IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Connection, General Symbol Alternative: Levels are in place

Conductor; Cable; Line; Transmission Path; indicating the type of

Telecommunication Line. conductor:

Power_Cable,

3 Phases / 3

Group of Connections Connections

(Number of Connections Indicated)(form 1)

3 Phases / 3

Group of Connections Connections

(Number of Connections Indicated)

(form 2)

Additional Information

3-Phase Circuit may be indicated

Used as trailing

Flexible Connection cable symbology

Screened Conductor

Two connections

Twisted Connection shown

Five conductors, two

Conductors in a Cable

of which marked by

arrowheads are in

one cable.

Coaxial Pair

Coaxial Pair Connected to Terminals

Coaxial Pair with screen

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Terminal

Terminal Strip

T-Connection

(form 1)

Shown with junction

T-Connection

symbol.

(form 2)

Double junction of conductors

(form 1)

Double junction of conductors

(form 2)

Brancing

Neutral Point

Neutral point of a generator

(single-line representation)

Neutral point of a generator

(multi-line representation)

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Contact, female(of a socket or plug)

Socket

Contact, male (of a socket or plug)

Plug

Plug and socket

Plug and socket, multipole

(multi-line representation)

Plug and socket, multipole

(multi-line representation)

Connecting link, closed

Test terminal, twin stud type (form 1)

Connecting link, closed

(form2)

Connecting link, open

Plug and socket-type connector, male-male

U-link

Plug and socket-type connector, male-female

U-link

Plug and socket-type connector,

male-male with socket access

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Cable sealing end (multi-core cable)

Cable sealing end (one-core cable)

Straight-through joint box

(multi-line representation)

Straight-through joint box

(single-line representation)

Junction box (multi-line representation)

Junction box (single-line representation)

Pressure-tight bulkhead cable gland

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Triode thyristor, type unspecified

Object

Equipment: Device, Funtional unit,

Component, Function (form 1)

Object

Equipment: Device, Funtional unit,

Component, Function (form 2)

Object

Equipment: Device, Funtional unit,

Component, Function (form 3)

Envelope

(form 2)

Boundary

Shield

Protection against unintentional direct contact,

general symbol

Replacing S00067

Alternating Current

(form 1)

Shown for alternating

Alternating current (indication of frequency) current of 50 Hz.

Alternating Current

(Indicationn of frequency range: low)

Different frequency ranges. Relatively low

frequencies (power frequencies or sub-audio

frequencies)

Alternating Current

(indication of frequency range: medium)

Different frequency ranges.

Medium frequencies (audio)

Alternating Current

(indication of frequency range: high)

Different frequency ranges.Relatively high

frequencies (super audio, carrier)

Rectifier current with alternating component

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Positive polarity

Negative polarity

Neutral

Mid-wire

Adjustibility, general symbol

Adjustibility, non-linear

Variability,general symbol

Variability,non-linear

Adjustability, pre-set

Pre-set adjustibility

Action in steps

5 steps shown.

Adjustibility step by step

Continious variability

Continious variability pre-set

Pre-set adjustment, continuously variable

Automatic control

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Amplifier with automatic gain control

Rectilinear motion (unidirectional)

Force; Unidirectional, in the direction of the

arrowhead

Rectilinear motion (bidirectional)

Force

Oscillating motion

Thermal effect

Electromagnetic effect

Magnetostrictive effect

Radiation, electromagnetic, non-ionizing

Light

Step function, positive going

Step function, negative going

Saw-tooth wave

Facsimile

Link

Mechanical link, pneumatic link, hydraulic link,

optical link, functional link, radio link

Mechanical link (force or motion)

Link, mechanical ; Mechanical link with

indication of direction of force or motion

Mechanical link (rotation)

Link, mechanical; Mechanical link with

indication of direction of rotation.

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Delayed action

Action, delayed

(form 1)

Delayed action

Action, delayed

(form 2)

Automatic return

Detent

Non-automatic return; Return, non-automatic;

Device for maintaining a given position

Detent, disengaged

Detent, engaged

Mechanical interlock

Interlock, mechanical; Mechanical interlock

between two devices

Brake

Brake, applied

Electric motor with brake applied.

