The ABB OA1G01AU is a high-quality auxiliary contact block featuring a single normally closed (NC) contact with gold plating for enhanced conductivity and reliability. This compact and durable component is designed for seamless integration into various electrical systems, ensuring efficient and safe operations. With a net and gross weight of just .635 ounces, it is lightweight yet robust, making it suitable for both industrial and commercial applications. Ideal for those in need of a reliable auxiliary contact that promises longevity and optimal performance.