3P Series K-Frame Molded Case Circuit Breaker Technical Specifications

This document provides technical specifications, part numbers, pricing, and accessory selection for Eaton's 3P Series K-Frame molded case circuit breakers rated 250 to 400 amps. It includes interrupting ratings, wire range specifications, time/current curves, and details on field-installable accessories such as shunt trips, undervoltage releases, and auxiliary contacts.