Brake, released

Electric motor with brake released

Gearing

Actuator, manual, general symbol

Actuator, manual (Protected)

Manual actuator protected against unintentional

operation

Actuator (operated by pulling)

Actuator (opetated by pushing)

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Actuator (operated by proximity effect)

Actuator (operated by touching)

Actuator, emergency

Emergency actuator, type "mushroom-head"

Actuator (operated by handwheel)

Actuator (operated by pedal)

Actuator (operated by lever)

Actuator (operated by removable handle)

Actuator (operated by key)

Actuator (operated by crank)

Actuator (operated by roller)

Actuator (operated by cam)

Actuator (operated by cam/cam profile)

Actruator (operated by cam/profile plate)

Actuator (operated by cam and roller)

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Actuator

(operated by stored mechanical energy)

Actuator

(actuated by pneumatic or hydraulic

power/single action)

Single acting actuator

Actuator

(actuated by pneumatic or hydraulic

power/double action)

Double acting actuator

Actuator (actuated by electromagnetic effect)

Actuator (operated by electric motor)

Actuator (operated by electric clock)

Actuator (semiconductor)

Semiconductor actuator

Actuator (actuated by liquid level)

Actuator (actuated by a counter)

Actuator (actuated by fluid flow)

Actuator (actuaded by gas flow)

Actuator (actuated by relative humidity)

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Earth, general symbol

Earthing, general symbol; Ground (US), general

symbol; Grounding (US), general symbol

Functional equipotential bonding

Functional bonding conductor; Functional

bonding terminal

Functional equipotential bonding

Functional bonding conductor; Functional

bonding terminal

Simplified form

Protective equipotential bonding

Protective bonding conductor; Protective

bonding terminal

Fault

Indication of assumed fault location

Flashover

Break-through

Permanent Magnet

Magnet, permanent

Movable contact

Sliding contact

Test point indicator

Converter, general symbol

Power converter; Signal converter;

Measuring transducer; Repeater

Contactor function

Circuit breaker function

Disconnector (isolator) function

Switch-disconnector function

Isolating-switch function

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Make contact, general symbol, switch,

general symbol

Break contact

Change-over break before make contact

Change-over contact with off-position

Change-over make before break contact,

both ways

(form 1)

Change-over make before break contact,

both ways

(form 1)

Make contact delayed closing

Make contact delayed opening

Make contact, delayed opening

Break contact, delayed closing

Make contact, delayed

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Contact assembly

Switch, manually operated, general symbol

Switch, manually operated, push-button,

automatic return

Switch, manually operated, pulling,

automatic return

Switch, maually operated, turning, stay-put

Switch, maually operated with positive

operation, push-button, automatic return

Alarm switch

Switch, emergency stop

Position switch, make contact

Position switch, break contact

Position switch assembly

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Position switch, break contact,

positive operation

Limit switch

Temperature sensitive switch, make contact

Temperature sensitive switch, break contact

Thermal switch, self-operating, break contat

Bimetal break contact

Gas discharge tube with thermal element

Starter for fluorescent lamp

Contactor; Main make contact of a contactor

Contactor with automatic tripping

Contactor, main break contact of a contactor

Circuit Breaker

Disconnector, Isolator

Two-way disconnector, Two-way isolator

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Switch-dosconnector, On-load isolating switch

Switch-disconnector, automatic release,

On-load isolating switch, automatic release

Disconnector, Isolator

Trip-free mechanism

Trip-free mechanism, application

Mechanical switching device, three-pole

Switch with positive opening

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Motor starter, general symbol

Starter operating in steps

Starter-regulator

Direct-on-line starter, reversing

Star-delta starter

Starter with auto-transformer

Starter-regulator with thyristor

Operating device, general symbol;

Relay coil, general symbol

Operating coil of a selector

(form 1)

Relay coil of a slow-releasing relay

Relay coil of a slow-operating relay

Relay coil of a remanent relay

(form 1)

Relay coil of a remanent relay

(form 2)

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Operating device of a thermal relay

Measuring relay, Device related to a

measuring relay

Voltage failure to frame;

Frame potential in case of fault

Earth fault current

Fuse, general symbol

With mechanical

Fuse ; strike fuse

linkage.

