Single Line Electrical Symbol

Single line symbols electrical symbols used to represent various electrical devices for usages in electrical schematic design

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Sample Drawings
Categories

Contactor 3P

Contactor 3P

Contactor 3P

K1
Contactor 3P

Contactor 3P

Circuit Breaker 3P

Circuit Breaker 3P

Circuit Breaker 3P

Q1
MCB 3P

Circuit Breaker 3P

Disconnector/Isolator 3P

Disconnector/Isolator 3P

Disconnector/Isolator 3P

Q1
Isolator/Disconnector 3P

Disconnector/Isolator 3P

Switch Disconnector 3P

Switch Disconnector 3P

Switch Disconnector 3P

Q1
Switch Disconnector 3P

Switch Disconnector 3P

Fuse Disconnector/Isolator 3P

Fuse Disconnector/Isolator 3P

Fuse Disconnector/Isolator 3P

F1
Fuse Disconnector 3P

Fuse Disconnector/Isolator 3P

Fuse Switch Disconnector 3P

Fuse Switch Disconnector 3P

Fuse Switch Disconnector 3P

F1
Fuse Switch Disconnector 3P

Fuse Switch Disconnector 3P

Selector Switch 1P

Selector Switch 1P

Selector Switch 1P

S1
Selector Switch 2 Pos - Maintained

Selector Switch 1P

Selector Switch 2P

Selector Switch 2P

Selector Switch 2P

S1
Selector Switch 2 Pos - Maintained

Selector Switch 2P

Selector Switch 3P

Selector Switch 3P

Selector Switch 3P

S1
Selector Switch 2 Pos - Maintained

Selector Switch 3P

Fuse 3P

Fuse 3P

Fuse 3P

F1
Fuse 3P

Fuse 3P

Pilot Light

Pilot Light

Pilot Light

PL1
Pilot Light

Pilot Light

Photo Cell

Photo Cell

Photo Cell

PC1
Photo Cell

Photo Cell

On Delay NO Contact

On Delay NO Contact

On Delay NO Contact

K1
Timer - On Delay

On Delay NO Contact

Off Delay NO Contact

Off Delay NO Contact

Off Delay NO Contact

K1
Timer - Off Delay

Off Delay NO Contact

Manual Switch

Manual Switch

Manual Switch

S1
Selector Switch 2 Pos - Maintained

Manual Switch

Emergency Stop Switch

Emergency Stop Switch

Emergency Stop Switch

S1
Pilot Light - Transformer

Emergency Stop Switch

Handwheel Switch

Handwheel Switch

Handwheel Switch

S1
Selector Switch 2 Pos - Maintained

Handwheel Switch

Lever Switch

Lever Switch

Lever Switch

S1
Limit Switch

Lever Switch

Removable Handle Switch

Removable Handle Switch

Removable Handle Switch

S1
Selector Switch 2 Pos - Maintained

Removable Handle Switch

Roller Switch

Roller Switch

Roller Switch

S1
Roller Switch

Roller Switch

Cam Switch

Cam Switch

Cam Switch

S1
Cam Switch

Cam Switch

Spring Switch

Spring Switch

Spring Switch

S1
Limit Switch

Spring Switch

Single Acting Switch

Single Acting Switch

Single Acting Switch

S1
Single Acting Switch

Single Acting Switch

Double Acting Switch

Double Acting Switch

Double Acting Switch

S1
Double Acting Switch

Double Acting Switch

Electromagnetic Switch

Electromagnetic Switch

Electromagnetic Switch

S1
Electromagnetic Switch

Electromagnetic Switch

Electric Motor Switch

Electric Motor Switch

Electric Motor Switch

S1
Electric Motor Switch

Electric Motor Switch

Electronic Clock Switch

Electronic Clock Switch

Electronic Clock Switch

P1
Electronic Clock

Electronic Clock Switch

Level Switch

Level Switch

Level Switch

K1
Liquid Level Switch

Level Switch

Flow Switch

Flow Switch

Flow Switch

K1
Flow Switch

Flow Switch

Foot Switch

Foot Switch

Foot Switch

S1
Foot Switch

Foot Switch

Static Switch

Static Switch

Static Switch

S1
Static Switch

Static Switch

Coil

Coil

Coil

K1
Relay - MY2/MY4

Coil

Off Delay Timer

Off Delay Timer

Off Delay Timer

K1
Timer - Off Delay

Off Delay Timer

On Delay Timer

On Delay Timer

On Delay Timer

K1
Timer - On Delay

On Delay Timer

Counter - Pulse

Counter - Pulse

Counter - Pulse

P1
Counter

Counter - Pulse

Over Voltage Relay

Over Voltage Relay

Over Voltage Relay

K1
Relay - Over Voltage

Over Voltage Relay

Under Voltage Relay

Under Voltage Relay

Under Voltage Relay

K1
Relay - Under Voltage

Under Voltage Relay

Earth Fault Relay

Earth Fault Relay

Earth Fault Relay

K1
Earth Fault Relay

Earth Fault Relay

Instantaneous OverCurrent Relay

Instantaneous OverCurrent Relay

Instantaneous OverCurrent Relay

K1
Instantaneous OverCurrent Relay

Instantaneous OverCurrent Relay

OverCurrent Relay

OverCurrent Relay

OverCurrent Relay

K1
OverCurrent Relay

OverCurrent Relay

