICE · Schematic Wound-rotor induction motorM WR · SLD / Schematic Yd5 transformer connection referenceYd5 · SLD / Schematic Yd11 transformer connection referenceYd11 · SLD / Schematic Yy6 transformer connection referenceYy6 · SLD / Schematic Yz5 transformer connection referenceYz5 · SLD / Schematic Yz11 transformer connection referenceYz11 · SLD / Schematic Zener diodeZD · Schematic Zeta converter topologyZETA · Schematic / SLD Zigzag winding connectionZIGZAG · SLD / Schematic

Protection functions

Understand ANSI/IEEE device-function numbers and common manufacturer suffixes for protection, switching and control. Find definitions, practical distinctions and supporting public references.

AC autoreclosing79 · SLD / Schematic AC circuit breaker52 · SLD / Schematic Accelerating or decelerating device18 · SLD / Schematic Admittance-based earth-fault protection21YN · SLD / Schematic Alarm relay74 · SLD / Schematic Annunciator relay30 · SLD / Schematic Apparatus thermal device26 · SLD / Schematic Apparent power-factor supervision55A · SLD / Schematic Atmospheric condition monitor45 · SLD / Schematic Automatic selective control or transfer relay83 · SLD / Schematic Auxiliary motor or motor-generator88 · SLD / Schematic Auxiliary-input overvoltage59A · SLD / Schematic Auxiliary-input undervoltage protection27A · SLD / Schematic Bearing protective device38 · SLD / Schematic Blocking or out-of-step supervision68 · SLD / Schematic Brush-operating or slip-ring short-circuiting device35 · SLD / Schematic Busbar differential protection87B · SLD / Schematic Calculated residual directional overcurrent67R · SLD / Schematic Calculated residual instantaneous overcurrent50R · SLD / Schematic Calculated residual time-overcurrent51R · SLD / Schematic Checking or interlocking relay3 · SLD / Schematic Circuit-breaker failure protection50BF · SLD / Schematic Control power disconnecting device8 · SLD / Schematic Current unbalance / negative sequence46 · SLD / Schematic Data communications device16 · SLD / Schematic DC circuit breaker72 · SLD / Schematic DC load-measuring reclosing relay82 · SLD / Schematic DC overcurrent relay76 · SLD / Schematic Density switch or sensor61 · SLD / Schematic Differential protection87 · SLD / Schematic Directional ground-overcurrent67G · SLD / Schematic Directional negative-sequence overcurrent67Q · SLD / Schematic Directional neutral-overcurrent67N · SLD / Schematic Directional overcurrent67 · SLD / Schematic Directional phase-overcurrent67P · SLD / Schematic Directional power32 · SLD / Schematic Directional reactive-power protection32V · SLD / Schematic Displacement power-factor supervision55D · SLD / Schematic Distance protection21 · SLD / Schematic Electrically operated valve20 · SLD / Schematic Equalizer circuit breaker22 · SLD / Schematic Exciter or DC generator relay53 · SLD / Schematic Field application relay56 · SLD / Schematic Field circuit breaker41 · SLD / Schematic Field ground-fault protection64F · SLD / Schematic Field or loss-of-excitation protection40 · SLD / Schematic Field-changing contactor93 · SLD / Schematic Flame detector28 · SLD / Schematic Flow switch or relay80 · SLD / Schematic Frequency protection81 · SLD / Schematic Generator current-unbalance protection46G · SLD / Schematic Generator differential protection87G · SLD / Schematic Governor65 · SLD / Schematic Ground detector protection64 · SLD / Schematic Ground distance protection21G · SLD / Schematic Incomplete-sequence relay48 · SLD / Schematic Instantaneous ground overcurrent50G · SLD / Schematic Instantaneous negative-sequence overcurrent50Q · SLD / Schematic Instantaneous neutral overcurrent50N · SLD / Schematic Instantaneous overcurrent50 · SLD / Schematic Instantaneous phase overcurrent50P · SLD / Schematic Isolating contactor29 · SLD / Schematic Level switch or relay71 · SLD / Schematic Line current differential protection87L · SLD / Schematic Line switch89 · SLD / Schematic Load-resistor contactor73 · SLD / Schematic Lockout86 · SLD / Schematic Low-voltage ride-through supervision27T · SLD / Schematic Main-input overvoltage59M · SLD / Schematic Main-input undervoltage protection27M · SLD / Schematic Manual transfer or selector device43 · SLD / Schematic Master contactor4 · SLD / Schematic Master element1 · SLD / Schematic Master sequence device34 · SLD / Schematic Measured ground directional overcurrent67X · SLD / Schematic Measured ground instantaneous overcurrent50X · SLD / Schematic Measured ground time-overcurrent51X · SLD / Schematic Mechanical condition monitor39 · SLD / Schematic Motor differential protection87M · SLD / Schematic Motor jam or stall protection50J · SLD / Schematic Motor thermal-model protection49M · SLD / Schematic Multifrequency admittance earth-fault protection67YN · SLD / Schematic Multifunction device11 · SLD / Schematic Negative-sequence differential protection87Q · SLD / Schematic Negative-sequence overvoltage59Q · SLD / Schematic Neutral differential protection87N · SLD / Schematic Notching or jogging device66 · SLD / Schematic Operating mechanism84 · SLD / Schematic Overexcitation protection24 · SLD / Schematic Overfrequency protection81O · SLD / Schematic Overspeed device12 · SLD / Schematic Overvoltage59 · SLD / Schematic Permissive control device69 · SLD / Schematic Phase distance protection21P · SLD / Schematic Phase-angle or out-of-step protection78 · SLD / Schematic Phase-discontinuity protection46PD · SLD / Schematic Phase-sequence or voltage-balance protection47 · SLD / Schematic Pilot or carrier receiver relay85 · SLD / Schematic Polarity device36 · SLD / Schematic Position switch33 · SLD / Schematic Position-changing mechanism75 · SLD / Schematic Power factor protection55 · SLD / Schematic Pressure switch or relay63 · SLD / Schematic Rate-of-change relay7 · SLD / Schematic Rate-of-change-of-frequency protection81R · SLD / Schematic Reactive-power undervoltage protection27Q · SLD / Schematic Rectification failure relay58 · SLD / Schematic Regulating device90 · SLD / Schematic Residual or neutral overvoltage59N · SLD / Schematic Restrained current differential protection87R · SLD / Schematic Restricted ground differential protection87GD · SLD / Schematic Reverse-power protection32R · SLD / Schematic Reversing device9 · SLD / Schematic Rheostat70 · SLD / Schematic RTD-based thermal protection49R · SLD / Schematic Running circuit breaker42 · SLD / Schematic Separate excitation device31 · SLD / Schematic Short-circuiting or grounding device57 · SLD / Schematic Shunting or discharge switch17 · SLD / Schematic Speed or frequency matching device15 · SLD / Schematic Starting circuit breaker6 · SLD / Schematic Starting-to-running transition contactor19 · SLD / Schematic Stator ground-fault protection64G · SLD / Schematic Stopping device5 · SLD / Schematic Synchronism check25 · SLD / Schematic Synchronous-speed device13 · SLD / Schematic Telemetering device77 · SLD / Schematic Temperature control device23 · SLD / Schematic Thermal protection49 · SLD / Schematic Time ground-overcurrent protection51G · SLD / Schematic Time negative-sequence overcurrent51Q · SLD / Schematic Time neutral-overcurrent protection51N · SLD / Schematic Time overcurrent51 · SLD / Schematic Time phase-overcurrent protection51P · SLD / Schematic Time-delay starting or closing relay2 · SLD / Schematic Time-delay stopping or opening relay62 · SLD / Schematic Transformer differential protection87T · SLD / Schematic Transient or intermittent earth-fault protection67NIEF · SLD / Schematic Trip-coil monitoring74TCM · SLD / Schematic Tripping or trip-free relay94 · SLD / Schematic Turning-gear engaging device54 · SLD / Schematic Undercurrent or underpower protection37 · SLD / Schematic Underfrequency protection81U · SLD / Schematic Underpower protection32U · SLD / Schematic Underspeed device14 · SLD / Schematic Undervoltage27 · SLD / Schematic Unit sequence starting relay44 · SLD / Schematic Unit sequence switch10 · SLD / Schematic Unrestrained high-set differential protection87H · SLD / Schematic Voltage and power directional relay92 · SLD / Schematic Voltage directional relay91 · SLD / Schematic Voltage or current balance relay60 · SLD / Schematic Voltage vector-shift protection78VS · SLD / Schematic Voltage-dependent overcurrent51V · SLD / Schematic Wattmetric earth-fault protection32N · SLD / Schematic

GA objects

Explore equipment types, layout components and manufacturer families for switchboards, switchrooms and microgrids. Follow official resources for exact product CAD and dimensional information.

