The Eaton HKD330WC0512 Molded Case Circuit Breaker (MCCB) is a 3-pole device rated for 300 A and 600 V, designed for 50/60 Hz 3‑phase electrical systems. It provides overcurrent protection for feeders and distribution circuits in industrial and commercial installations, helping prevent damage from overloads or short circuits. This model enables reliable protection in panelboards or switchgear where a compact, rugged MCCB is required.
