Must Have Eaton / Cutler-Hammer L3400 – 400A 3 Pole Molded Case Circuit Breaker

Operating as a critical safety device, the Eaton L3400 is a 3-pole, 400A legacy circuit breaker. It safeguards heavy industrial loads against damaging short circuits. This breaker mounts securely into vintage Cutler-Hammer and Westinghouse panelboards. Professionals should note this PB Frame unit is replaced by the newer LD3400 model. The device utilizes a reliable thermal-magnetic trip mechanism with adjustable magnetic capabilities. It provides a 35 kAIC interrupting capacity at 480VAC.