Eaton HKDDC3300A1301S4201Z01 Molded Case Circuit Breaker

Eaton HKDDC3300A1301S4201Z01 is a 3-pole molded case circuit breaker rated for 300 amps and 600 volts, designed to protect three-phase electrical circuits from overloads and short circuits in commercial and industrial environments. As a molded case device, it encloses the protective mechanism in a robust housing with standard mounting compatibility for many Eaton protection products, making it suitable for integration into industrial control panels and commercial distribution boards. The exact part number HKDDC3300A1301S4201Z01 uniquely identifies this Eaton MCCB within its protection lineup, enabling precise ordering, replacement, compatibility verification for electrical panels, and catalog cross-reference during system upgrades. With 3-phase capability and a maximum operating voltage of 600 V, this breaker supports circuits in panelboards and feeders designed for up to 600 volts, offering reliable overcurrent protection for feeders, motors, and control circuits in balanced three-phase service.