Fuse with alarm contact

Fuse with separate alarm

Three-pole switch with striker fuses

Fuse-switch

Fuse-disconnector; Fuse isolator

Fuse switch-disconnector;

On-load isolating fuse switch

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Spark gap

Spark gap, double

Surge diverter; Lightning arrester

Protective gas discharge tube

Protective gas discharge tube, symmetic

Generating station, planned

Generating station, in service or unspecified

Combined electric and heat generated station,

planned

Combined electric and heat generating station,

in service or unspecified

Substation, planned

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Substation, in service or unspecified

Hydroelectric generating station, planned

Hydroelectric generating station,

in service or unspecified

Thermoelectric generating station, planned

coal thermoelectric generating station;

lignite thermoelectric generating station; oil

thermoelectric generating station; gas

thermoelectric generating station

Thermoelectric generating station,

in service or unspecified

thermoelectric generating station coal;

thermoelectric generating station lignite;

thermoelectric generating station oil;

thermoelectric generating station gas

Nuclear energy generating station, planned

Nuclear energy generating station,

in service or unspecified

Geothermic generating station, planned

Geothermic generating station,

in service or unspecified

Solar generating station, planned

Solar generating station,

in service or unspecified

Wind generator station, planned

Wind generator station,

in service or unspecified

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Underground Line

Submarine Line

Overhead Line

Additional info.

Line with a duct; Line within a pipe may be shown

above the line re-

presenting the

duct route.

Additional info.

Line within a six-way-duct may be shown

above the line re-

presenting the

duct route.

Additional info.

Manhole for underground chamber may be shown

above the line re-

presenting the

duct route.

Head end with local antenna

Directional Coupler, General Symbol

Neutral conductor The symbol could be

replaced by letter

symbols in IEC 60445

Protective conductor The symbol could be

replaced by letter

symbols in IEC 60445

Combined protective & neutral conductor The symbol could be

replaced by letter

symbols in IEC 60445

3-phase wiring with neutral conductor & The symbol could be

protective conductor replaced by letter

symbols in IEC 60445

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

If the arrow is pointing

Wiring going upwards to the top border

(edge) of the drawing

sheet, the wiring goes

upward.

If the arrow is pointing

Wiring going downwards towards the bottom

border (edge) of the

drawing sheet, the

wiring goes downward

Wiring passing through vertically

Box, General symbol

Connection box; Junction box

Consumers terminal,

Service entrance equipment

Distribution centre

Socket outlet (power) general symbol

Form 1

Multiple socket outlet (power)

Form 2

Multiple socket outlet (power)

Socket outlet (power) with protective contact

Socket outlet (power) with sliding shutter

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Socket outlet (power) with single-pole switch

Socket outlet (power) with interlocked switch

Socket outlet (power) with isolating transformer

Designations in ac-

Socket outlet (telecommunications), cordance with relevant

general symbol IEC or ISO standards

to show different type

connections &

outlet symbols:

Switch, general symbol

Switch with pilot light

Period limiting switch, single-pole

2 pole switch

Multiposition single pole switch

2 way single pole switch

Equivalent circuit

Intermediate switch diagram

Dimmer

Pull-cord single pole switch

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Push-button

Push-button with indicator lamp

Push-button protected against unintentional Protection can be by

operation means of a break-

glass cover

Time switch

Key-operated switch

Watchman's system device

Lighting outlet position

Lighting outlet on wall

Luminaire, general symbol; Flourescent lamp,

general symbol

Luminaire with many flourescent tubes.

