Electrical reference directory

Page 31 of 32 · 3155 references, with definitions, drawing context and available downloads and previews.

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Transient or intermittent earth-fault protection67NIEF · SLD / Schematic Transimpedance amplifierTIA · Schematic Transition indicationQ101101 · Schematic Transparent D latchD-LATCH · Schematic Trapped-key interlock assemblyGA · GA / Schematic Trapped-key transfer permissiveTTP · Schematic TRIACTRIAC · Schematic Trip positive-conductor supervisionTPS · Schematic Trip return-conductor supervisionTRS · Schematic Trip-circuit supervision relayTCS · Schematic Trip-coil isolation test linkTITL · Schematic Trip-coil monitoring74TCM · SLD / Schematic Trip-coil pulse extensionTPE · Schematic Trip-isolated relay test configurationTRTC · Schematic Trip-output interposing relayTIR · Schematic Trip-supply DC distribution branchTDDB · Schematic Tripping or trip-free relay94 · SLD / Schematic Truck-position racking interlockTRI · Schematic Turning-gear engaging device54 · SLD / Schematic Twelve-pulse rectifier12P · SLD Twisted-pair indicationHT0_TW · Schematic Two-bus section-coupler arrangementTSA · SLD / Schematic Two-network voltage measurement selectorHSW1S93 · Schematic Two-phase winding connectionQ060201 · SLD / Schematic Two-pole one-way switch plan markS2P · GA Two-pole power switchSW 2P · SLD / Schematic Two-way latching deviceQ1020603 · Schematic Two-way light switch plan markS2W · GA Two-way linear-motion qualifierQ020402 · Schematic Two-way rotary-motion qualifierQ020404 · Schematic Ultrasonic distance sensorUS DIST · Schematic Ultrasonic NC switching outputHPX12U · Schematic Ultrasonic NO switching outputHPX11U · Schematic Ultrasonic proximity switchHPX1U · Schematic Unconnected conductor crossingCROSSING · Schematic Undercurrent or underpower protection37 · SLD / Schematic Underfrequency protection81U · SLD / Schematic Underground cableUGC · SLD / GA Underground-cable outgoing bay arrangementUOBA · Schematic Underpower protection32U · SLD / Schematic Underspeed device14 · SLD / Schematic Undervoltage27 · SLD / Schematic Undervoltage-release holding interfaceUHI · Schematic Underwater cableSC · SLD / GA Unidirectional propagation qualifierQ020501 · Schematic Unidirectional semiconductor power switchSSW UNI · SLD / Schematic Unidirectional TVS diodeTVS · Schematic Unit sequence starting relay44 · SLD / Schematic Unit sequence switch10 · SLD / Schematic Unrestrained high-set differential protection87H · SLD / Schematic UPS maintenance bypassMBP · SLD UPS maintenance bypass panelGA · GA / SLD UPS-backed control AC busUCAB · Schematic Utility grid connectionGRID · SLD Utility incomer connection interfaceUICI · Schematic V-type centre-break disconnector referenceVCDR · Schematic Vacuum-interrupter breaker referenceVBR · Schematic Varactor diodeVAR · Schematic Variable resistorR VAR · SLD / Schematic Variable-frequency driveVFD · GA / Schematic Variable-slip wind turbine generator (Type 2)WTG T2 · SLD / Schematic Variable-speed drive run-enable interfaceVDRI · Schematic VaristorVDR · SLD / Schematic Ventilation fan automatic changeoverVFAC · Schematic Ventilation intake louverGA · GA / SLD Ventilation outlet-damper supervisionVOS · Schematic Ventilation shutdown cause indicationVSCI · Schematic Ventilation-filter differential-pressure alarmVDA · Schematic Vertical-break disconnector application referenceVDAR · Schematic Vibration sensorVS · Schematic 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 Orion XS 12/12-50A DC-DC chargerOrion XS 12/12-50A · GA Victron Energy Orion XS 12/12-70A DC-DC chargerOrion XS 12/12-70A · GA Victron Energy Orion XS 1400 DC-DC chargerOrion XS 1400 · GA 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 Volt-squared-hour meterV²h · Schematic Voltage / frequency converterV/F · Schematic Voltage and power directional relay92 · SLD / Schematic Voltage comparatorCOMP · Schematic Voltage directional relay91 · SLD / Schematic Voltage measuring transducerU/I · Schematic Voltage or current balance relay60 · SLD / Schematic Voltage presence indicating systemVPIS · SLD / Schematic Voltage sensor low-energy input interfaceVSLII · Schematic Voltage transformerVT / PT · SLD / Schematic Voltage transformer assemblyVT · GA / Schematic Voltage transformer set with broken-delta residual windingVT · SLD / Schematic Voltage transformer with two secondary windingsVT · SLD / Schematic Voltage vector-shift protection78VS · SLD / Schematic Voltage-controlled oscillatorVCO · Schematic