The Eaton 2B00050000000 is a series C MCCB breaker, designed for use in applications with an operating voltage of up to 600 V and a rated current up to 400A. This series of breaker is designed to protect against overloads and short circuits, and is designed with a manual current adjustment dial to allow for easy adjustment to the desired trip current setting. The breaker also has a thermodynamically balanced trip blade for superior performance and reliability.