Projector, general symbol

Spot light

Flood light

Emergency lighting luminaire on special circuit

Self-contained emergency lighting luminaire

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Water heater

Time clock, time recorder

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Resistor, general symbol

Resistor, adjustable

Resistor, voltage dependant

Varistor

Resistor with movable contact

Resistor with movable contact and off position

Potentiameter with movable contact

Potentiometer with movable contact and

pre-set adjustment

Resistor with fixed tappings

Resistor with separate current and voltage

Carbon-pile resistor

Heating element

Capacitor, general symbol

Capacitor, polirized

Electrolytic capacitor

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Capacitor, adjustable

Capacitor with pre-set adjustment

Capacitor, differential

Capacitor, split and adjustable

Capasitor, temperature dependent and polirised

Capacitor, voltage dependent and polirised

Semiconductor capacitor

Coil, general symbol; Winding, general symbol

Inductor; Choke

Inductor with magnetic core

Inductor with gap in magnetic core

Inductor, continuously variable

Inductor with fixed tappings

Inductor with maveable contact, variable in steps

Variometer

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Semiconductor diode, general symbol

Light emitting diode (LED), general symbol

Temperature sensing diode

Variable capacitance diode

Varactor

Tunnel diode

Esaki diode

Breakdown diode, unidirectional

Zener diode; Voltage regulator diode

Breakdown diode, bidirectional

Backward diode (unitunnel diode)

Bidirectional diode

Reverse blocking diode thyristor

Reverse conducting diode thyristor

Bidirectional diode thyristor; Diac

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Reverse blocking triode thyristor, N-gate

(anode-side controlled)

Reverse blocking triode thyristor, P-gate

(cathode-side controlled)

Turn-off thyristor, gate not specified

Turn-off triode thyristor, N-gate (anode-side)

Turn-off triode thyristor, P-gate

(cathode-side controlled)

Reverse blocking thyristor, tetrode type

Bidirectional triode thyristor; Triac

Reverse conducting triode thyristor,

gate not specified

Reverse conducting triode thyristor, N-gate

(anode-side controlled)

Reverse conducting triode thyristor, P-gate

(cathode-side controlled)

PNP transistor

NPN transistor with collector connected to the

envelope

NPN avalanche transistor

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Unijunction transistor with P-type base

Unijunction transistor with N-type base

NPN transistor with transverse biased base

PNIP transistor with connection to the intrinsic

region

PNIN transistor with connection to the intrinsic

region

The gate and source

Junction field effect transistor with N-type connections shall be

channel drawn in line.

The gate and source

Junction field effect transistor with P-type connections shall be

channel drawn in line.

Insulated gate field effect transistor IGFET

enhancement type, single gate, P-type channel

without substrate connection

Insulated gate field effect transistor IGFET

enhancement type, single gate, N-type channel

without substrate connection

Insulated gate field effect transistor IGFET

enhancement type, single gate, P-type channel

with substrate connection brought out

Insulated gate field effect transistor IGFET

enhancement type, single gate, N-type channel

with substrate internally connected to source

Insulated gate field effect transistor IGFET,

depletion type, single gate, N-type channel

without substrate connection

Insulated gate field effect transistor IGFET,

depletion type, single gate, P-type channel

without substrate connection

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

In the case of multiple

Insulated gate field effect transistor IGFET, gates, the primary

depletion type, two gates, P-type channel with gate and the source

substrate connection brought out connection shall

be drawn in line.

Insulated-gate bipolar transistor (IGBT)

enhancement type, P channel

Insulated-gate bipolar transistor (IGBT)

enhancement type, N channel

Insulated-gate bipolar transistor (IGBT)

depletion type, P channel

Insulated-gate bipolar transistor (IGBT)

depletion type, N channel

Light dependent resistor (LDR); Photo resistor

Photodiode

Photovoltaic cell

Phototransistor

Hall generator with four connections

Magnetoresistor

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Three-phase winding, delta

Three-phase winding, open delta

Three-phase winding, star

Three-phase winding, star, with neutral

brought out

Brush (on slip-ring or commutator)

Machine, general symbol

Rotary converter; Generator; Synchronous

generator; Motor; Synchronous motor

Linear motor, general symbol

Stepping motor, general symbol

Series motor, DC

Shunt motor, DC

Generator, DC, compound excited (short shunt)

