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EZD400E，3P 350A

The Schneider Electric EZD400E is a low‑voltage molded case circuit breaker (MCCB) designed for reliable protection of electrical circuits in industrial, commercial, and infrastructure applications. This 3‑pole, 350 A breaker provides dependable overload and short‑circuit protection, combined with manual switching capability. It is suitable for installation in distribution boards and power panels as a main protective device or as feeder protection. The EZD series is engineered for ease of use, high safety performance, and long operational life.

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Specifications General Product Family: EZD series Device Type: Molded case circuit breaker (MCCB) Model: EZD400E Number of Poles: 3‑pole Application: Protection and isolation in low‑voltage power distribution systems Control Type: Manual ON/OFF switching Standards Compliance: IEC 60947‑2 Electrical Ratings Rated Current (In): 350 A Rated Operational Voltage (Ue): Up to 690 V AC, 50/60 Hz Rated Insulation Voltage (Ui): 1000 V AC Rated Impulse Withstand Voltage (Uimp): ~8–12 kV Utilisation Category: AC‑21A / AC‑22A / AC‑23A (depending on application) Tripping Characteristics: Thermal‑magnetic protection Breaking Capacity: Designed for industrial fault currents (range consistent with EZD series ratings) Protection Functions Overload Protection: Thermal trip element Short‑Circuit Protection: Magnetic trip element Adjustable Trip Settings: Depending on variant and accessories Mechanical & Operational Operating Mechanism: Manual toggle or handle Mechanical Durability: High operational cycle life Electrical Endurance: Designed for repeated switching and fault interruption Connection Terminals: Top and bottom load/lug connections Environmental Network Frequency: 50/60 Hz Installation Environment: Indoor switchboards, distribution panels Pollution Degree: Suitable for industrial use Operating Temperature Range: Standard industrial ambient range