New Release Eaton / Cutler-Hammer KD3300 – 300A 3 Pole Molded Case Circuit Breaker

Built for commercial power distribution, the Eaton KD3300 is a 300A, three-pole molded case circuit breaker. It operates within the proven Series C K-Frame architecture to safeguard electrical infrastructure. This unit mounts into Pow-R-Line 3a and 4 panelboards, motor control centers, and switchboards. It includes TA350K lugs that accommodate 250-500 kcmil conductors. With a 35 kAIC rating at 480VAC, it utilizes an interchangeable trip unit with fixed thermal and adjustable magnetic settings.