ABB MNS switchgearMNS switchgear · GA / SLD ABB ReliaGear SG switchgearReliaGear SG switchgear · GA / SLD ABB UniGear switchgearUniGear switchgear · GA / SLD AC line reactorGA · GA / SLD AC UPS cabinetGA · GA / SLD Active harmonic filter cabinetGA · GA / SLD Air circuit breakerACB · GA / SLD Analogue input moduleGA · GA / Schematic Analogue output moduleGA · GA / Schematic AutomationDirect AcuAmpAcuAmp · GA / Schematic AutomationDirect Bimed cable glandsBimed cable glands · GA / Schematic AutomationDirect BRX Series PLCBRX Series PLC · GA / Schematic AutomationDirect C-more Micro Graphic PanelsC-more Micro Graphic Panels · GA / Schematic AutomationDirect C-more PanelsC-more Panels · GA / Schematic AutomationDirect CLICK PLCsCLICK PLCs · GA / Schematic AutomationDirect DINnectorsDINnectors · GA / Schematic AutomationDirect Edison Class T fusesEdison Class T fuses · GA / SLD AutomationDirect Edison Power Distribution BlocksEdison Power Distribution Blocks · GA / Schematic AutomationDirect Gladiator CFS disconnectsGladiator CFS disconnects · GA / SLD AutomationDirect GS and DURApulse AC drivesGS and DURApulse AC drives · GA / Schematic AutomationDirect Konnect-It DIN-rail terminalsKonnect-It DIN-rail terminals · GA / Schematic AutomationDirect LR Series line reactorsLR Series line reactors · GA / SLD AutomationDirect Productivity1000 PACProductivity1000 PAC · GA / Schematic AutomationDirect Productivity2000 PACProductivity2000 PAC · GA / Schematic AutomationDirect Productivity3000 PACProductivity3000 PAC · GA / Schematic AutomationDirect Protos X Field I/OProtos X Field I/O · GA / Schematic AutomationDirect Stride VPNStride VPN · GA / Schematic AutomationDirect Terminator Field I/OTerminator Field I/O · GA / Schematic AutomationDirect WMZT miniature circuit breakersWMZT miniature circuit breakers · GA / SLD AutomationDirect ZIPLinksZIPLinks · GA / Schematic AutomationDirect ZIPport Multi-Wire ConnectorsZIPport Multi-Wire Connectors · GA / Schematic AutomationDirect ZIPport Panel Interface ConnectorsZIPport Panel Interface Connectors · GA / Schematic Backdraft damperGA · GA / SLD Battery chargerDC · GA / Schematic Battery cooling unitGA · GA / SLD Battery current shuntDC · GA / Schematic Battery DC bus distribution moduleDC · GA / SLD Battery DC disconnect assemblyGA · GA / SLD Battery fire-system interface panelGA · GA / SLD Battery inverter-chargerGA · GA / SLD Battery management system moduleBMS · GA / SLD Battery precharge assemblyDC · GA / SLD Battery storage cabinetBESS cabinet · GA Bulkhead connectorGA · GA / Schematic Bus-coupler compartmentGA · GA / SLD Busbar compartmentGA · GA / SLD Busbar support insulatorGA · GA / SLD Busbar trunkingBusway · GA Busway tap-off unitGA · GA / SLD Cable cleatGA · GA / SLD Cable duct bankGA · GA / SLD Cable glandGA · GA / Schematic Cable ladder / trayCable support · GA Cable pitGA · GA / SLD Cable support bracketGA · GA / SLD Cable termination compartmentGA · GA / SLD Cable trenchGA · GA / SLD Cable-entry frameGA · GA / Schematic Cable-tray horizontal bendGA · GA / SLD Cable-tray vertical riserGA · GA / SLD Combined fire-smoke damperGA · GA / SLD Communication gatewayGA · GA / Schematic Control / marshalling cabinetControl GA · GA Control transformerGA · GA / SLD CT shorting test terminalGA · GA / Schematic Dagartech BGPSW 15 STBGPSW 15 ST · GA / SLD Dagartech DGB 415 STDGB 415 ST · GA / SLD DC buffer moduleGA · GA / Schematic DC circuit