Cutler-Hammer HKD HKDDC3400A1301S5001Z01 Circuit Breaker

Cutler-Hammer HKD HKDDC3400A1301S5001Z01 is a 3-pole, 400 Amp, 600 V circuit breaker designed to interrupt and protect three-phase electrical circuits in commercial and industrial environments. The part number HKDDC3400A1301S5001Z01 uniquely identifies this unit within the Cutler-Hammer HKD/HKDDC family, signaling its intended use in panels and feeders that operate at up to 600 volts and require dependable overcurrent protection. With its 3-pole configuration, the breaker provides protection across all three phases, helping to isolate faults, prevent damage to conductors and equipment, and maintain safe operation of three-phase power systems. Designed for installation in standard electrical enclosures, this device serves industrial and commercial power distribution by offering reliable circuit interruption when overloads or short circuits occur. The combination of a high 400 A rating and a 600 V rating makes it suitable for feeding heavy-duty loads and motors, aligning with common three-phase electrical distribution practices.