In 1928, Phoenix Contact invented the world's first modular terminal block, which was the prototype of modern terminals and the first invention patent that Phoenix Contact applied for and obtained. Since then, Phoenix Contact has been passionate about innovation and committed to the development of various connection technologies, forming a complete electrical interface technology system, many of which have become industry application standards. As of 2012, CLIPLINE's product categories have exceeded 3,000 types, which are widely used in electrical connection situations of various industrial control cabinets and electrical cabinets.