electrical and electronics engineering drawings...



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Adjustable Core-type inductor

Core-type inductor

Core-type inductor with air gap

Variable Core-type inductor

Inductor

Microphone

NAND gate

FET N substrate

NAND gate

NOR gate

NOR gate

NPN transistor

OR gate

OR gate

FET P substrate

Battery

PNP transistor

Potentiometer

Quartz

Rectifier bridge

Rheostat

Thyristor

























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Inverter

Make-and-break slow-operating

Make-and-break slow-releasing

Static convertor

Rectifier bridge

Circuit breaker contactor

Rectifier

NC illuminated push button

Make contact illum push button

NC interlock 3pos rotary switch

NO interlock 3pos rotary switch

NC interlock 2pos rotary switch

NO interlock 2pos rotary switch

NC interlock 3pos rot keyswitch

NO interlock 3pos rot keyswitch

NC interlock 2pos rot keyswitch

NO interlock 2pos rot keyswitch

NC emergency stop switch

NO emergency stop switch

NC emergency stop keyswitch

NO emergency stop keyswitch

Make-and-break contact

























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Make-and-break slow-operating

Make-and-break slow-releasing

NC slow-operating contact

NO slow-releasing contact

NC slow-releasing contact

NO slow-operating contact

NO fuse contact

NC fuse contact

NC pull button

NC rotary button

NO pull button

NO rotary button

NO rotary button

NC contact roller button

NO manual button

NC manual button

NO button

NO manual button

NO contact roller button

NC manual button

NO manual button

NC button

























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NC manual button

Ampmeter

Ampmeter

Transformer

Transformer

Voltmeter

Voltmeter

Transformer

Transformer

Transformers

Transformer

Autotransformer

Autotransformer

Transformer

Transformer

RC filter

RC filter

Diode filter

Diode filter

Make-and-break circuit breaker



























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DC motor

High speed relay coil

2 windings coil

Polarized coil

3P magneto thermal breaker

2P magnetic circuit breaker

2P pull out circuit breaker


2P pull.Magnetothermal breaker

Mechanical mass

Transducer (general symbol)

Earth

Earth connection

Varmeter

Varistor

Voltmeter

Wattmeter

XOR gate

XOR gate

Zener diode

Temperature regulator

Heat sink

























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Heater

Heat sink with lines

Filter with manual separator

Lubricator

Magnetic filter

Strainer for Pollution Indication

Generic symbol

Air dehydrator

Hand operated trap

Automatic trap

Pressure contact

Limit contact

Limit switch (roller contact)

Make-and-break fuse contact

NO proximity sensor

NC proximity sensor

NO light beam sensor

NC light beam sensor

NO pressure sensor

NC pressure sensor

NO flow sensor

NC flow sensor

























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NO temperature sensor

NC temperature sensor

NO rotation sensor

NC rotation sensor

NO frequency sensor

NC frequency sensor

NO voltage sensor

NC voltage sensor

NO speed sensor

NC speed sensor

NO level sensor

NC level sensor

NO current sensor

NC current sensor

































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1P circuit breaker-disconnector




1P removable circuit breaker




1P magneto thermal

2P magneto thermal

3P magneto thermal

4P magneto thermal



2P circuit breaker

4P circuit breaker

1P power contact

2P power contact

3P power contact

























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4P power contact

1P fuse switch

2P fuse switch

3P fuse switch

4P fuse switch

1P fuse-disconnector




1P disconnector

2P disconnector

3P disconnector

4P disconnector

2P circuit breaker

3P circuit breaker

4P circuit breaker

1P circuit breaker

2P differential circuit breaker



1 pole fuse switch-disconnector

2P fuse switch-disconnector

























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1 pole switch-disconnector

2P switch-disconnector



1P power contact

2P power contact

3P power contact

4P power contact

1P thermal relay

3P thermal relay

3P thermal relay

4P thermal relay

1P fuse

2P fuse

3P fuse

4P fuse

1P fuse

2P fuse

3P fuse

4P fuse

























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1P switch

2P switch

3P switch

4P switch

Instantaneous relay coil

Slow-operating delay coil

Slow-releasing delay coil

NO instantaneous contact

NO early closing contact

NO late closing contact

NO thermal contact

NC instantaneous contact

NC late opening contact

NC early opening contact

NC thermal break contact

NO inst. contact + auto return

NO inst. contact + maint. pos.

