Square D DSL416 1600A LSIG EO Air Circuit Breaker, Electrically operated (EO) mechanism, Line and load terminals, LSIG trip unit (Long-Time, Short-Time, Instantaneous, Ground Fault), Racking mechanism (if drawout), Control wiring harness, Mounting hardware, User manual and installation guide, Test and calibration certificate (if applicable), Safety and compliance documentation, Manufacturer warranty card, Original Square D packaging