This Harmony 9001K selector switch with black key and E-cam has 2 positions and works with a holding mechanism. The key can be removed in the left and right positions. It fits into a 30mm hole. This key operated selector switch provides a versatile interface for controlling your machines. It is easy to fit into a standard panel cut-out with a diameter of 30 mm and provides authorized personnel with a safe way to switch between process and machine modes. It is shock-resistant, dust-proof, waterproof and vibration-resistant with its IP66 protection class and thus Ideal for use in harsh environments.This text is machine translated.