NC inst. contact + auto return

NC inst. contact + maint. pos.

NO slow-releasing contact

NO slow-operating contact

NO button

























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NO emergency pushbutton

NC slow-releasing contact

NC slow-operating contact

NC push button

NC emergency pushbutton

NO position switch

NO emergency pushbutton

LED

Light

NC position switch

NC emergency pushbutton

Light

Flashing lamp

Current transformer

3P AC motor

3P AC motor

3P AC motor

Single-phase transformer

3P AC motor

3P AC motor

3P AC motor

2P AC motor

























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3P AC motor

Mechanically latched relay coil

Slow-releasing/operating delay coil

Pulse coil

Pulse coil

Flashing coil

Remanent relay coil

Solenoid valve actuator

Rheostat

Rheostat

Rheostat

Rheostat

Self

Self

Self

Self

3 phase transformer

Autotransformer

3 phase autotransformer

1P single winding

3P single winding

2P power contact

























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Fuse switch


2P disconnector


Fuse switch-disconnector

Switch-disconnector

Double-pole contactor

2P thermal relay

Double-pole fuse

Switch

3P power contact



3 phase disconnector

3 phase circuit breaker-disconnector

3 phase switch

3 phase switch

Three-pole contactor

3 phase thermal relay

3 phase fuse

3 phase switch

AC motor

























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AC motor

AC motor

AC motor

AC motor

AC motor

4 pole power contact

4 pole disconnector


4 pole disconnector


4P switch

4P switch

4 pole contactor

4P thermal relay

4P fuse

4P switch

Illuminated push button

Horn

Bell

Buzzer

Siren

Surge diverter/Lightning arrester

























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Spark gap

Diode

Battery

Capacity



3P changeover switch

4P changeover switch

Limit switch contact (arrow)


Limit switch contact (arrow)


Limit switch contact (high)

Limit switch contact (low)

Analogue sensor

Silencers

Pressure indicator

Level indicator

Flow indicator

Tachometer

Thermometer

Differential pressure gauge

























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Torque meter

Pressure gauge

Flow meter

Summation meter

Meter(manual reset,pneu output)

Meter(manual reset,elec output)

Electrically operated sensors

Terminal blocks

Motorised pumps

Line devices

Elec pressure contact

Hand operated sensor

Pressure adjustment devices

Flow adjustment devices

Compressor pumps

Non return check valves

Motors

Lubricators

Timer, logical component

Accumulator discharge unit

Pressure indicators, light

Measuring devices

























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Conditioning devices

Heat exchangers

Dispensers

Cylinders

Pressure mult. or Exchanger

Accumulators

Increase, 1 level of control

Increase, 2 levels of control

Decrease, 2 levels of control

Decrease, 1 level of control





































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Regulation arrow

Double winding electromagnet

Single winding electromagnet

Motor

Single winding electromagnet

Double winding electromagnet

Motor

Push-pull button

Treadle

Push button

Generic symbol

Lever

Pedal

Pull-type button

Pull-type button

Pedal

Lever

Generic symbol

Push button

Treadle

Push-pull button

Spring

























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Swing-type contact roller

Contact roller

Pushbutton

Contact roller

Swing-type contact roller

Spring

Pushbutton

External feedback

External feedback

Point

Flexible

Tank

Air tank

Weight charge for accumulator

Auxiliary gas bottle

Hydro-pneumatic Accumulator

Accumulator

Instantaneous relay coil

Pullout coil

Synchronization coil

NC contact

NO contact

























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AND convergence

AND divergence

OR convergence

OR divergence

Label 2

Label 1

Step + Label

Initial step

Step

Very high threshold

High threshold

Low threshold

Very low threshold

Solenoid actuator

Solenoid actuator

Summing integrator



















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