Comprehensive list of electrical symbols

Ammeter PA

Voltmeter PV

Active energy meter PJ

Reactive power Electricity meter PJR

Frequency meter PF

Phase meter PPA

Maximum demand meter (load monitor) PM

Power factor Table PPF

Active power meter PW

Reactive power meter PR

Reactive ammeter PAR

Acoustic signal HA

Light signal HS

Indicator light HL

Red light HR

Green light HG

Yellow light HY

Blue light HB

White light HW

Connecting piece XB

Plug XP

Socket XS

< p>Terminal board >Power branch line WP

Lighting branch line WL

Emergency lighting branch line WE

Power main line WPM

Lighting main line WLM

p>

Emergency lighting main line WEM

Tractor line WT

Close small busbar WCL

Control small busbar WC

Signal small bus WS

Flash small bus WF

Accident audio small bus WFS

Preview audio small bus WPS

Voltage small bus WV

Accident lighting small busbar WELM

Lightning arrester F

Fuse FU

Quick fuse FTF

Fall Type fuse FF

Voltage limiting protection device FV

Capacitor C

Power capacitor CE

Forward button SBF

Reverse button SBR

Stop button SBS

Emergency button SBE

Test button SBT

Reset button SR

Limit switch SQ

Proximity switch SQP

Manual control switch SH

Time control switch SK

Liquid level control Switch SL

Humidity control switch SM

Pressure control switch SP

Speed ??control switch SS

Temperature control switch, auxiliary switch ST< /p>

Voltmeter switch SV

Ammeter switch SA

Rectifier U

Silicon controlled rectifier UR

The control circuit has a power supply rectifier VC

Frequency converter UF

Converter UC

Inverter UI

Motor M

p>

Asynchronous motor MA

Synchronous motor MS

DC motor MD

Wound rotor induction motor MW

Squirrel cage Type motor MC

Electric valve YM

Solenoid valve YV

Fire damper YF

Smoke exhaust valve YS

Electromagnetic lock YL

Tripping coil YT

Close coil YC

Pneumatic actuator YPA, YA

Electric actuator YE< /p>

Heating device (electric heating) FH

Lighting lamp (light-emitting device) EL

Air conditioner EV

Electric heater heating element EE

Induction coil, reactor L

Excitation coil LF

Arc suppression coil LA

Filter capacitor LL

< p>Resistor, Rheostat R

Potentiometer RP

Thermistor RT

Photoresistor R

L

Varistor RPS

Ground resistance RG

Discharge resistor RD

Starting varistor RS

Frequency Sensitive varistor RF

Current limiting resistor RC

Photocell, pyroelectric sensor B

Pressure transducer BP

Temperature transducer BT< /p>

Speed ??converter BV

Time measuring sensor BT1, BK

Liquid level measuring sensor BL

Temperature measuring sensor BH, BM

p>

Auxiliary text name

Character symbol

A current

A simulation

AC

A AC

Auto

AUT

ACC Acceleration

ADD Additional

ADJ Adjustable

AUX auxiliary

ASY asynchronous

B

BRK brake

BK black

BL blue

BW backward

C control

CW clockwise

CCW counterclockwise

D delay ( Delay)

D differential

D digital

D drop

DC direct current

DEC minus

p>

E Ground

EM Emergency

F Fast

FB Feedback

FW Positive, forward

GN Green

H High

IN Input

INC Increase

IND Induction

L Left

L Limit

L Low

LA Lockout

M Main

M Medium

< p>M Neutral wire

M

MAN Manual

N Neutral wire

OFF disconnected

ON connected (closed)

