ABB CA4-22E Auxiliary Contact Block is a front-mounted accessory for ABB CA-series contactors that carries two Form C auxiliary contacts, delivering two normally open and two normally closed circuits in a compact module. This instantaneous front-mounted block enhances signaling and interlock feedback in control circuits without requiring separate sensing devices. The part is cataloged as 1SBN010140R1022 and is sold by ABB and authorized distributors, including Mouser and Platt Electric.
