Electrical reference directory

Page 30 of 32 · 3155 references, with definitions, drawing context and available downloads and previews.

Search the electrical library

Test record event-marker inputTREI · Schematic Test-link normal-position supervisionTNS · Schematic Test-mode output blockingTOB · Schematic Test-output blocking confirmationTBC · Schematic Thermal circuit breakerCB TH · SLD / Schematic Thermal overload relayGA · GA / Schematic Thermal protection49 · SLD / Schematic Thermal-effect qualifierQ020801 · Schematic Thermal-magnetic circuit breakerCB TM · SLD / Schematic Thermistor motor protection relayPTC · Schematic ThermocoupleTC · Schematic Thermocouple with terminal boardHTC1LTB · Schematic Three-breaker two-source transfer interfaceTTTI · Schematic Three-phase AC motorM 3PH · SLD / Schematic Three-phase AC sourceAC 3PH · SLD / Schematic Three-phase bridge rectifierBR 3PH · Schematic Three-phase circuit with neutral and PE marking3/N/PE · SLD Three-phase conductor group3~ · SLD / Schematic Three-phase induction generatorG 3~ ASG · 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 socket outletSO3 · GA 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-pole gang-operated breaker referenceTGBR · Schematic Three-pole trip conversion blockTTCB · 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 Thyristor phase-controlled rectifierSCR REC · SLD / Schematic Thyristor-controlled reactorTCR · SLD / Schematic Thyristor-switched capacitorTSC · SLD / Schematic Tie-breaker maintenance isolation interfaceTMII · 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 switch plan markTSW · GA Time-alignment validation boundaryTVB · Schematic Time-client quality rejection interfaceTQRI · Schematic Time-delay push switch plan markST · GA Time-delay starting or closing relay2 · SLD / Schematic Time-delay stopping or opening relay62 · SLD / Schematic Time-distribution redundant-path interfaceTRI · Schematic Timed-operation qualifierQ021327 · Schematic Timer relayGA · GA / Schematic Touch-sensitive switchHPX1TS · Schematic Touch-switch NC outputHPX12TS · Schematic Touch-switch NO outputHPX11TS · Schematic Transfer-switch assemblyATS · GA Transformer bushing-monitor alarm interfaceTBAI · Schematic Transformer circulating-reactive-current restraintTCR · Schematic Transformer cooler common-failure alarmTCCA · Schematic Transformer cooler duty-standby rotationTCDR · Schematic Transformer cooler supply-loss inputTCSI · Schematic Transformer cooling stage-one requestTCSR · Schematic Transformer cooling stage-two requestTCSR · Schematic Transformer differential protection87T · SLD / Schematic Transformer differential restraint interfaceTDRI · Schematic Transformer envelopeTransformer GA · GA Transformer fan run-proof supervisionTFRS · Schematic Transformer gas-accumulation alarm inputTGAI · Schematic Transformer high-voltage bushing referenceTHBR · Schematic Transformer inrush-restraint interfaceTII · Schematic Transformer main-tank oil-level alarmTMOA · Schematic Transformer moisture-monitor interfaceTMI · Schematic Transformer neutral-current measurement interfaceTNMI · Schematic Transformer neutral-earthing conductor referenceTNCR · Schematic Transformer oil-pump flow-proof supervisionTOFS · Schematic Transformer oil-surge trip interfaceTOTI · Schematic Transformer online gas-monitor interfaceTOGI · Schematic Transformer overexcitation measurement interfaceTOMI · Schematic Transformer pressure-relief operated indicationTPOI · Schematic Transformer protection lockout distributionTPLD · Schematic Transformer restricted-earth-fault zone interfaceTRZI · Schematic Transformer sudden-pressure trip interfaceTSTI · Schematic Transformer tank earthing interfaceTTEI · Schematic Transformer tap-changer oil-level alarmTTOA · Schematic Transformer tertiary bay arrangementTTBA · Schematic Transformer through-fault accumulation monitorTTAM · Schematic Transformer top-oil temperature alarm interfaceTTTAI · Schematic Transformer winding thermal trip interfaceTWTTI · Schematic Transformer-fed indicator lampLAMP TX · Schematic