The Schneider EZC400H3400 is a molded case circuit breaker (MCCB) from the EasyPact EZC400H series, offering high-performance protection for electrical systems in commercial and industrial environments. With a 400 A rated current, thermal-magnetic (TMD) trip unit, and 3-pole configuration, it is ideal for managing and safeguarding medium-capacity circuits.
Technical Specifications
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Brand: Schneider Electric
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Series: EasyPact EZC400H
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Model: EZC400H3400
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Rated Current (In): 400 A
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Number of Poles: 3 poles (3P)
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Trip Unit Type: Thermal-Magnetic (TMD), fixed
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Connection Type: 3D (Direct terminal connection)
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Rated Operational Voltage (Ue): Up to 415 V AC
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Rated Insulation Voltage (Ui): 690 V AC
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Impulse Withstand Voltage (Uimp): 8 kV
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Breaking Capacity (Icu) at 415 V AC: 36 kA
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Standard Compliance: IEC 60947-2
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Mounting: Fixed
Key Features
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High Interrupting Capacity:
36 kA at 415 V AC, suitable for demanding environments -
Thermal-Magnetic Protection:
Built-in protection against overloads and short circuits -
Robust Design:
Engineered for reliable long-term performance in harsh conditions -
Direct Mounting (3D):
Simplifies installation with standard direct terminal connections -
Compact Size:
Saves valuable panel space without compromising performance
Typical Applications
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Industrial and commercial distribution boards
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Electrical panels in manufacturing plants
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HVAC systems and large motor controlGenerator protection and backup systems
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Power distribution in buildings and infrastructure
The EZC400H3400 delivers dependable, cost-efficient protection for systems requiring up to 400 A. With Schneider Electric’s trusted engineering and robust safety features, it’s an excellent choice for mid- to high-range current protection in various applications





