Square D Masterpact NW20H1 EO DO 2000A 600VAC Circuit Breaker, Micrologic trip unit (e.g., 5.0, 6.0, or 7.0), 3-pole configuration, Electrically operated (EO), Drawout mechanism (DO), Line and load terminal connectors, Racking mechanism, Control wiring and terminal blocks, Mounting hardware, Calibration or test certificate (if applicable), User manual and installation guide, Safety and compliance documentation, Manufacturer warranty card, Original Square D packaging