The Eaton S56LSIG is a programmable trip unit designed for use with various air circuit breakers, including DS, DSL, DSII, DSLII, and SPB models. This solid-state device offers digitized RMS measurement and supports adjustable current settings ranging from 400 to 5000 amps, allowing for precise protection and control. Compatible with a range of applications, the S56LSIG enables reliable fault detection and system safety. You can find this trip unit available through BSP Automation, providing a dependable option for circuit breaker management.