GE AKR8D-100 4000A 635V Air Circuit Breaker, Electrically operated (EO) or manually operated mechanism (MO), Line and load terminal connectors, LSIG trip unit (Long-time, Short-time, Instantaneous, Ground fault), Racking/drawout mechanism (if applicable), Control wiring harness, Mounting hardware, Test or calibration certificate (if applicable), User manual and installation instructions, Safety and compliance documentation, Manufacturer warranty card, Original GE packaging