Under Power Relay

Under Power Relay

Under Power Relay

K1
Under Power Relay

Under Power Relay

Reverse Power Relay

Reverse Power Relay

Reverse Power Relay

K1
Reverse Power Relay

Reverse Power Relay

Minimum Impedance Relay

Minimum Impedance Relay

Minimum Impedance Relay

K1
Minimum Impedance Relay

Minimum Impedance Relay

Thermal Overload Relay

Thermal Overload Relay

Thermal Overload Relay

K1
Thermal Overload Relay

Thermal Overload Relay

Differential Current Relay

Differential Current Relay

Differential Current Relay

K1
Differential Current Relay

Differential Current Relay

Horn

Horn

Horn

H1
Horn

Horn

Bell

Bell

Bell

B1
Bell

Bell

Siren

Siren

Siren

H1
Siren

Siren

Transformer 3P

Transformer 3P

Transformer 3P

T1
Transformer 3P

Transformer 3P

Transformer 3P - Variable Coupling

Transformer 3P - Variable Coupling

Transformer 3P - Variable Coupling

T1
Transformer 3P - Variable Coupling

Transformer 3P - Variable Coupling

AutoTransformer 3P

AutoTransformer 3P

AutoTransformer 3P

T1
Auto Transformer 3P

AutoTransformer 3P

Current Transformer

Current Transformer

Current Transformer

T1
Current Transformer

Current Transformer

Current Transformer - 1 Core, 2 Windings

Current Transformer - 1 Core, 2 Windings

Current Transformer - 1 Core, 2 Windings

T1
Current Transformer - 1 Core

Current Transformer - 1 Core, 2 Windings

Current Transformer - 3 Threaded Primary Conductor

Current Transformer - 3 Threaded Primary Conductor

Current Transformer - 3 Threaded Primary Conductor

T75
Current Transformer - 3 Threaded Primary Conductor

Current Transformer - 3 Threaded Primary Conductor

Transformer 3P - Star/Delta

Transformer 3P - Star/Delta

Transformer 3P - Star/Delta

T1
Transformers 3P - Star Delta

Transformer 3P - Star/Delta

Kilo Watt Hour Meter

Kilo Watt Hour Meter

Kilo Watt Hour Meter

P1
Kilo Watt Hour Meter

Kilo Watt Hour Meter

Kilo Var Hour Meter

Kilo Var Hour Meter

Kilo Var Hour Meter

P1
Kilo Var Hour Meter

Kilo Var Hour Meter

Wattmeter - Recording

Wattmeter - Recording

Wattmeter - Recording

P1
Wattmeter - Recording

Wattmeter - Recording

Voltmeter

Voltmeter

Voltmeter

P1
Voltmeter

Voltmeter

Ammeter

Ammeter

Ammeter

P1
Ampmeter

Ammeter

Varmeter

Varmeter

Varmeter

P1
Varmeter

Varmeter

Power Factor Meter

Power Factor Meter

Power Factor Meter

P1
Power Factor meter

Power Factor Meter

Frequency Meter

Frequency Meter

Frequency Meter

P1
Frequency Meter

Frequency Meter

Thermometer / Pyrometer

Thermometer / Pyrometer

Thermometer / Pyrometer

P1
Thermometer

Thermometer / Pyrometer

Hour Meter

Hour Meter

Hour Meter

P1
Hour meter

Hour Meter

Plug and Socket Connector

Plug and Socket Connector

Plug and Socket Connector

Con1
Multi Pin Connector (Male & Female)

Plug and Socket Connector

Generator

Generator

Generator

G1
Generator

Generator

AC Motor 3P - 3 Terminal

AC Motor 3P - 3 Terminal

AC Motor 3P - 3 Terminal

M1
Motor 3P AC

AC Motor 3P - 3 Terminal

Power Supply, Converter - DC/DC

Power Supply, Converter - DC/DC

Power Supply, Converter - DC/DC

G1
Power Supply DC/DC - Converter

Power Supply, Converter - DC/DC

Power Supply, Rectifier - AC/DC

Power Supply, Rectifier - AC/DC

Power Supply, Rectifier - AC/DC

G1
Power Supply AC/DC - Switching

Power Supply, Rectifier - AC/DC

Power Supply, Inverter - DC/AC

Power Supply, Inverter - DC/AC

Power Supply, Inverter - DC/AC

G1
Power Supply DC/AC - Inverter

Power Supply, Inverter - DC/AC

Bridge Rectifier

Bridge Rectifier

Bridge Rectifier

G1
Bridge Rectifier

Bridge Rectifier

Battery - Multi Cell

Battery - Multi Cell

Battery - Multi Cell

B1
Battery

Battery - Multi Cell

Capacitor

Capacitor

Capacitor

C1
Capacitor

Capacitor

Inductor

Inductor

Inductor

L1
Inductor

Inductor

Resistor

Resistor

Resistor

R1
Resistor

Resistor

Resistor - Variable

Resistor - Variable

Resistor - Variable

R1
Resistor - Adjustable

Resistor - Variable

Thermistor

Thermistor

Thermistor

Rt1
Thermistor

Thermistor

Potentiometer

Potentiometer

Potentiometer

R1
Potentiometer - Step Variable

Potentiometer

Heater

Heater

Heater

H1
Heater

Heater

Diode

Diode

Diode

D1
Diode

Diode

Diode - Light Emitting (LED)

