IEC Symbols

Symbols

Common IEC symbols are illustrated and defined in the table below:

L

~

+

 

 

 

_

 

 

 

 

 

 

_

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

_

_

 

 

+

 

 

 

 

 

 

 

 

Fuse

Load

AC power

DC power

Digital sensor/input, for example, contact, switch, initiator, light barrier, and so on.

Earth ground

2-wire sensor

Thermocouple element

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Schneider Electric IP67 manual Symbols