AUX-C 2Q+2SY+1S51 250Vac/dc XT2-XT4 F/P - 1SDA066438R1

The AUX-C 2Q+2SY+1S51 auxiliary contact by ABB (part number 1SDA066438R1) is designed for use with XT2-XT4 series circuit breakers in both fixed (F) and removable (P) configurations. This wired auxiliary contact provides a combination of normally open (2Q) and normally closed (2SY) contacts, along with an additional signaling contact (1S51). It is rated for operation at a maximum voltage of 250Vac/dc, making it suitable for a wide range of control and signaling applications. The auxiliary contact allows for remote indication of the circuit breaker's status, such as tripped, open, or closed. It facilitates integration with control systems, PLCs, and other monitoring devices. The wired connection simplifies installation and ensures reliable signal transmission. This auxiliary contact enhances the functionality and monitoring capabilities of XT2-XT4 circuit breakers. It provides essential feedback for efficient power distribution and control. Its robust design ensures reliable performance in demanding industrial environments.