breakerGA · GA / SLD DC redundancy moduleGA · GA / Schematic DC UPS moduleGA · GA / Schematic DEIF iE 250 controllersiE 250 controllers · GA / SLD Digital input moduleGA · GA / Schematic Digital output moduleGA · GA / Schematic DIN mounting railGA · GA / SLD DIN-rail AC/DC power supplyGA · GA / Schematic DIN-rail adapter accessoryGA · GA / SLD DIN-rail DC/DC converterDC · GA / Schematic Disconnect terminal blockGA · GA / Schematic Distribution terminal blockGA · GA / Schematic Door-mounted pushbutton enclosureGA · GA / Schematic Drive braking resistorGA · GA / Schematic Dry-type transformer enclosureGA · GA / SLD Earth barGA · GA / Schematic Electronic motor overload relayGA · GA / Schematic Emergency stop stationGA · GA / Schematic Enclosure air conditionerGA · GA / SLD Enclosure air-to-air heat exchangerGA · GA / SLD Enclosure anti-condensation heaterGA · GA / SLD Enclosure door swing envelopeGA · GA / SLD Enclosure filter fanGA · GA / SLD Enclosure gland plateGA · GA / SLD Enclosure hygrostatGA · GA / SLD Enclosure plinthGA · GA / SLD Enclosure thermostatGA · GA / SLD Energy submeterGA · GA / Schematic Energy-management controllerEMS · GA / SLD Equipment maintenance envelopeGA · GA / SLD Equipment removal routeGA · GA / SLD Feed-through terminal blockGA · GA / Schematic Fibre-optic patch panelGA · GA / SLD Fire alarm control panel locationGA · GA / SLD Fire damperGA · GA / SLD Flexible busbar connectionGA · GA / SLD Floor-standing enclosureGA · GA / SLD Fuji Electric BM3 manual motor startersBM3 manual motor starters · GA / SLD Fuji Electric Combination startersCombination starters · GA / Schematic Fuji Electric EA-UL / SA-UL circuit breakersEA-UL / SA-UL circuit breakers · GA / SLD Fuji Electric EG-UL / SG-UL circuit breakersEG-UL / SG-UL circuit breakers · GA / SLD Fuji Electric G-Twin circuit breakersG-Twin circuit breakers · GA / SLD Fuji Electric G-Twin Lambda circuit breakersG-Twin Lambda circuit breakers · GA / SLD Fuji Electric Orange Line / Odyssey contactorsOrange Line / Odyssey contactors · GA / Schematic Fuji Electric SC contactors and thermal overload relaysGA · GA / Schematic Fuji Electric SC-NEXT contactorsSC-NEXT contactors · GA / Schematic Fuji Electric SK contactors and relaysSK contactors and relays · GA / Schematic Fuse holderGA · GA / SLD Fuse terminal blockGA · GA / Schematic Fuse-switch disconnectorGA · GA / SLD Generator acoustic canopyGA · GA / SLD Generator bulk fuel tankGA · GA / SLD Generator coolant heaterGA · GA / SLD Generator day tankGA · GA / SLD Generator exhaust flexible connectionGA · GA / SLD Generator exhaust silencerGA · GA / SLD Generator exhaust stackGA · GA / SLD Generator fuel bundGA · GA / SLD Generator fuel transfer pumpGA · GA / SLD Generator packageGenset GA · GA Generator paralleling controllerGA · GA / SLD Generator radiator discharge ductGA · GA / SLD Generator remote radiatorGA · GA / SLD Generator starting batteryGA · GA / SLD Generator vibration isolatorGA · GA / SLD Greenheck AFL-501 louverAFL-501 louver · GA / SLD Greenheck APH plenum fanAPH plenum fan · GA / SLD Greenheck ESD-435 louverESD-435 louver · GA / SLD Greenheck ESD-635 louverESD-635 louver · GA / SLD Greenheck FD-150 damperFD-150 damper · GA / SLD Greenheck FSD-211 damperFSD-211 damper · GA / SLD Greenheck FSD-311 damperFSD-311 damper · GA / SLD Greenheck QEI inline fanQEI inline fan · GA / SLD Greenheck QEID inline fanQEID inline fan · GA / SLD Greenheck SBE wall