It has large choice of number of contacts for high rated current use. It helps to reduce the size of enclosures and increases 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. Easy installation and withdrawal the relay from its socket. 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). “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. “Status display with LED, clearly signal both in the day and night.”