Parameter Specification Manufacturer / Series Eaton, HMC Series Model Number HMCP400X5 Product Type Molded Case Circuit Breaker - Motor Circuit Protector (MCP) Pole Configuration 3-Pole (Standard for three-phase motor protection) Frame Size 400A Frame Rated Current 400 Amps (Frame Rating) Voltage Rating 600V AC Interrupting Rating 100 kA at 480V AC (Typical for this series - verify from datasheet) Trip Unit Type Instantaneous Magnetic Trip Only (MCP function) Trip Setting Factory-adjusted magnetic trip setting - "X5" defines the specific setting range Mounting Bolt-On (Lug Connection) Standards Compliance UL 489, CSA C22.2, IEC 60947-2