OUT output

P pressure

P protection

PE protective ground

PEN is used for protective grounding and neutral wire***

PU ungrounded protection

R record

R right

R reverse< /p>

RD red

R

RST reset

RES standby

RUN operation

S signal

ST start

S

SET setting, positioning

SAT saturation

STE step

STP Stop

SYN Synchronization

T Temperature

T Time

TE No noise (anti-interference) Ground

V Vacuum

V Speed

V Voltage

WH White

YE Yellow

Complete list of electrical component symbols

Serial number component name new symbol old symbol

1 Relay K J

2 Current relay KA LJ

3 Negative sequence current relay KAN FLJ

4 Zero sequence current relay KAZ LLJ

5 Voltage relay KV YJ

6 Positive sequence voltage relay KVP ZYJ

7 Negative sequence voltage relay KVN FYJ

8 Zero sequence voltage relay KVZ LYJ

9 Time relay KT SJ

10 Power relay KP GJ< /p>

11 Differential relay KD CJ

12 Signal relay KS XJ

13 Signal impact relay KAI XMJ

14 Relay KC ZJ

p><

p>15 Thermal relay KR RJ

16 Impedance relay KI ZKJ

17 Temperature relay KTP WJ

18 Gas relay KG WSJ

19 Closing relay KCR or KON HJ

20 Trip relay KTR TJ

21 Closing relay KCP HWJ

22 Trip relay KTP TWJ

< p>23 Power monitoring relay KVS JJ

24 Pressure monitoring relay KVP YJJ

25 Voltage relay KVM YZJ

26 Accident signal relay KCA SXJ

27 Relay protection trip outlet relay KOU BCJ

28 Manual closing relay KCRM SHJ

29 Manual tripping relay KTPM STJ

30 Acceleration relay KAC Or KCL JSJ

31 Reset relay KPE FJ

32 Locking relay KLA or KCB BSJ

33 Synchronous check relay KSY TJJ

34 Automatic quasi-synchronous device ASA ZZQ

35 Automatic reclosing device ARE ZCJ

36 Automatic excitation regulating device AVR or AAVR ZTL

37 Standby power automatic input device AATS Or RSAD BZT

38 Button SB AN

39 Closing button SBC HA

40 Trip button SBT TA

41 Reset button SBre or SBR FA

42 Test button SBte YA

43 Emergency stop button SBes JTA

44 Start button SBst QA

45 Self-holding button SBhs BA

46 Stop button SBss

47 Control switch SAC KK

48 Changeover switch SAH or SA ZK< /p>

49 Measurement changeover switch SAM CK

50 Synchronization changeover switch SAS TK

51 Automatic synchronization changeover switch 2SASC DTK

52 Manual synchronization changeover Switch 1SASC STK

53 Self-synchronous transfer switch SSA2 ZTK

54 Automatic switch QA

55 Knife switch QK or SN DK

56 Fuse FU RD

57 Fast-acting fuse FUhs RDS

58 Locking switch SAL BK

59 Signal light HL XD

60 Light word Brand HL or HP GP

61 Alarm HAB or HA JL

62 Closing contactor KMC HC

63 Contactor KM C

< p>64 Closing coil Yon or LC HQ

65 Trip coil Yoff or LT TQ

66 Socket XS

67 Plug XP

68 Terminal block BP YB

73 Temperature transmitter BT WDB

74 Electric clock PT

75 Ammeter PA

76 Voltmeter PV < /p>

77 Electricity meter PJ

78 Active power meter PPA

79 Reactive power meter PPR

80 Synchronous table S

81 Frequency table PF

82 Electricity

Container C

83 Demagnetizing resistor RFS or Rfd Rmc

84 Shunt RW

85 Thermal resistor RT

86 Potentiometer RP

87 Inductance (reactance) coil L

88 Current transformer TA CT or LH

89 Voltage transformer TV PT or YH

10KV voltage transformer TV SYH

35KV voltage transformer TV UYH

110KV voltage transformer TV YYH

90 circuit breaker QF DL

< p>91 Isolating switch QS G

92 Power transformer TM B

93 Synchronous generator GS TF

94 AC motor MA JD

95 DC motor MD ZD

96 Voltage transformer secondary circuit small busbar

97 Synchronous voltage small busbar (to be merged) WST or WVB TQMa, TQMb

98 synchronous voltage small bus (operation) WOS` or WVBn TQM`a, TQM`b

99 synchronous closing small bus 1WSC, 2WSC, 3WSC

1WPO, 2WPO, 3WPO 1THM, 2THM, 3THM

100 Small busbar for control power +WC,-WC +KM,-KM

101 Small busbar for signal power +WS,-WS +XM,-XM

102 Closing power supply small bus +WON,-WON +HM,-HM

103 Accident signal small bus WFA SYM

104 Zero sequence voltage small bus WVBz

Ammeter PA

Voltmeter PV

Active energy meter PJ

Reactive energy meter PJR

< p>Frequency meter PF

Phase meter PPA

Maximum demand meter (load monitor) PM

Power factor meter PPF

Active power meter PW

Reactive power meter PR

Reactive ammeter PAR

Acoustic signal HA

Light signal HS

Indicator light HL

Red light HR

Green light HG

Yellow light HY

Blue light HB

p>

White lamp HW

Connecting piece XB

Plug XP

Socket XS

Terminal board XT

Wires, cables, busbars W

DC busbar WB

Plug-in (feed) busbar WIB

Power branch line WP

Lighting branch line WL

Emergency lighting branch line WE

Power main line WPM

Lighting main line WLM

Emergency lighting main line WEM

Trailer WT

Close small bus WCL

Control small bus WC

Signal small bus WS

< p>Flash small busbar WF

Accident audio small busbar WFS

Preview audio small busbar WPS

Voltage small busbar WV

Accident lighting Small bus WELM

Arrester F

Fuse FU

Quick fuse FTF

Drop-out fuse FF

< p>Voltage limiting protection device FV

Capacitor C

Power capacitor CE

Forward button SBF

Reverse button SBR

p>

Stop button SBS

Emergency button SBE

Test button SBT

Reset button SR

Limit switch SQ

Proximity switch SQP

Manual control switch SH

< p>Time control switch SK

Liquid level control switch SL

Humidity control switch SM

Pressure control switch SP

Speed ??control switch SS

Temperature control switch, auxiliary switch ST

Voltmeter switch SV

Ammeter switch SA

Rectifier U

Silicon controlled rectifier UR

Control circuit power supply rectifier VC

Frequency converter UF

Converter UC

Inverter UI

Motor M

Asynchronous motor MA

Synchronous motor MS

DC motor MD

Wound rotor induction motor MW

Squirrel cage motor MC

Electric valve YM

Solenoid valve YV

Fire damper YF < /p>

Smoke valve YS

Electromagnetic lock YL

Tripping coil YT

Close coil YC

Pneumatic execution Actuator YPA, YA

Electric actuator YE

Heating device (electric heating) FH

Lamp (light-emitting device) EL

Air conditioner EV

Electric heater heating element EE

Induction coil, reactor L

Excitation coil LF

Arc suppression coil LA

Filter capacitor LL

Resistor, rheostat R

Potentiometer RP

Thermistor RT

Photoresistor RL

Varistor RPS

Ground resistor RG

Discharge resistor RD

Startup varistor RS

< p>Frequency sensitive rheostat RF

Current limiting resistor RC

Photocell, pyroelectric sensor B

Pressure converter BP

Temperature conversion Device BT

Speed ??converter BV

Time measuring sensor BT1,BK

Liquid level measuring sensor BL

Temperature measuring sensor BH, BM