Eaton FDB4080E 4-Pole Molded-Case Circuit Breaker

The Eaton FDB4080E 4-pole molded-case circuit breaker provides reliable overload and short-circuit protection in a compact four-pole package. This Cutler-Hammer device, part of Eaton’s FDB family, is designed for multi‑phase electrical distributions where four poles govern three hot lines plus neutral. With an 80-amp rating, it interrupts current to safeguard personnel and equipment in panel installations and other enclosures that require four-pole protection for 3‑phase systems. Built as a molded-case breaker, the FDB4080E emphasizes solid construction and straightforward replacement in compatible Eaton/Cutler-Hammer systems. The exact part number FDB4080E identifies this unit for ordering and maintenance records, helping ensure you select the correct four-pole 80A breaker for your distribution panel. In practice, it serves as a protective device for feeders or distribution circuits within commercial or industrial electrical installations, where reliable interruption of fault currents and consistent performance are essential.