The Switch Pole of SPST, SPDT, DPST, DPDT, 3PDT

July 27, 2021

Toggle Switch Pole of SPST, SPDT, DPST, DPDT, 3PDT

The names of SPST, SPDT, DPST, DPDT, 3PDT are meaning that how many circuits can be controlled.

The terms of pole and throw are also used to describe switch contact variations. The number of "poles" is the number of electrically separate switches which are controlled by a single physical actuator.

For example:

“SPST" switch is Single pole, single throw, a simple on-off switch: The two terminals are either connected together or disconnected from each other.

“SPDT” switch is Single pole, double throw, a simple break-before-make Changeover Switch: C (COM, Common) is connected to L1 (NC, Normally Closed) or to L2 (NO, Normally Open).

“DPST” is double pole, single throw, equivalent to two SPST switches controlled by a circuit.

“DPDT” is double pole, double throw, equivalent to two SPDT switches controlled by two circuits.

“3PDT” is 3 poles, double throw, equivalent to 3 SP and DT switches controlled by two circuits.

Toggle Switch Circuit

The above is the The Switch Pole of SPST, SPDT, DPST, DPDT, 3PDT we have listed for you. You can submit the following form to obtain more industry information we provide for you.

You can visit our website or contact us, and we will provide the latest consultation and solutions

Share to:

Send Inquiry

Previou:YESWITCH SWITCHES ARE APPLICABLE TO REMOTE CONTROLLER FOR MODEL AIRPLANE

Next: IP Rating Waterproof Switch

Most Popular