An ON-OFF SPDT rocker switch is a type of electrical switch that is used to control the flow of electrical current in a circuit. It consists of a switch body, a rocker arm, and two electrical contacts. The rocker arm is mounted on a pivot point and can be moved back and forth between two positions, one of which is labeled "ON" and the other of which is labeled "OFF". When the rocker arm is in the "ON" position, the electrical contacts are closed and current can flow through the circuit. When the rocker arm is in the "OFF" position, the electrical contacts are open and the circuit is interrupted. The ON-OFF SPDT rocker switch has a diameter of 16mm and is rated for a maximum voltage of 250V and a maximum current of 3A. It is often used in a variety of applications where it is necessary to control the flow of electrical current, such as in lighting, appliances, and other electrical devices.

This is a general purpose ON-OFF switch that can handle up to 3A of current.