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Rotary converter, DC/DC with common

permanent magnet field

Rotary converter, DC/DC with common

exitation winding

Series motor, single-phase

Repulsion motor, single-phase

Series motor, three-phase

Synchronous generator, three-phase with

permanent magnet

Synchronous motor, single-phase

Synchronous generator, three-phase, star

connected, neutral brought out

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Synchronous generator, three-phase, both ends

of each phase winding brought out

Synchronous rotary converter, three-phase,

shunt-excited

Induction motor, three-phase, squirrel cage

Induction motor, single-phase, squirrel-cage

Induction motor, three-phase, with wound rotor

Induction motor, three-phase, star-connected

Linear induction motor, three-phase

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Transformer with two windings, general symbol

(form 1)

Transformer with two windings, general symbol

(form 2)

Transformer with two windings

(and instantaneous voltage polarity indicators)

(form 2)

Transformer with three windings, general symbol

(form 1)

Transformer with three windings, general symbol

(form 2)

Auto-transformer, general symbol

(form 1)

Auto-transformer, general symbol

(form 2)

Reactor, general symbol

Choke

(form 1)

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Reactor, general symbol

Choke (form 2)

Current transformer, general symbol

(form 1)

Current transformer, general symbol

(form 2)

Transformer with two windings and screen

(form 1)

Transformer with two windings and screen

(form 2)

Transformer with centre tap on one winding

(form 1)

Transformer with centre tap on one winding

(form 2)

Transformer with variable coupling

(form 1)

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Transformer with variable coupling

(form 2)

Three-phase transformer, connection star-delta

(form 1)

Three-phase transformer, connection star-delta

(form 2)

Three-phase transformer with four taps,

connection: star-star

(form 1)

Three-phase transformer with four taps,

connection: star-star

(form 2)

Three-phase bank of single-phase transformers,

connection star-delta

(form 1)

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Three-phase bank of single-phase transformers,

connection star-delta

(form 2)

Three-phase transformer with tap changer

(form 1)

Three-phase transformer with tap changer

(form 2)

Three-phase transformer, connection star-zigzag

with the neutral brought out

(form 1)

Three-phase transformer, connection star-zigzag

with the neutral brought out

(form 2)

Three-phase transformer, connection

star-star-delta

(form 1)

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Three-phase transformer, connection

star-star-delta

(form 2)

Auto-transformer, single-phase

(form 1)

Auto-transformer, single-phase

(form 2)

Auto-transformer, three-phase, connection star

(form 1)

Auto-transformer, three-phase, connection star

(form 2)

Auto-transformer, single-phase with voltage

regulation

(form 1)

Auto-transformer, single-phase with voltage

regulation

(form 2)

Three-phase induction regulator

(form 1)

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Three-phase induction regulator

(form 2)

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Voltage transformer

Measuring transformer

(form 1)

Voltage transformer

Measuring transformer

(form 2)

Current transformer with two cores with one

secondary winding on each core

(form 1)

Current transformer with two cores with one

secondary winding on each core

(form 2)

Current transformer with two secondary

windings on one core

(form 1)

Current transformer with two secondary

windings on one core

(form 2)

Current transformer with one secondary

winding with one tap

(form 1)

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Current transformer with one secondary

winding with one tap

(form 2)

Current transformer with five passages of a

conductor acting as a primary winding

(form 1)

Current transformer with five passages of a

conductor acting as a primary winding

(form 2)

Pulse or current transformer with three threaded

primary conductors

(form 1)

Pulse or current transformer with three threaded

primary conductors

(form 2)

Pulse or current transformer with two secondary

windings on the same core

(form 1)

Pulse or current transformer with two secondary

windings on the same core

(form 2)

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

DC/DC converter

Chopper

Rectifier

Rectifier in full wave (bridge) connection

Inverter

Rectifier/inverter

Primary cell

Static generator, general symbol

Heat source, general symbol

Radio-isotope heat source

Combustion heat source

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Thermoelectric generator, with combustion

heat source

Thermoelectric generator with non ionizing

radiation heat source

Thermoelectric generator with radio-isotope

heat source

Thermionic diode generator with non-ionizing

heat source

Thermionic diode generator with radio-isotope

heat source

Photovoltaic generator

Closed-loop controller

Indicating instrument, genral symbol

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Recording instrument, genral symbol

