Marathon/Kulka is a provider of custom power blocks, terminal blocks, fuse holders, and other specialized electrical components. Their core value is to provide quality solutions tailored to customer needs, leveraging engineering and manufacturing capabilities like 3D modeling, finite element analysis, and rapid prototyping. They maintain a UL-approved test lab to ensure performance verification and offer a wide range of configurations, ratings, and designs to suit diverse applications. Contact them for custom requests and product information.