This Zelio RUM universal plug-in relay uses cylindrical pins, has a control coil voltage of 24V AC 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 and Power On LED for readiness. 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. Workablity for hard-wired logic automated systems to complement the functions of industrial progammable logic controllers (PLCs). Status display with LED: clearly signal both in the day and night.