Popular Eaton / Westinghouse LC3300F – 300A 3 Pole Molded Case Circuit Breaker

Built for demanding commercial environments, this 300A electronic trip breaker delivers highly accurate overcurrent protection. The Seltronic solid-state mechanism includes adjustable long-time and short-time parameters to ensure proper fault isolation. It serves as a reliable drop-in solution for older Westinghouse switchboards without requiring adapter kits. Delivering a 30kAIC rating at 480VAC, it handles significant fault currents safely. The LD3300 is the modern substitute.