The Cutler-Hammer FS340100A 3-pole circuit breaker is a 100A device rated for up to 480V, designed to protect 3‑phase electrical circuits. It interrupts current on overloads and short circuits to safeguard wiring and equipment in distribution panels. This FS340100A model is used where reliable 3‑phase protection at a 480V rating is required in industrial or commercial power systems.
