This Zelio 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. Workablity for hard-wired logic automated systems to complement the functions of industrial progammable logic controllers (PLCs).