"This Harmony RXZ plug-in relay socket has a coil control voltage of 250V AC and has 4 changeover contacts 4PDT (quadruple 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."::"It helps to reduce the size of enclosures and increases machine reliability, you can mount nearly everywhere."::"It is compatible with plug in control relay."::"Easy installation and connect to the relay from its socket."::"Workability for hard-wired logic automated systems to complement the functions of industrial programmable logic controllers (PLCs)."