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More than 1400 electronic and electrical symbols of past and present

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Electrical switch symbols

Multifilar representation of, switches, pushbuttons actuators and other devices and setting up, carrying and breaking electrical current in low power circuits.

Symbology / Switch symbols, electrical contacts and actuators
Symbol Description   Symbol Description

Symbols switches two and three positions

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Switch symbol Switch
Contact closure or work
generic symbol
  Switch symbol Switch
Contact closure or work
Switch opening or resting symbol Switch opening or resting   Inverter switch before closing symbol Inverter switch before closing
Reversing switch with intermediate cutting position symbol Reversing switch with intermediate cutting position   Reversing switch before opening symbol Reversing switch before opening
Double locking switch symbol Double locking switch   Símbolo de conmutador antes de contacto de apertura Reversing switch before opening
Contact double opening symbol Contact double opening   Circuit switch symbol Circuit switch
Contact cutting before making contact

Symbols disconnectors / switches unipolar

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Disconnectors, contact manua symbol Disconnectors, contact manual
generic symbol
  Disconnectors / open pushbutton symbol Disconnectors / open pushbutton
With automatic return after closure
Contact rotating open symbol Contact rotating open
No automatic return after closure
  Contact / close pushbutton symbol Contact / close pushbutton
With automatic return after opening
Contact rotating closed symbol Contact rotating closed
No automatic return after opening
  Contact / Floor Squeegee switch symbol Contact / Floor Squeegee switch
Lockable and automatic return
Pushbutton with mushroom head symbol Pushbutton with mushroom head
Contact with positive opening operation and position held
  Contact / open pushbutton symbol Contact / open pushbutton
Positive contact operation

Symbols of position switches

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Contact position symbol, closure Contact position
Contact closure
  Contact position symbol, opening Contact position
Contact opening
Dual position switch mechanically symbol Dual position switch mechanically operated in both directions   Symbols of the position switch with positive opening operation of NC contact position switch with positive opening operation of NC contact

Symbols of contacts with automatic return
and position maintained

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shutdown switch with automatic return symbol shutdown switch with automatic return   Opening switch with automatic return symbol Opening switch with automatic return
Closing switches with maintained position symbol Closing switches with maintained position   reversing switch symbol reversing switch with intermediate position, with automatic return to a position without automatic return to the opueta

Operation switch symbols with advanced or delayed

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Delayed closing switch symbol Delayed closing switch   Forward switch opening symbol Forward switch opening
Shutdown switch advance symbol Shutdown switch advance   Delayed opening switch symbol Delayed opening switch

Symbols switches of step in two-position

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Step with momentary switch symbol Step with momentary switch closure when its control device is activated   Step with momentary switch Step with momentary switch closure Control When Your device is turned off
Symbol of the step switch with momentary closure when toggles its control device Step switch with momentary closure when toggles its control device      

Symbols, switches, push buttons with single-line - unifilar representation

Symbols of power switching devices

Symbols switches for effects or dependencies

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