Eaton HFD4030L Molded Case Circuit Breaker MCCB

Eaton HFD4030L is a four-pole molded case circuit breaker (MCCB) engineered for three‑phase electrical circuits, with a precise current rating of 30 A and a maximum voltage rating of 600 V. It is designed for operation at standard industrial power frequencies of 50 Hz or 60 Hz, accommodating both global 50/60 Hz power networks. The device is designated HFD with the frame label “F Fr,” placing it within Eaton’s HFD family of molded case breakers and signaling its compatible frame configuration. In use, this MCCB provides overcurrent protection by interrupting current during fault conditions while staying within its 30 A and 600 V specifications, offering a compact, reliable means to safeguard three‑phase circuits and connected equipment in appropriate installations.