"VAISHNO CFG" Make Limit Switch is an electromechanical device that consists of an actuator mechanically linked to sets of contacts. They are used to control a machine, as safety interlocks, to count object passing a point. Our Limit Switches with Oil tight & non- Oil tight in cast aluminum housing with contact element. Push Rod Normal Lever, angular lever are used to operate. Open execution contact element with normal, snap action & protective cover in Bakelite housing and nylon GR housing.