Description Single pole,single throw A simple on-off switch: The two terminals are either connected together or disconnected from each other.

Description Single pole,single throw A simple on-off switch: The two terminals are either connected together or disconnected from each other.

Description Double pole,single throw Equivalent to two SPST switches controlled by a single mechanism

Description Single pole,double throw A simple changeover switch: C (COM,Common) is connected to L1 or to L2. Size