A power switch is a device used to turn electrical power ON or OFF for a circuit or device. It controls the flow of electricity by opening (OFF) or closing (ON) the electrical connection.
Common Power Switch Features
Voltage & current rating (e.g., 250V, 10A)
Number of poles & throws:
SPST (Single Pole Single Throw): Simple ON/OFF
SPDT (Single Pole Double Throw): ON/OFF/alternate circuit
DPST, DPDT: Double pole versions for higher loads or multiple circuits