DPST switch symbol
Also called Double pole single throw, Two-pole switch, Double pole switch
Two switches operated together, so both poles of a circuit open and close at once. The dashed line links the blades.
ANSI / IEEE
IEC 60617What the DPST switch symbol means
Two switches operated together, so both poles of a circuit open and close at once. The dashed line links the blades.
ANSI and IEC symbols
Where you see it
Isolating both line and neutral, or both poles of a DC supply.
Related symbols
Frequently asked questions
What does the DPST switch symbol look like?
On ANSI drawings: Two open blades linked by a dashed line. In IEC 60617: The same linked blades.
Is the DPST switch symbol the same in IEC and ANSI?
Yes, it is drawn the same way in most legends.
Where is a DPST switch used?
Isolating both line and neutral, or both poles of a DC supply.
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