1SCA022353R4970

ABB OA1G10 – Part No. 1SCA022353R4970 is a single normally-open (1 NO) auxiliary contact block designed for status indication, interlocking, remote feedback, signaling and control-circuit applications with compatible ABB switch-disconnectors and transfer switches. The auxiliary contact mechanically follows the operating position of the main switch and can be used to provide switch-position feedback to a PLC, relay logic, indication lamp, annunciation system or other control circuit. ABB lists this accessory across a broad range of OT and OTM switch families, including ratings from small-frame OT16 devices through large-frame transfer-switch applications.