The following table provides the IEC and
BS Electrical Symbols for contacts. We have included the
Normally Open and Normally Closed status for each contact |
 |
Normally open Contact
(N/O)
|
 |
Normally Closed Contact
(N/C)
|
 |
Change Over or 2 way Contact
Made position
|
|
Fused Switch Open Contact
(N/O)
|
 |
Limit Switch
(N/O)
|
 |
Limit Switch
(N/C)
|
 |
Flow Switch
(N/O)
|
 |
Flow Switch
(N/C)
|
 |
Time Delay
(N/O)
Delay on Closing
|
 |
Time Delay
(N/O)
Delay on re-opening
|
 |
Thermal Switch - Overload
(N/O)
|
 |
Thermal Switch - Overload
(N/C)
|
 |
Temperature Switch
(N/O)
|
 |
Temperature Switch
(N/C)
|
 |
Pressure Switch
(N/O)
|
 |
Pressure Switch
(N/C)
|