Eaton / Westinghouse LD3400 – 400A 3 Pole Molded Case Circuit Breaker Top Rated

Designed for heavy-duty industrial environments, this 400A Series C unit-mount breaker provides reliable long-time and instantaneous protection. It serves as an exact cross-reference for older LA3400 models, fitting perfectly into Pow-R-Line 4 panelboards and motor control centers without modifications. The HACR-rated and reverse-feed capable design ensures versatile application across commercial switchboards while maintaining a 65kAIC rating at 240VAC.