The Cutler-Hammer KD3400KW is a 400 Amp, 600 Volt, 3-pole industrial circuit breaker designed to provide overcurrent protection for electrical distribution in heavy-duty applications. It is part of the Cutler-Hammer line and is used to protect feeders and motor circuits within industrial power systems. The 3-pole configuration ensures simultaneous interruption of all three phases, helping prevent unbalanced faults and equipment damage in three-phase installations. With a 400 Amp rating, 600 Volt rating, and a three-pole design, this KD3400KW model delivers robust multi-pole protection for demanding industrial environments.
