Enhance your control circuits with the ABB CA4-22E Auxiliary Contact Block. Designed for front mounting, this 4-pole block provides reliable operation in standard industrial environments. It features 2 Normally Open (NO) and 2 Normally Closed (NC) instantaneous contacts, ensuring precise control for your AF contactors..The ABB CA4-22E is a 4-pole front-mounted auxiliary contact block with screw terminals. It offers 2 NO and 2 NC instantaneous contacts, suitable for auxiliary and control circuits. The block is compatible with AF contactors and has a rated operational voltage of up to 690V in the auxiliary circuit. It supports a maximum mechanical switching frequency of 3600 cycles per hour and an electrical switching frequency of 1200 cycles per hour for AC-15 and 900 cycles per hour for DC-13.