The Eaton Cutler-Hammer C320FB Series 3-Pole Molded-Case Circuit Breaker (Series A1) is a three-pole protective device designed to interrupt overcurrent conditions in electrical distribution panels. As part of the C320FB family, it provides reliable protection for circuits that require three poles and is intended for use in compatible Eaton panel systems. The C320FB designation and A1 revision identify the specific model within Eaton's molded-case breaker lineup.
