The D-ST2;5-3L is a multi-level terminal block featuring six connections and three potential levels. It is designed for electrical installations with a nominal voltage of 500 V and a current capacity of 20 A. The terminal block utilizes spring-cage connection technology for secure wiring. It includes end covers that close open terminal sides, with precise dimensions—approximately 99.5 mm in length, 2.2 mm in width, and 50.3 to 73 mm in depth—and is gray in color. The device allows labeling on each level and is constructed from insulating material suitable for various electrical applications.

Phoenix Contact specialises in industrial automation and electrical connectivity solutions, offering products such as terminal blocks, PLCs, I/O systems, and industrial networking components. Known for innovation and quality, their technologies enhance efficiency and connectivity in industries like manufacturing, energy, and infrastructure.