This Zelio RSL plug-in socket with LED indicator has a rated voltage of 230V AC/DC. It has a large choice of number of contacts for high rated current use with space-saving design which allows for a flexible and easy installation on DIN rail. 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. Workablity for hard-wired logic automated systems to complement the functions of industrial progammable logic controllers (PLCs).