“This Harmony RXM miniature plug-in relay has a control coil voltage of 110V DC and has 4 changeover contacts quadruple pole double throw with a rating of 3A.””It has a large choice of number of contacts for high rated current use with space-saving design.””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).”