EZD 4P 400A - Schneider - Products - Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

EZD 4P 400A

The Schneider Electric EZD 4P 400A is a 4-pole (3-phase + neutral), 400A molded case circuit breaker from the EZD series. As a compact and cost-effective solution, it provides reliable overload and short-circuit protection for all live conductors in three-phase four-wire systems.

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Specifications Parameter Specification Product Series EZD Series (Compact MCCB) Model / Frame Size Typically EZD400E (E Frame, 400A max) or EZD400M (M Frame, 400A max). The specific frame is determined by the physical size and accessory compatibility. Number of Poles 4 Poles (3P + N) – All four poles are protected. Rated Current (In) 400 Amperes Frame Current (Iu max) 400 A Trip Unit Type Fixed Thermal-Magnetic (TM-D) or Adjustable Electronic (E). The 400A rating indicates a fixed TM unit or the maximum setting of an electronic unit within this frame. Breaking Capacity (Icu @ 400V AC) 50 kA, 65 kA, or higher (Depends on specific catalog code - standard or high-breaking version). Rated Operational Voltage (Ue) 400/415 V AC (3P+N systems) Rated Insulation Voltage (Ui) 800 V AC Short-Time Withstand Current (Icw) Typically 25-35 kA for 1s (model dependent) Connection Front connection, screw terminals suitable for large cables or busbars. Terminal Capacity Suitable for copper/aluminum cables or busbars (typical for up to 2x185mm² cables). Mounting Fixed mounting (panel or DIN rail adapter). Width (4P) Approximately 140 mm Mechanical Life 20,000 operations Electrical Life 8,500 operations at rated current Operating Temperature -25°C to +70°C Standards IEC/EN 60947-2, CCC, CE, RoHS