Single Line Symbols

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

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Contactor 3P

Contactor 3P

Contactor 3P

K1
Contactor 3P
Contactors

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
Disconnectors

Disconnector/Isolator 3P

Switch Disconnector 3P

Switch Disconnector 3P

Switch Disconnector 3P

Q1
Switch Disconnector 3P
Disconnectors

Switch Disconnector 3P

Fuse Disconnector/Isolator 3P

Fuse Disconnector/Isolator 3P

Fuse Disconnector/Isolator 3P

F1
Fuse Disconnector 3P
Fuses

Fuse Disconnector/Isolator 3P

Fuse Switch Disconnector 3P

Fuse Switch Disconnector 3P

Fuse Switch Disconnector 3P

F1
Fuse Switch Disconnector 3P
Fuses

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
Fuses

Fuse 3P

Pilot Light

Pilot Light

Pilot Light

PL1
Pilot Light
Pilot Lights

Pilot Light

Photo Cell

Photo Cell

Photo Cell

PC1
Photo Cell
Miscellaneous

Photo Cell

Normally Open Contact

Normally Open Contact

Normally Open Contact

K1
Auxiliary Contact 1NC 1NO

Normally Open Contact

Normally Close Contact

Normally Close Contact

Normally Close Contact

K1
Auxiliary Contact 1NC 1NO

Normally Close Contact

ChangeOver Contact - Break Before Make

ChangeOver Contact - Break Before Make

ChangeOver Contact - Break Before Make

K1
Auxiliary Contact 1NC 1NO

ChangeOver Contact - Break Before Make

On Delay NO Contact

On Delay NO Contact

On Delay NO Contact

K1
Timer - On Delay
Timers

On Delay NO Contact

Off Delay NO Contact

Off Delay NO Contact

Off Delay NO Contact

K1
Timer - Off Delay
Timers

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

Key Selector Switch

Key Selector Switch

Key Selector Switch

S1
Key Switch

Key Selector Switch

Roller Switch

Roller Switch

Roller Switch

S1
Roller Switch
Cam Switches

Roller Switch

Cam Switch

Cam Switch

Cam Switch

S1
Cam Switch
Cam Switches

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
Miscellaneous

Single Acting Switch

Double Acting Switch

Double Acting Switch

Double Acting Switch

S1
Double Acting Switch
Miscellaneous

Double Acting Switch

Electromagnetic Switch

Electromagnetic Switch

Electromagnetic Switch

S1
Electromagnetic Switch
Miscellaneous

Electromagnetic Switch

Electric Motor Switch

Electric Motor Switch

Electric Motor Switch

S1
Electric Motor Switch
Miscellaneous

Electric Motor Switch

Electronic Clock Switch

Electronic Clock Switch

Electronic Clock Switch

P1
Electronic Clock
Timers

Electronic Clock Switch

Level Switch

Level Switch

Level Switch

K1
Liquid Level Switch
Level Sensors

Level Switch

Flow Switch

Flow Switch

Flow Switch

K1
Flow Switch
Flow Sensors

Flow Switch

Foot Switch

Foot Switch

Foot Switch

S1
Foot Switch
Foot Switches

Foot Switch

Circuit Breaker Thermal & Magnetic 3P

Circuit Breaker Thermal & Magnetic 3P

Circuit Breaker Thermal & Magnetic 3P

Q1
MCB 3P

Circuit Breaker Thermal & Magnetic 3P

Circuit Breaker 3P - Thermal

Circuit Breaker 3P - Thermal

Circuit Breaker 3P - Thermal

Q1
MCB 3P

Circuit Breaker 3P - Thermal

Circuit Breaker 3P - Magnetic

Circuit Breaker 3P - Magnetic

Circuit Breaker 3P - Magnetic

Q1
MCB 3P

Circuit Breaker 3P - Magnetic

Coil

Coil

Coil

K1
Relay - MY2/MY4
Relays

Coil

Off Delay Timer

Off Delay Timer

Off Delay Timer

K1
Timer - Off Delay
Timers

Off Delay Timer

On Delay Timer

On Delay Timer

On Delay Timer

K1
Timer - On Delay
Timers

On Delay Timer

Counter - Pulse

Counter - Pulse

Counter - Pulse

P1
Counter
Counters

Counter - Pulse

Over Voltage Relay

Over Voltage Relay

Over Voltage Relay

K1
Relay - Over Voltage
Relays

Over Voltage Relay

Under Voltage Relay

Under Voltage Relay

Under Voltage Relay

K1
Relay - Under Voltage
Relays

Under Voltage Relay

Earth Fault Relay

Earth Fault Relay

Earth Fault Relay

K1
Earth Fault Relay
Relays

Earth Fault Relay

Instantaneous OverCurrent Relay

Instantaneous OverCurrent Relay

Instantaneous OverCurrent Relay

K1
Instantaneous OverCurrent Relay
Relays

Instantaneous OverCurrent Relay

OverCurrent Relay

OverCurrent Relay

OverCurrent Relay

K1
OverCurrent Relay
Relays

OverCurrent Relay

Under Power Relay

Under Power Relay

Under Power Relay

K1
Under Power Relay
Relays

Under Power Relay

Reverse Power Relay

Reverse Power Relay

Reverse Power Relay

K1
Reverse Power Relay
Relays

Reverse Power Relay

Minimum Impedance Relay

Minimum Impedance Relay

Minimum Impedance Relay

K1
Minimum Impedance Relay
Relays

Minimum Impedance Relay

Temperature Controller

Temperature Controller

Temperature Controller

K1
Temperature Controller

Temperature Controller

Horn

Horn

Horn

H1
Horn
Announciators

Horn

Bell

Bell

Bell

B1
Bell
Announciators

Bell