Diode - Light Emitting (LED)

Diode - Light Emitting (LED)

D0
Diode - Light Emitting (LED)

Diode - Light Emitting (LED)

Triac

Triac

Triac

TH1
Triac

Triac

Cable Head

Cable Head

Cable Head

H1
Cable Head

Cable Head

Telephone

Telephone

Telephone

T1
Telephone

Telephone

Antenna

Antenna

Antenna

A1
Antenna

Antenna

Lightning Rod

Lightning Rod

Lightning Rod

L1
Lightning Rod

Lightning Rod

Lightning Arrestor

Lightning Arrestor

Lightning Arrestor

L1
Lightning Arrestor

Lightning Arrestor

Spark Gap

Spark Gap

Spark Gap

S1
Spark Gap

Spark Gap

Reactor

Reactor

Reactor

R1
Reactor

Reactor

Instrumentation Panel

Instrumentation Panel

Instrumentation Panel

P1
Instrumentation Panel

Instrumentation Panel

Distribution Panel

Distribution Panel

Distribution Panel

P1
Distribution Panel

Distribution Panel

Remote Control Station

Remote Control Station

Remote Control Station

P1
Remote Control Station

Remote Control Station

Junction Box

Junction Box

Junction Box

JB1
Junction Box

Junction Box

Straight Through Junction Box

Straight Through Junction Box

Straight Through Junction Box

JB1
Straight Through Junction Box

Straight Through Junction Box

Socket Outlet

Socket Outlet

Socket Outlet

So1
Socket Outlet

Socket Outlet

Socket Outlet with Protective Contact

Socket Outlet with Protective Contact

Socket Outlet with Protective Contact

So1
Socket Outlet with Protective Contact

Socket Outlet with Protective Contact

Fluorescent Lighting Fixture, 2X20W

Fluorescent Lighting Fixture, 2X20W

Fluorescent Lighting Fixture, 2X20W

LT1
Fluorescent Lighting Fixture, 2X20W

Fluorescent Lighting Fixture, 2X20W

Fluorescent Lighting Fixture, 2X40W

Fluorescent Lighting Fixture, 2X40W

Fluorescent Lighting Fixture, 2X40W

LT1
Fluorescent Lighting Fixture, 2X40W

Fluorescent Lighting Fixture, 2X40W

Fluorescent Lighting Fixture, 2X65W

Fluorescent Lighting Fixture, 2X65W

Fluorescent Lighting Fixture, 2X65W

LT1
Fluorescent Lighting Fixture, 2X65W

Fluorescent Lighting Fixture, 2X65W

Fluorescent Lighting Fixture, 2X20W (Mounted Under Platform)

Fluorescent Lighting Fixture, 2X20W (Mounted Under Platform)

Fluorescent Lighting Fixture, 2X20W (Mounted Under Platform)

LT1
Fluorescent Lighting Fixture, 2X20W

Fluorescent Lighting Fixture, 2X20W (Mounted Under Platform)

Fluorescent Lighting Fixture, 2X40W (Mounted Under Platform)

Fluorescent Lighting Fixture, 2X40W (Mounted Under Platform)

Fluorescent Lighting Fixture, 2X40W (Mounted Under Platform)

LT1
Fluorescent Lighting Fixture, 2X40W

Fluorescent Lighting Fixture, 2X40W (Mounted Under Platform)

Fluorescent Lighting Fixture, 2X65W (Mounted Under Platform)

Fluorescent Lighting Fixture, 2X65W (Mounted Under Platform)

Fluorescent Lighting Fixture, 2X65W (Mounted Under Platform)

LT1
Fluorescent Lighting Fixture, 2X65W

Fluorescent Lighting Fixture, 2X65W (Mounted Under Platform)

Floodlight

Floodlight

Floodlight

LT1
Floodlight

Floodlight

Street or Fence Lighting Fixture

Street or Fence Lighting Fixture

Street or Fence Lighting Fixture

LT1
Street or Fence Lighting Fixture

Street or Fence Lighting Fixture

Emergency Exit, Right

Emergency Exit, Right

Emergency Exit, Right

LT1
Emergency Exit

Emergency Exit, Right

Emergency Exit, Left

Emergency Exit, Left

Emergency Exit, Left

LT1
Emergency Exit

Emergency Exit, Left

Bus Duct

Bus Duct

Bus Duct

B1
Bus Duct

Bus Duct

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