Intergrading instrument, general symbol

Energy meter

Voltmeter

Recording wattmeter

Watt-hour meter

Watt-hour, measuring energy transmitted in

one direction only

Watt-hour meter, counting the energy flow

from the busbar

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Watt-hour meter, counting the energy

flow towards the busbars

Watt-hour meter, counting in both energy

flow directions

Multi-rate watt-hour meter

Excess watt-hour meter

Watt-hour meter with transmitter

Slave watt-hour mater (repeater)

Slave watt-hour meter (repeater) with

printing device

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Thrmocouple

Thermocouple with non-insulated

heating element

Thermocouple with insulated heating element

Clock, general symbol

secondary clock

Clock with contact

Lamp, general symbol

lamp, general symbol; signal lamp,

general symbol

Signal lamp, flashing type

Indicator, electromechanical; annunciator element

Electromechanical position indicator

Siren

Buzzer

Signalling lamp energized by a

built-in transformer

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

The small circle

Selector wiper, non-bridging representing the

hinge point may be

open or filled in.

The small circle

Selector wiper, bridging representing the

hinge point may be

open or filled in.

Arc or bank of single-motion selector

Arc or bank of two-motion selector

Selector arc with one special position An example of a

special position is

the home position.

The groups of outlets

Selector bank or level or contacts may be

shown in a line

instead of in an arc

The individual outlets

Selector level showing individual outlets or or contacts may be

contacts shown in a line

instead of in an arc

Selector level with bridging wiper

Selector level with non-bridging wiper

Single-motion selector, non-homing

Single-motion selector, homing

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Two-motion selector, homing

Selector, motor driven, homing

Selector for four-wire switching, homing

The selector is set

Single-motion selector, set via marked bank

contact(s),

non homing

The individual outlets

Single-motion homing selector with could also be

individual outlets groups of outlets.

Two-motion selector showing levels

Crossbar selector, general symbol

Crossbar selector, single connecting unit

Crossbar selector, four-wire switching

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Antenna, general symbol

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Battery of primary or secondary cells

Pulse transformer

(form 1)

Pulse transformer

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Direct current

Alternating current

(form 2)

Piezo-electric effect

Spring-operated device

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

For the definition of

Functional earthing; Functional grounding (US) functional earthing,

Functional earthing conductor; Functional see IEV 195-01-13.

earthing terminal

For the definition of

Functional equipotential bonding functional

Functional bonding conductor; equipotential bonding,

Functional bonding terminal see IEV 195-01-16".

For the definition of

Functional equipotential bonding functional

Functional bonding conductor; equipotential bonding,

Functional bonding terminal see IEV 195-01-16".

Capacitor, lead-through

Capacitor, feed-through

Multiple-function switching device

Control and protective switching device (CPS);

Reversing CPS

Directed connection

Point of access to a bundle

Shown with 2 stable

Polarized relay, stable positions positions

Acoustic signalling device, general symbol

Horn; Bell; Single-stroke bell; Whistle

Combined electric and heat generated station,

planned

Combined electric and heat generating station,

in service or unspecified

The symbol is shown

Fan with wiring. The

symbol applies

symbol 2302 of

ISO 14617.

The symbol is shown

Pump with wiring. The

symbol applies

symbol 2301 of

ISO 14617.

IEC 60617 SYMBOLS

IEC SYMBOL

IEC DESCRIPTION

COMMENTS

Phase-shifting transformer, three-phase

(form 1)

Phase-shifting transformer, three-phase

(form 2)

Bushing type voltage transformer

(form 1)

Bushing type voltage transformer

(form 2)

Bushing type current transformer

(form 1)

Bushing type current transformer

(form 2)

Simplicity voltage detector

Individual actuator

Combined disconnector and earthing switch equipment may be

added.