Electrical reference directory

Page 12 of 32 · 3155 references, with definitions, drawing context and available downloads and previews.

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DC UPS moduleGA · GA / Schematic DC-to-AC inverterINV DC-AC · SLD / Schematic DC-to-DC converterDC-DC · SLD / Schematic Dd6 transformer connection referenceDd6 · SLD / Schematic Dead-bus close permissionDCP · Schematic Dead-tank circuit-breaker application referenceDCAR · Schematic Decoded decade counterDECADE · Schematic Dedicated bus-protection CT core interfaceDBCCI · Schematic Dedicated line-protection CT core interfaceDLCCI · Schematic Dedicated transformer-protection CT core interfaceDTCCI · Schematic Definite-time delay qualifier for measuring relayst · Schematic / SLD DEIF iE 250 controllersiE 250 controllers · GA / SLD Delta winding connectionDELTA · SLD / Schematic Delta-delta transformerTX D-D · SLD / Schematic Delta-star transformerTX D-Y · SLD / Schematic Density switch or sensor61 · SLD / Schematic Detuned capacitor bankDCB · SLD DIACDIAC · Schematic Diesel generator setDG · SLD Difference amplifierDIFF-AMP · Schematic Differential capacitorHCA1_S00573 · Schematic Differential protection87 · SLD / Schematic Differential voltmeterDELTA V · SLD / Schematic Differential-current measuring relayI DIFF · SLD / Schematic Digital breaker-command output boundaryDBOB · Schematic Digital input moduleGA · GA / Schematic Digital magnitude comparatorMAG-COMP · Schematic Digital multiplexerMUX · Schematic Digital output moduleGA · GA / Schematic Digital secondary test-mode indicationDSTI · Schematic Digital-secondary channel identity cross-referenceDCIC · Schematic Digital-to-analogue converterDAC · Schematic Dimmer switch plan markSD · GA 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 DiodeD · Schematic Diode terminal blockTB DIODE · Schematic Direct neutral earthing connection- · SLD Direct protection-to-coil tripDPT · Schematic Direct transfer-trip receive interfaceDTRI · Schematic Direct transfer-trip send interfaceDTSI · Schematic Direct-current supply qualifierQ020201 · SLD / Schematic Direct-on-line starter command blockDSCB · Schematic Direct-operate command interfaceDCI · Schematic Directional ground-overcurrent67G · SLD / Schematic Directional measuring element qualifier→ · Schematic / SLD 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 Directional-comparison blocking interfaceDBI · Schematic Discharge-coil capacitor-bank interfaceDCI · Schematic Disconnect terminal blockTB DISC · Schematic Disconnect terminal blockGA · GA / Schematic Disconnected mechanical couplingQ021217 · Schematic DisconnectorIsolator · SLD / Schematic Disconnector auxiliary NC contactDS AUX NC · SLD / Schematic Disconnector auxiliary NO contactDS AUX NO · SLD / Schematic Disconnector grouped-pole operating referenceDGOR · Schematic Disconnector incomplete-travel supervisionDIS · Schematic Disconnector manual-drive engaged indicationDMEI · Schematic Disconnector motor operator interfaceDMOI · Schematic Disconnector motor-control isolation interfaceDMII · Schematic Disconnector operating-torque alarm interfaceDOAI · Schematic Disconnector-closed breaker interlockDBI · Schematic Dish antenna symbolSAT · GA / Schematic Displacement power-factor supervision55D · SLD / Schematic Distance protection21 · SLD / Schematic Distribution board plan markDB · GA Distribution terminal blockGA · GA / Schematic Disturbance recorderDFR · SLD / Schematic Door contact plan symbolDC · GA Door intercom station symbolIC · GA Door-mounted pushbutton enclosureGA · GA / Schematic Double frequency meterHz Hz · SLD / Schematic Double junction of conductors- · Schematic / SLD Double spark gapF · Schematic Double voltmeterV V · SLD / Schematic Double-bus double-breaker bay arrangementDDBA · SLD / Schematic Double-bus single-breaker bay arrangementDSBA · SLD / Schematic Double-side-break disconnector application referenceDDAR · Schematic Doubly-fed induction generatorDFIG · SLD / Schematic Drive braking resistorGA · GA / Schematic Dry-type transformer enclosureGA · GA / SLD DSE890 MKII communications gatewayDSE890 MKII · GA DSE2131 ratiometric input expansion moduleDSE2131 · GA DSE2548 LED annunciator moduleDSE2548 · GA DSE4520 MKII generator controllerDSE4520 MKII · GA DSE7320 MKII generator controllerDSE7320 MKII · GA DSE8610 MKII synchronising controllerDSE8610 MKII · GA DSE8660 MKII mains and transfer controllerDSE8660 MKII · GA DSE8680 generator bus-tie controllerDSE8680 · GA DSEP100 mains decoupling relayDSEP100 · GA Dual DC-feed isolation interfaceDDII · Schematic Dual-active-bridge topologyDAB · Schematic / SLD Dual-channel trip segregationDTS · Schematic