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.
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