The ABB CA4-22NRT auxiliary contact block is a versatile and reliable component designed for the operation of auxiliary and control circuits in standard industrial environments. This 4-pole front-mounted block features 2 normally open (N.O.) and 2 normally closed (N.C.) instantaneous contacts, providing flexibility and efficiency in circuit management. The CA4-22NRT is equipped with screw terminals that accommodate ring tongue ferrules, ensuring a secure and fast connection. The non-detachable screws with conic washers enhance cable tightening, offering a robust and dependable solution for your industrial needs. Ideal for use with NF(Z)B..RT contactor relays, this auxiliary contact block is engineered to meet standard requirements, making it a perfect choice for various applications.