Electrical reference directory

Page 29 of 32 · 3155 references, with definitions, drawing context and available downloads and previews.

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Switchroom condensation-risk indicationSCI · Schematic Switchroom cooling-available indicationSCI · Schematic Switchroom cooling-failure escalation interfaceSCEI · Schematic Switchroom DC alarm collection panelSDACP · Schematic Switchroom DC feeder-loss inputSDFI · Schematic Switchroom egress pathGA · GA / SLD Switchroom emergency door-release interfaceSEDI · Schematic Switchroom emergency-light test-result inputSETI · Schematic Switchroom emergency-lighting supply interfaceSESI · Schematic Switchroom emergency-stop distribution interfaceSEDI · Schematic Switchroom enclosure heater-failure alarmSEHA · Schematic Switchroom environmental alarm delay blockSEADB · Schematic Switchroom environmental sensor-fault alarmSESA · Schematic Switchroom environmental trend-record interfaceSETI · Schematic Switchroom essential AC busSEAB · Schematic Switchroom exhaust fanGA · GA / SLD Switchroom external lighting command interfaceSELCI · Schematic Switchroom fan local-auto interfaceSFLI · Schematic Switchroom fan run-proof interfaceSFRI · Schematic Switchroom filter-maintenance indicationSFI · Schematic Switchroom fire-door status interfaceSFSI · Schematic Switchroom fire-panel common-alarm inputSFCI · Schematic Switchroom fire-panel common-fault inputSFCI · Schematic Switchroom fire-system isolated-state inputSFII · Schematic Switchroom heater auxiliary feederSHAF · Schematic Switchroom high-temperature ventilation demandSHVD · Schematic Switchroom humidity high alarmSHHA · Schematic Switchroom HVAC auxiliary feederSHAF · Schematic Switchroom HVAC common-fault interfaceSHCI · Schematic Switchroom lighting distribution alarmSLDA · Schematic Switchroom lighting-contact relay interfaceSLRI · Schematic Switchroom low-temperature ventilation restraintSLVR · Schematic Switchroom maintained-lighting control interfaceSMCI · Schematic Switchroom negative-DC earth alarm inputSNEAI · Schematic Switchroom nonessential AC busSNAB · Schematic Switchroom normal-lighting control branchSNCB · Schematic Switchroom occupancy lighting inputSOLI · Schematic Switchroom positive-DC earth alarm inputSPEAI · Schematic Switchroom roof-leak detection interfaceSRDI · Schematic Switchroom service-socket residual-current interfaceSSRI · Schematic Switchroom station-DC incoming interfaceSSII · Schematic Switchroom supply fanGA · GA / SLD Switchroom temperature high-high alarmSTHA · Schematic Switchroom water-ingress detection interfaceSWDI · Schematic Switchyard earth-grid main connectionSEMC · Schematic Symmetric gas discharge tubeF · Schematic Synchronising lampsSL · Schematic Synchronism check25 · SLD / Schematic SynchronoscopeSYNC SCOPE · SLD / Schematic Synchronous binary counterCTR-SYNC · Schematic Synchronous condenserSC · SLD Synchronous generator with brushless exciterG 3~ BX · SLD / Schematic Synchronous-speed device13 · SLD / Schematic T-connection without junction dot- · Schematic / SLD TachometerRPM · SLD / Schematic Tachometric dynamoHIN1B11 · Schematic Tap-change incomplete-operation alarmTIA · Schematic Tap-changer lower-command interfaceTLI · Schematic Tap-changer lower-limit inhibitTLI · Schematic Tap-changer motor-protection interfaceTMI · Schematic Tap-changer movement-in-progress inputTMI · Schematic Tap-changer operation-complete feedbackTOF · Schematic Tap-changer raise-command interfaceTRI · Schematic Tap-changer upper-limit inhibitTUI · Schematic Tap-position analogue-input interfaceTAI · Schematic Tap-position coded-input decoderTCD · Schematic Tapped-secondary current transformerCT TAP · SLD / Schematic 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 Telemetering device77 · SLD / Schematic Telephone outlet plan symbolTO · GA Telephone set symbolTEL · GA / Schematic Teleprotection command decode interfaceTCDI · Schematic Teleprotection command encode interfaceTCEI · Schematic Television outlet plan symbolTV · GA Temperature control device23 · SLD / Schematic Temperature indicatorTEMP · SLD / Schematic Temperature measuring transducerTEMP TX · SLD / Schematic Temperature switch NCTS NC · Schematic Temperature switch NOTS NO · Schematic Temporary earthing connection-point referenceTECR · 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 carrying wire identificationHT0W02 · Schematic Terminal connectionTerminal · Schematic Terminal end stopGA · GA / Schematic Terminal jumper bridgeTB BRIDGE · Schematic Terminal marker stripGA · GA / Schematic Terminal marshalling interfaceGA · GA / Schematic Terminal strip assemblyTerminal strip · GA Terminal with wire-number transitionHT1002 · Schematic Test plugTP · Schematic