This Harmony RSL slim interfacing plug-in relay has a coil control voltage of 24V DC and has 1 changeover contact SPDT (single pole double throw) with a rating of 6A. It has large choice of number of contacts for high rated current use. It also offers LED indicator and protection circuit. It helps to reduce the size of enclosures and increase machine reliability, you can mount nearly everywhere. One of the slimiest interface relay on the market, with 6mm width, it can be installed nearly anywhere. It is compatible with high breaking capacity or low-level current application requirements. Workability for hard-wired logic automated systems to complement the functions of industrial programmable logic controllers. (PLCs). Status display with LED, clearly signal both in the day and night.