“This Harmony RUM universal plug-in relay uses cylindrical pins, has a control coil voltage of 110V DC and has 3 changeover contacts triple pole double throw with a rating of 10A.””It provides a complete system solution for the most demanding applications.””It also offers one-step lockable test button.””It helps to reduce the size of enclosures and increase machine reliability, you can mount nearly everywhere.””The product is IP40 and has a transparent cover allowing operator to visually inspect the status of contacts.””Workability for hard-wired logic automated systems to complement the functions of industrial programmable logic controllers (PLCs).”