A double throw switch includes a contact, which can be connected to two other contacts. A functional block diagram is shown in figure 1. Pictured above are two single pole double throw (spdt) switch diagrams.
The following switch diagrams illustrate the most common types of toggle and rocker switches.
12+ Spdt Switch Diagram. Spst (single pole single throw). All spdt switches have their common terminal in the middle and they all function as shown in the above diagram. Diagram of a spdt switch. In addition, this switch is able to handle high power signals.
