Transcription of INDUSTRIAL ELECTRICAL SYMBOLS
1 INDUSTRIAL ELECTRICAL SYMBOLS ..NONCNONCNCNONCNONONCSYMBOLS FOR STATIC SWITCHING CONTROL DEVICESANTI-PLUGSPEED (PLUGGING)SHOWN IN TABLE AND ENCLOSE THEM IN A BY SOLID-STATE DEVICES. USE SYMBOLSELECTRICAL CIRCUITS WITHOUT USE OF CONTACTS,STATIC SWITCHING CONTROL IS A METHOD OF SWITCHINGSELECTORTWO-POSITIONTHREE-POSIT IONTWO-POSITION SELECTOR PUSHBUTTONPUSHBUTTONSMOMENTARY CONTACTMAINTAINED CONTACTILLUMINATEDCIRCUITSINGLE CIRCUITDOUBLEHEADMUSHROOMWOBBLESTICKSING LETWOCIRCUITCIRCUITONEDOUBLEX - CONTACT CLOSEDSELECTOR POSITIONABBUTTONBUTTONFREECONTACTSDEPRES SEDJLKA1A2A2A1 XXJKLX-CONTACT CLOSED42BA13X-CONTACT CLOSEDKJXA1A2A2A1 KJXDEPRESSEDFREE1 23 4 XXXXNONCNO AND NCRFRRFFINPUT COILOUTPUT NOLIMIT SWITCH NOLIMIT SWITCH NC(AIR, WATER, ETC.)FLOW SWITCHSWITCHTEMPERATURE-ACTUATEDLEVELLIQ UIDSWITCHVACUUMPRESSURE ANDSWITCHESSWITCHESFOOTLIMIT SWITCHESNORMALLYOPENCLOSEDNORMALLYCLOSED HELDHELDOPENDISCONNECTCIRCUITINTERRUPTER CIRCUIT BREAKERWITH THERMAL OLCIRCUIT BREAKERWITH MAGNETIC OLW/ THERMAL ANDCIRCUIT BREAKERMAGNETIC OL 1999 American Technical Publishers.
2 INDUSTRIAL ELECTRICAL SYMBOLS ..VAVARVARHWWHVPFmAAAHAM or AINDUCTORSCOILSIRON COREAIR COREDUAL-VOLTAGE MAGNET COILSHIGH-VOLTAGELOW-VOLTAGECOILBLOWOUT1 2344321 LINKLINKSMETER (INSTRUMENT)PILOT LIGHTSLETTERTYPE BYINDICATEINDICATE COLOR BY LETTERNON PUSH-TO-TESTPUSH-TO-TESTPLACE SPECIFIED LETTER OR LETTERS WITHIN INDICATE FUNCTION OF METER OR INSTRUMENT,AMMETERAMPERE HOURMICROAMMETERMILLAMMETERPOWER FACTORVOLTMETERWATTHOUR METERWATTMETERVARHOUR METERVARMETERVOLTMETERVAMARSUPPLEMENTARY CONTACT SYMBOLSSPST NOSPST NCSPDTTERMSBREAKSINGLEBREAKDOUBLEBREAKSI NGLEDOUBLEBREAKBREAKSINGLEDOUBLEBREAKBRE AKDOUBLESINGLEBREAKBREAKDOUBLESINGLEBREA KDOUBLEBREAKSINGLEBREAKDPST, 2 NODPST, 2 NCDPDTSINGLE-THROWSINGLE-POLE,SPSTSPDTSI NGLE-POLE,DOUBLE-THROWSINGLE-THROWDOUBLE -POLE,DPSTDPDTDOUBLE-POLE,DOUBLE-THROWNO RMALLY OPENNONCNORMALLY CLOSEDCONTACTSOVERLOAD RELAYSINSTANT OPERATINGRETARDED AFTER COIL IS.
3 TIMED CONTACTS - CONTACT ACTIONTHERMALMAGNETICWITH BLOWOUTWITHOUT BLOWOUTENERGIZEDDE-ENERGIZEDNONCNONCNOTC NCTONOTONCTC 1999 American Technical Publishers, .. INDUSTRIAL ELECTRICAL SYMBOLS ..LOOPSSHOW 2 LOOPSSHOW 3 LOOPSSHOW 4T6T4T5T9T8T7T3T2T1T3T6T5T2T4T1T6T5T1T3T 2T4T4T3T1T6T2T5T5T6T4T3T2T1T11T12T13T3T2 T1T3T2T1 LOWCOMHIGHT3T2T1T2T1%5065801000010080655 0%X1X2H2H3H4H1X1X2H2H1 GROUNDCONTROLCONNECTEDARML1, L2, L3L1, L4L11 ELEMENT2 ELEMENT3 ELEMENTUNITS INOVERCURRENTMOTOR RUNNINGCONTROL CIRCUITCONNECTED TOFOR REVERSINGINTERCHANGE LINESL1, L3L1, L3L1, L2L1, L3L1, L2L1 IS ALWAYSUNGROUNDEDL2 GROUND WHEN USEDLINE MARKINGSL1, L2L1, L2, L3L1, L3 PHASE 1L2, L4 PHASE 212 , 4-WIRE3 CONTROL AND POWER CONNECTIONS-600 V OR LESS ACROSS-THE-LINE STARTERSMECHANICALINTERLOCKMECHANICALWIR INGTERMINALPOWERNOTCONNECTEDFIELDSERIESC OMM ORCOMPENSFIELDARMATURESHUNTFIELDCONNECTI ONSWIRINGDC MOTORSWYE-CONNECTED, PART WINDING,REDUCED-VOLTAGEWYE/ delta ,REDUCED -VOLTAGETWO-SPEEDHORSEPOWER,CONSTANT-VAR IABLE-TORQUE,TWO-SPEEDSINGLE-PHASESEPARA TE PHASE.
4 TWO-SPEEDTHREE-PHASESEPARATE WINDING,TWO-SPEEDCONSTANT-TORQUE,TWO-SPE EDAC MOTORSDUAL-VOLTAGESINGLE-VOLTAGEAUTOTRAN SFORMERFOR REDUCED-VOLTAGE STARTINGCONTROL TRANSFORMERCURRENTAIR COREAUTOTRANSFORMERS 1999 American Technical Publishers, .. INDUSTRIAL ELECTRICAL SYMBOLS +(E)(B2)(B1)(B)(C)(E)ADJUSTABLE BYFIXED TAPSDOT IN TUBEDENOTES GAS(B1)(B2)(E)(E)(C)(B)+__DCDCACAC_+RESR ESHEATING ELEMENTHRESN BASEP BASENPN BASEPNP BASEUNIJUNCTION TRANSISTORTRANSISTORDIODEBREAKDOWNBIDIRE CTIONALPHOTOSENSITIVECELLTRIAC(BIDIRECTI ONALTRIODE THYRISTOR)SILICONCONTROLLEDRECTIFIERPROG RAMMABLEUNIT - JUNCTIONTRANSISTOR (PUT)DIODETUNNELDIODEUNIDIRECTIONALBREAK DOWN(ZENER) DIODEPOWER ORCONTROL.. SEMICONDUCTORS.. SEMICONDUCTORS ..SEMICONDUCTORS ..IGNITRONTUBETHERMOCOUPLEBATTERYRECTIFI ERFULL-WAVEHALF-WAVERECTIFIERHORN,SIREN, , POT, ORADJUSTABLE TAPFIXEDCAPACITORSRESISTORS 1999 American Technical Publishers, Inc.
