WL-D3 Limit Switch in Pakistan BR5123 Description In electrical engineering a limit switch is a switch operated by the motion of a machine part or presence of an object. They are used for controlling machinery as part of a control system, as a safety interlocks, or to count objects passing a point. Features: Double-circuit type of limit switch is widely used With strong aluminum cast outer shell High mechanical strength Structure preventing oil, water, and pressure Indicating plate with setting position is installed in it, so it is easy to maintain. Various actuators is taken convenient for using The built-in contact stand has a double-spring, so it has a long mechanical life