Eaton / Westinghouse LB3150 – 150A 3 Pole Molded Case Circuit Breaker Top Pick

Manufactured by Eaton, the LB3150 150A, 3-pole molded case circuit breaker delivers robust power distribution for commercial and industrial facilities. This legacy component serves as an exact drop-in replacement for older Westinghouse panelboards and motor control centers. While the newer FD3150 is a substitute, using this exact L-frame avoids adapter kits. Rated for 30 kAIC at 480VAC, it features an interchangeable trip unit to provide reliable long-time and instantaneous protection.