fanSBE wall fan · GA / SLD Greenheck SBS wall fanSBS wall fan · GA / SLD Greenheck SE wall fanSE wall fan · GA / SLD Greenheck TBI-FS inline fanTBI-FS inline fan · GA / SLD Greenheck USF fanUSF fan · GA / SLD Greenheck VAB fanVAB fan · GA / SLD Greenheck VAD fanVAD fan · GA / SLD HMI touchscreenGA · GA / Schematic Industrial Ethernet switchGA · GA / Schematic Industrial panel PCGA · GA / Schematic Industrial ventilation fanGA · GA / SLD Industrial VPN routerGA · GA / Schematic Interface relay moduleGA · GA / Schematic Invertek Drives Optidrive EcoOptidrive Eco · GA / Schematic Lithium battery moduleGA · GA / SLD Low-voltage switchgear lineupGA · GA / SLD LV feeder compartmentGA · GA / SLD LV incomer compartmentGA · GA / SLD Medium-voltage switchgear lineupGA · GA / SLD Metering compartmentGA · GA / SLD Miniature circuit breakerMCB · GA / SLD Motor control centre lineupGA · GA / SLD Motor-protection circuit breakerMPCB · GA / SLD Motorised ventilation damperGA · GA / SLD Moulded-case circuit breakerMCCB · GA / SLD Mounting platePlate · GA MPPT solar charge controllerGA · GA / SLD Multi-level terminal blockGA · GA / Schematic MV vacuum circuit-breaker truckGA · GA / SLD Neutral barGA · GA / Schematic Neutral earthing resistor cabinetNER · GA / SLD Oil-filled transformer installationGA · GA / SLD Outdoor energy-storage containerGA · GA / SLD Panel inspection lightingGA · GA / SLD Panel power meterGA · GA / Schematic Panel service outletGA · GA / SLD Perforated cable trayGA · GA / SLD Pilot-light stationGA · GA / Schematic PLC CPU moduleGA · GA / Schematic PLC power moduleGA · GA / Schematic Pluggable terminal connectorGA · GA / Schematic Power cable jointCABLE JOINT · GA / SLD Power contactorGA · GA / Schematic Power conversion cabinetPCS cabinet · GA Power quality meterPQM · GA / SLD / Schematic Power-factor-correction capacitor bankGA · GA / SLD Protection relay IEDGA · GA / Schematic Protection relay panelGA · GA / Schematic Protective-earth terminal blockGA · GA / Schematic PULS QS20.241QS20.241 · GA / Schematic PV DC isolator enclosureGA · GA / SLD PV inverter cabinetGA · GA / SLD PV string combiner boxGA · GA / SLD Relay socketGA · GA / Schematic Remote I/O stationGA · GA / Schematic Residual-current breaker with overcurrent protectionRCBO · GA / SLD Residual-current circuit breakerRCCB · GA / SLD Reversing contactor assemblyGA · GA / Schematic Rigid busbar assemblyGA · GA / SLD Ring main unitRMU · GA Safety relay moduleGA · GA / Schematic Schneider Electric Acti9 iC60Acti9 iC60 · GA / SLD Schneider Electric Acti9 iC60 RCBOActi9 iC60 RCBO · GA / SLD Schneider Electric ComPacT for DC networks, new generationComPacT for DC networks, new generation · GA / SLD Schneider Electric Compact INS/INVCompact INS/INV · GA / SLD Schneider Electric ComPacT NSX, new generationComPacT NSX, new generation · GA / SLD Schneider Electric ComPacT NSXm, new generationComPacT NSXm, new generation · GA / SLD Schneider Electric MasterPact MTZMasterPact MTZ · GA / SLD Schneider Electric MasterPacT MTZ ActiveMasterPacT MTZ Active · GA / SLD Schneider Electric MiCOM protection relaysMiCOM protection relays · GA / Schematic Schneider Electric PowerLogic P5 protection relaysPowerLogic P5 protection relays · GA / Schematic Schneider Electric PowerLogic PFC Capacitor BanksPowerLogic PFC Capacitor Banks · GA / SLD Schneider Electric PowerLogic PM5000PowerLogic PM5000 · GA / Schematic Schneider Electric PowerLogic