The ABB CA4-22MRT auxiliary contact block is designed for seamless integration into standard industrial environments, providing reliable operation of auxiliary and control circuits. This 4-pole front-mounted block features 2 normally open (N.O.) and 2 normally closed (N.C.) instantaneous contacts, ensuring versatile functionality. Equipped with screw terminals, it allows for secure connections using ring tongue ferrules, and includes non-detachable screws with conic washers for fast and secure cable tightening. The CA4-22MRT is compatible with 3-pole AF(C)09..16(Z)(B)-30-10RT contactors, offering a terminal assortment that matches the marking requirements. Ideal for front mounting, this auxiliary contact block is a robust solution for enhancing the performance and reliability of your industrial control systems.