NSC400K 3P 400A - Schneider - Products - Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

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NSC400K 3P 400A

The Schneider NSC400K 3P 400A is a Molded Case Circuit Breaker (MCCB) designed to offer overcurrent protection for electrical circuits, particularly in industrial and commercial power distribution systems.

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Parameters: Rated Current (In): 400A Poles: 3P (3-phase protection, ideal for industrial and commercial 3-phase circuits) Rated Voltage (Un): 415V AC (common voltage for 3-phase systems) Rated Frequency: 50/60Hz Breaking Capacity (Icu): 50kA (maximum fault current the breaker can interrupt without being damaged) Overload Protection: Yes, the MCCB provides thermal overload protection, ensuring it trips when the current exceeds the rated value for a prolonged period. Short Circuit Protection: Yes, magnetic short circuit protection for instant disconnection in case of a short circuit. Insulation Resistance: ≥ 100MΩ (at 500V DC) Ambient Temperature Range: -25°C to +70°C (suitable for harsh environments) Mechanical Durability: 20,000 operations Electrical Durability: 10,000 operations (under rated current and fault conditions) Auxiliary Contacts: Available for additional signaling and monitoring of the breaker’s status.