The ABB KT5AS-B is a high-quality auxiliary contact designed for use with T4, T5, and T6 type devices, supporting a voltage of up to 400 VAC. This auxiliary contact features a single quadrant (1Q) and one system (1Sy) configuration, ensuring reliable and efficient operation. With a compact and durable design, the KT5AS-B is ideal for various industrial applications. It weighs approximately 1 lb, making it lightweight yet robust for both installation and maintenance. The product is part of ABB's renowned electrical components line, known for its precision and durability.