KJT Heavy Duty Limit Switches are mechanical control switches in the form of conveyor belt anti-runout, crane overcoil protection, and pull rope switches. Utilizing its high reliability, it is widely used in steel equipment, large-scale conveying machinery, loading and unloading machinery and cement equipment. Resistant to harsh environments. Glass-sealed contacts are filled with inert gas and are not affected by the environment. Resistant to vibration and shock, it has a wide range of applications.