Electrical reference directory
Page 3 of 32 · 3155 references, with definitions, drawing context and available downloads and previews.
ANSI/IEEE earth connection symbol- · SLD / SchematicANSI/IEEE Earth-fault current relay formK · Schematic / SLDANSI/IEEE Earth-fault voltage relay formK · Schematic / SLDANSI/IEEE electrolytic capacitor symbolC ELEC · SLD / SchematicANSI/IEEE Electromagnetic brake actuator formHSV1Y4 · SchematicANSI/IEEE electrostatically screened transformer symbolTX SCREEN · SLD / SchematicANSI/IEEE Engaged mechanical coupling formQ021218 · SchematicANSI/IEEE feedthrough capacitor symbolC FEED · SLD / SchematicANSI/IEEE float level switch nc symbolLS FLOAT NC · SchematicANSI/IEEE float level switch no symbolLS FLOAT NO · SchematicANSI/IEEE Foot-operated switch formFOOT · SchematicANSI/IEEE Four-phase winding with accessible connection formQ060203 · SLD / SchematicANSI/IEEE Four-point current measurement selector formHSW1S95 · SchematicANSI/IEEE four-position key selector symbolKEY SEL 4 · SchematicANSI/IEEE four-position maintained selector symbolSEL 4 HOLD · SchematicANSI/IEEE frequency meter symbolHz · SLD / SchematicANSI/IEEE Frequency monitoring relay formf MON · SLD / SchematicANSI/IEEE functional earth symbolFE · SLD / SchematicANSI/IEEE functional equipotential bonding symbol- · SchematicANSI/IEEE fuse symbolFU · SLD / SchematicANSI/IEEE fuse-switch symbolFUSE SW · SLD / SchematicANSI/IEEE fused switch symbolSW FUSE · SLD / SchematicANSI/IEEE gapped-core inductor symbolL GAP · SLD / SchematicANSI/IEEE gas discharge tube symbolGDT · SchematicANSI/IEEE Gas flow switch formFS GAS · SchematicANSI/IEEE heating element symbolHEATER · SLD / SchematicANSI/IEEE High-speed relay formK FAST · SchematicANSI/IEEE illuminated normally-closed pushbutton symbolPB NC LAMP · SchematicANSI/IEEE illuminated normally-open pushbutton symbolPB NO LAMP · SchematicANSI/IEEE impulse tachometric dynamo symbolTP · SchematicANSI/IEEE indicator lamp symbolLamp · SchematicANSI/IEEE Inductive proximity switch formPROX IND · SchematicANSI/IEEE Insulation monitoring relay formIMD · Schematic / SLDANSI/IEEE iron-core reactor symbolL IRON · SLD / SchematicANSI/IEEE Key-operated normally-closed switch formKEY NC · SchematicANSI/IEEE Key-operated normally-open switch formKEY NO · SchematicANSI/IEEE Latched foot-operated switch formHFT11L · SchematicANSI/IEEE Latched key-operated switch formKEY HOLD · SchematicANSI/IEEE Latched lever-operated switch formHPB11LSL · SchematicANSI/IEEE Latched pull-cord switch formHPC11L · SchematicANSI/IEEE late-break normally-closed contact symbolNC LATE · SchematicANSI/IEEE late-make normally-open contact symbolNO LATE · SchematicANSI/IEEE led indicator lamp symbolLAMP LED · SchematicANSI/IEEE Lever-operated switch formLEVER · SchematicANSI/IEEE light-dependent resistor symbolLDR · SLD / SchematicANSI/IEEE liquid flow switch symbolFS LIQ · SchematicANSI/IEEE lockable disconnector symbolDS LOCK · SLD / SchematicANSI/IEEE lockable switch-disconnector symbolSD LOCK · SLD / SchematicANSI/IEEE Loss-of-voltage monitoring relay formU LOSS · SLD / SchematicANSI/IEEE Loudspeaker annunciation formHAN1B7 · SchematicANSI/IEEE Magnetic proximity switch formPROX MAG · SchematicANSI/IEEE Magnetoresistive element formHVR1S00689 · SchematicANSI/IEEE main bonding jumper symbolMBJ · SLD / SchematicANSI/IEEE maintained normally-closed contact symbolNC HOLD · SchematicANSI/IEEE maintained normally-closed pushbutton symbolPB NC HOLD · SchematicANSI/IEEE maintained normally-open contact symbolNO HOLD · SchematicANSI/IEEE maintained normally-open pushbutton symbolPB NO HOLD · SchematicANSI/IEEE Make-before-break changeover contact formMBB · SchematicANSI/IEEE Manually released latching device formQ1020604 · SchematicANSI/IEEE Manually unlatched NC contact formNC UNLATCH · SchematicANSI/IEEE Manually unlatched NO contact formNO UNLATCH · SchematicANSI/IEEE Maximum-current monitoring relay formI HIGH · SLD / SchematicANSI/IEEE Maximum-voltage measuring relay formK · Schematic / SLDANSI/IEEE Measuring relay formK MEAS · SchematicANSI/IEEE Mechanical clutch connection formQ021216 · SchematicANSI/IEEE Mechanical gear connection formQ021223 · SchematicANSI/IEEE Mechanical interlock between devices formQ021211 · SchematicANSI/IEEE Mechanical stop latch in engaged state formQ021210 · SchematicANSI/IEEE Mechanical stop latch in neutral state formQ021209 · SchematicANSI/IEEE Mechanical stop-latch indication formQ021208 · SchematicANSI/IEEE mechanically latched relay coil symbolK LATCH · SchematicANSI/IEEE Microphone input formHAN1B9 · SchematicANSI/IEEE Minimum active-power relay formP LOW · SLD / SchematicANSI/IEEE Minimum-current monitoring relay formI LOW · SLD / SchematicANSI/IEEE Minimum-impedance measuring relay formK · Schematic / SLDANSI/IEEE Minimum-voltage measuring relay formK · Schematic / SLDANSI/IEEE Minute-pulse clock contact formHIN1P33 · SchematicANSI/IEEE motor overload alarm no contact symbolOL NO · SchematicANSI/IEEE motor overload trip nc contact symbolOL NC · SchematicANSI/IEEE multi-conductor cable symbolW · SchematicANSI/IEEE Neutral link, closed formN · SLD / SchematicANSI/IEEE Neutral link, open formN · SLD / SchematicANSI/IEEE Neutral-current measuring relay formK · Schematic / SLDANSI/IEEE Neutral-unbalance relay between two polyphase systems formK · Schematic / SLDANSI/IEEE Non-resettable counter relay formCOUNT TOTAL · SchematicANSI/IEEE normally closed contact symbolNC · SchematicANSI/IEEE normally closed pushbutton symbolPB NC · SchematicANSI/IEEE normally open contact symbolNO · SchematicANSI/IEEE normally open pushbutton symbolPB NO · SchematicANSI/IEEE normally-closed limit switch symbolLS NC · SchematicANSI/IEEE normally-open limit switch symbolLS NO · SchematicANSI/IEEE numbered terminal symbolTERM 1 · SchematicANSI/IEEE off-delay normally-closed contact symbolTOFF NC · SchematicANSI/IEEE off-delay normally-open contact symbolTOFF NO · SchematicANSI/IEEE off-delay timer relay symbolTOFF · SchematicANSI/IEEE on-delay normally-closed contact symbolTON NC · SchematicANSI/IEEE on-delay normally-open contact symbolTON NO · SchematicANSI/IEEE on-delay timer relay symbolTON · SchematicANSI/IEEE optical tachometric dynamo symbolTO · SchematicANSI/IEEE Partial-V winding connection formQ060202 · SLD / Schematic