The Schneider Electric Harmony 9001KA2 Contact Block is a high-performance solution for industrial machine control, designed to fit standard 30mm panel cutouts and work seamlessly with Harmony 9001K push buttons and switches. Featuring one normally open (1NO) contact, this self-grounding unit installs quickly using classic screw-clamp terminals and a single-screw fastening system. With its pre-loosened terminal screws, installation is faster and easier, making it ideal for retrofits or new builds. Built to perform across a wide range of industrial settings, including automotive, food and beverage, metallurgy, material handling, wastewater treatment, and more. It meets IP66, NEMA 4/4X, IEC, UL, CSA, EN, and NOM standards. Backed by an 18-month warranty and rated for temperatures from -40°C to 70°C, this contact block offers trusted durability, global compliance, and broad application for control systems demanding consistent, long-term reliability.