PM8000PowerLogic PM8000 · GA / Schematic Schneider Electric PowerLogic T500 Substation ControllerPowerLogic T500 Substation Controller · GA / SLD Schneider Electric PrismaSeT 6300PrismaSeT 6300 · GA / SLD Schneider Electric PrismaSeT GPrismaSeT G · GA / SLD Schneider Electric TeSys Deca overload relaysTeSys Deca overload relays · GA / Schematic Schneider Electric TeSys Giga contactorsTeSys Giga contactors · GA / Schematic Schneider Electric TeSys GV2, LCTeSys GV2, LC · GA / SLD Schneider Electric TeSys K contactorsTeSys K contactors · GA / Schematic Schneider Electric TransferPacTTransferPacT · GA / SLD Selector-switch stationGA · GA / Schematic Signal conditionerGA · GA / Schematic Slotted wiring ductGA · GA / SLD Smoke detector installation pointGA · GA / SLD Smoke-control damperGA · GA / SLD Soft starterGA · GA / Schematic Source-transfer switch assemblyGA · GA / SLD Split-core current transformerGA · GA / Schematic Star-delta starter assemblyGA · GA / Schematic Station DC battery rackGA · GA / SLD Substation RTUGA · GA / Schematic Surge protective device assemblySPD · GA / SLD Switch disconnectorGA · GA / SLD SwitchboardBoard · GA Switchgear arc exhaust plenumGA · GA / SLD Switchgear panelPanel · GA Switchroom egress pathGA · GA / SLD Switchroom exhaust fanGA · GA / SLD Switchroom supply fanGA · GA / SLD TDK-Lambda D1SE120-xx-A3D1SE120-xx-A3 · GA / Schematic TDK-Lambda D1SE240-xx-A3D1SE240-xx-A3 · GA / Schematic TDK-Lambda D1SE480-xx-A3D1SE480-xx-A3 · GA / Schematic TDK-Lambda DBM20DBM20 · GA / Schematic TDK-Lambda DRB15DRB15 · GA / Schematic TDK-Lambda DRB30DRB30 · GA / Schematic TDK-Lambda DRB480DRB480 · GA / Schematic TDK-Lambda DRF960DRF960 · GA / Schematic TDK-Lambda DRM40DRM40 · GA / Schematic TDK-Lambda DUSH960-1248-1MDUSH960-1248-1M · GA / Schematic Terasaki / NHP TemBreak 1 legacy MCCBsTemBreak 1 legacy MCCBs · GA / SLD Terasaki TemPower AT air circuit breakersTemPower AT air circuit breakers · GA / SLD Terminal end stopGA · GA / Schematic Terminal marker stripGA · GA / Schematic Terminal marshalling interfaceGA · GA / Schematic Terminal strip assemblyTerminal strip · GA Thermal overload relayGA · GA / Schematic Timer relayGA · GA / Schematic Transfer-switch assemblyATS · GA Transformer envelopeTransformer GA · GA Trapped-key interlock assemblyGA · GA / Schematic UPS maintenance bypass panelGA · GA / SLD Variable-frequency driveVFD · GA / Schematic Ventilation intake louverGA · GA / SLD Victron Energy Cerbo GXCerbo GX · GA / SLD Victron Energy DIN35 adapterDIN35 adapter · GA / SLD Victron Energy Lithium NG BatteriesLithium NG Batteries · GA / SLD Victron Energy Lynx DistributorLynx Distributor · GA / SLD Victron Energy Lynx Smart BMS NGLynx Smart BMS NG · GA / SLD Victron Energy Multi RS SolarMulti RS Solar · GA / SLD Victron Energy MultiPlus-IIMultiPlus-II · GA / SLD Victron Energy MultiPlus-II 2x 120VMultiPlus-II 2x 120V · GA / SLD Victron Energy QuattroQuattro · GA / SLD Victron Energy Skylla-IP65Skylla-IP65 · GA / Schematic Victron Energy SmartShuntSmartShunt · GA / Schematic Victron Energy SmartSolar MPPT RSSmartSolar MPPT RS · GA / SLD Voltage transformer assemblyVT · GA / Schematic Wall-mounted junction enclosureGA · GA / SLD Westermo Lynx 5612-E-F4G-T8G-LVLynx 5612-E-F4G-T8G-LV · GA / Schematic Westermo PS2-60PS2-60 · GA / Schematic Window current transformerGA · GA / Schematic Wire-mesh cable basketGA · GA / SLD Withdrawable motor feeder unitGA · GA / SLD