Siren

Siren

Siren

H1
Siren
Announciators

Siren

Transformer 3P

Transformer 3P

Transformer 3P

T1
Transformer 3P
Transformers

Transformer 3P

Transformer 3P - Variable Coupling

Transformer 3P - Variable Coupling

Transformer 3P - Variable Coupling

T1
Transformer 3P - Variable Coupling
Transformers

Transformer 3P - Variable Coupling

AutoTransformer 3P

AutoTransformer 3P

AutoTransformer 3P

T1
Auto Transformer 3P
Transformers

AutoTransformer 3P

Current Transformer

Current Transformer

Current Transformer

T1
Current Transformer
Transformers

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
Transformers

Current Transformer - 1 Core, 2 Windings

Kilo Watt Hour Meter

Kilo Watt Hour Meter

Kilo Watt Hour Meter

P1
Kilo Watt Hour Meter
Meters

Kilo Watt Hour Meter

Kilo Var Hour Meter

Kilo Var Hour Meter

Kilo Var Hour Meter

P1
Kilo Var Hour Meter
Meters

Kilo Var Hour Meter

Wattmeter - Recording

Wattmeter - Recording

Wattmeter - Recording

P1
Wattmeter - Recording
Meters

Wattmeter - Recording

Voltmeter

Voltmeter

Voltmeter

P1
Voltmeter
Meters

Voltmeter

Ammeter

Ammeter

Ammeter

P1
Ampmeter
Meters

Ammeter

Varmeter

Varmeter

Varmeter

P1
Varmeter
Meters

Varmeter

Power Factor Meter

Power Factor Meter

Power Factor Meter

P1
Power Factor meter
Meters

Power Factor Meter

Frequency Meter

Frequency Meter

Frequency Meter

P1
Frequency Meter
Meters

Frequency Meter

Thermometer / Pyrometer

Thermometer / Pyrometer

Thermometer / Pyrometer

P1
Thermometer
Meters

Thermometer / Pyrometer

Hour Meter

Hour Meter

Hour Meter

P1
Hour meter
Meters

Hour Meter

Plug and Socket Connector

Plug and Socket Connector

Plug and Socket Connector

Con1
Multi Pin Connector (Male & Female)
Connectors

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
Motors

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
Batteries

Battery - Multi Cell

Capacitor

Capacitor

Capacitor

C1
Capacitor
Capacitors

Capacitor

Inductor

Inductor

Inductor

L1
Inductor
Inductors

Inductor

Resistor

Resistor

Resistor

R1
Resistor
Resistors

Resistor

Resistor - Variable

Resistor - Variable

Resistor - Variable

R1
Resistor - Adjustable
Resistors

Resistor - Variable

Thermistor

Thermistor

Thermistor

Rt1
Thermistor
Thermistors

Thermistor

Potentiometer

Potentiometer

Potentiometer

R1
Potentiometer - Step Variable
Resistors

Potentiometer

Heater

Heater

Heater

H1
Heater
Heaters

Heater

Diode

Diode

Diode

D1
Diode
Diodes

Diode

Diode - Light Emmitting (LED)

Diode - Light Emmitting (LED)

Diode - Light Emmitting (LED)

D1
Diode - Light Emitting (LED)
Diodes

Diode - Light Emmitting (LED)

Triac

Triac

Triac

TH1
Triac

Triac

Telephone

Telephone

Telephone

T1
Telephone
Miscellaneous

Telephone

Antenna

Antenna

Antenna

A1
Antenna
Miscellaneous

Antenna

Lightning Rod

Lightning Rod

Lightning Rod

L1
Lightning Rod
Miscellaneous

Lightning Rod

Lightning Arrestor

Lightning Arrestor

Lightning Arrestor

L1
Lightning Arrestor
Miscellaneous

Lightning Arrestor

Spark Gap

Spark Gap

Spark Gap

S1
Spark Gap
Miscellaneous

Spark Gap

Distribution Panel

Distribution Panel

Distribution Panel

P1
Distribution Panel
Panels

Distribution Panel

Instrumentation Panel

Instrumentation Panel

Instrumentation Panel

P1
Instrumentation Panel
Panels

Instrumentation Panel

Remote Control Station

Remote Control Station

Remote Control Station

P1
Remote Control Station
Panels

Remote Control Station

Junction Box

Junction Box

Junction Box

JB1
Junction Box
Miscellaneous

Junction Box

Straight Through Junction Box

Straight Through Junction Box

Straight Through Junction Box

JB1
Straight Through Junction Box
Miscellaneous

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

Emergency Exit, Above Door

Emergency Exit, Above Door

Emergency Exit, Above Door

LT1
Emergency Exit

Emergency Exit, Above Door

Earth / Ground

Earth / Ground

Earth / Ground

E83
none
none

Earth / Ground

Clean Earth / Ground

Clean Earth / Ground

Clean Earth / Ground

E84
none
none

Clean Earth / Ground

Earth Electrode in Pit

Earth Electrode in Pit

Earth Electrode in Pit

E85
none
none

Earth Electrode in Pit

Earth Electrode

Earth Electrode

Earth Electrode

E86
none
none

Earth Electrode

Clean Earth Electrode

Clean Earth Electrode

Clean Earth Electrode

E87
none
none

Clean Earth Electrode

Pile Earthing

Pile Earthing

Pile Earthing

E88
none
none

Pile Earthing

Frame / Chassis

Frame / Chassis

Frame / Chassis

E89
none
none

Frame / Chassis

Equipotential

Equipotential

Equipotential

E90
none
none

Equipotential

Bus Duct

Bus Duct

Bus Duct

B1
Bus Duct
Miscellaneous

Bus Duct

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