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EZD400E 3P 320A

The Schneider Electric EasyPact EZD400E 3‑Pole 320 A Molded Case Circuit Breaker (MCCB) is a robust low‑voltage protective switching device designed for industrial and commercial AC power distribution.

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Specifications Specification Details / Typical Value Product Name / Model EasyPact EZD400E Series 3P MCCB Device Type Molded Case Circuit Breaker (MCCB) Number of Poles 3‑pole (3P) Rated Current (In) 320 A @ 40 °C Trip Unit Type Thermal‑magnetic (TMD) Protection Functions Overload (thermal) and Instantaneous short‑circuit (magnetic) Rated Operational Voltage (Ue) 440 V AC, 50/60 Hz Rated Insulation Voltage (Ui) 690 V AC (EN/IEC 60947‑2) Rated Impulse Withstand Voltage (Uimp) 6 kV (EN/IEC 60947‑2) Breaking Capacity (Icu) • 40 kA @ 220‑240 V AC • 36 kA @ 380–440 V AC (all per EN/IEC 60947‑2) Service Breaking Capacity (Ics) ~40 kA @ 220‑240 V AC; ~36 kA @ 380–440 V AC Utilisation Category AC‑23A / Category A Control / Operation Manual toggle handle Mounting Mode Fixed panel / backplate support Standards Compliance EN/IEC 60947‑1 / EN/IEC 60947‑2 Typical Dimensions Height ~255 mm × Width ~140 mm × Depth ~110 mm Mechanical Durability ~10,000 operations Electrical Durability ~4,000 cycles at rated conditions