Centrifugal switch is widely used in various kinds of motors, the 2 pole motor operates at 3000 RPM, usually the model number is shown in "2", the 4 pole motor runs at 1500 RPM, and usually the model number end is shown in "2". 4. Features: 100% Brand New and High Quality. Made from premium materials to ensure superior performance. Widely used in motors for a variety of applications. Convenient to replace broken switches. The number followed by the centrifugal switch model "L" represents the larger round hole and motor axis. Specifications: Model: L19-302Y Type: Centrifugal Switch Weight: 4.3oz Package List: 1 x Centrifugal Switch