“This Harmony RXG plug-in relay socket has a coil control voltage of 220V AC and has 1 changeover contact SPDT (single pole double throw) with a rating of 10A.””It has large choice of number of contacts for high rated current use with space-saving design.””The faston pin terminal mounts quickly and securely.””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).”