Double Pole Single Throw Switch Schematic. A spdt toggle switch has 3 terminals. Double throw closes a circuit in the up or down position on on.
Single Pole Single Throw On Off Switch Single Pole Double Throw 3 Way Switch Double Pole Single Throw 2 On Off Switches Do Building Systems Switches from www.pinterest.com
The dpst switch often appears in circuit breakers where it is used for 240 volt circuits with each pole carrying 120 volts separately. Sp switches control only one electrical circuit. It is mostly used to regulate 240v appliances.
Look at the figure 1 2 the centre dotted line indicates that the dpdt switch is actually two spdt switches in one package.
With a single push both circuits will turn on or off. In other words it s like two simple switches controlled by a single actuator. A double throw. Double throw closes a circuit in the up or down position on on.
