Mechanical circuit diagram symbol

Photocoupler

Mechanical circuit diagram symbol Daquan ammeter PA
Voltmeter PV
Active energy meter PJ
Reactive energy meter PJR
Frequency table PF
Phase meter PPA
Maximum demand meter (load monitor) PM
Power Factor Table PPF
Active power meter PW
Reactive power meter PR
Reactive current meter PAR
Acoustic signal HA
Optical 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
Terminal board XT
Wire, cable, busbar W
DC bus WB
Plug-in (feed) busbar WIB
Power branch line WP
Lighting branch line WL
Emergency lighting branch line WE
Power mains WPM
Lighting trunk WLM
Emergency lighting trunk WEM
Slide line WT
Closing small busbar WCL
Control small busbar WC
Signal small bus WS
Flash small bus WF
Accident sound small bus WFS
Preview sound small bus WPS
Voltage small busbar WV
Accident lighting small busbar WELM
Arrester F
Fuse FU
Fast fuse FTF
Drop 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
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
Thyristor UR
Control circuit with power supply rectifier VC
Inverter 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
Smoke exhaust valve YS
Electromagnetic lock YL
Trip coil YT
Closing coil YC
Pneumatic actuator YPA, YA
Electric actuator YE
Photocell, pyroelectric sensor B
Pressure transducer BP
Temperature converter BT
Speed ​​converter BV
Time measuring sensor BT1, BK
Level measurement sensor BL
Temperature measuring sensor BH, BM
Heating device (electric heating) FH
Lighting (lighting 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, varistor R
Potentiometer RP
Thermistor RT
Photosensitive resistor RL
Varistor RPS
Grounding resistance RG
Discharge resistance RD
Start varistor RS
Frequency sensitive varistor RF
Current limiting resistor RC